{"id":68259,"date":"2019-01-03T14:13:10","date_gmt":"2019-01-03T06:13:10","guid":{"rendered":"http:\/\/www.xiaoyebailong.com\/?p=68259"},"modified":"2019-01-17T21:22:21","modified_gmt":"2019-01-17T13:22:21","slug":"raid-%e6%8a%80%e6%9c%af%e5%85%a8%e8%a7%a3-raid0%e3%80%81raid1%e3%80%81raid5%e3%80%81raid100","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2019\/01\/03\/68259.htm","title":{"rendered":"RAID \u6280\u672f\u5168\u89e3 \u2013 RAID0\u3001RAID1\u3001RAID5\u3001RAID100\u2026\u2026"},"content":{"rendered":"\n

RAID \u6280\u672f\u76f8\u4fe1\u5927\u5bb6\u90fd\u6709\u63a5\u89e6\u8fc7\uff0c\u5c24\u5176\u662f\u670d\u52a1\u5668\u8fd0\u7ef4\u4eba\u5458\uff0cRAID \u6982\u5ff5\u5f88\u591a\uff0c\u6709\u65f6\u5019\u4f1a\u6982\u5ff5\u6df7\u6dc6\u3002\u8fd9\u7bc7\u6587\u7ae0\u4e3a\u7f51\u7edc\u8f6c\u8f7d\uff0c\u5199\u5f97\u76f8\u5f53\u4e0d\u9519\uff0c\u5b83\u5bf9 RAID \u6280\u672f\u7684\u6982\u5ff5\u7279\u5f81\u3001\u57fa\u672c\u539f\u7406\u3001\u5173\u952e\u6280\u672f\u3001\u5404\u79cd\u7b49\u7ea7\u548c\u53d1\u5c55\u73b0\u72b6\u8fdb\u884c\u4e86\u5168\u9762\u7684\u9610\u8ff0\uff0c\u5e76\u4e3a\u7528\u6237\u5982\u4f55\u8fdb\u884c\u5e94\u7528\u9009\u62e9\u63d0\u4f9b\u4e86\u57fa\u672c\u539f\u5219\uff0c\u5bf9\u4e8e\u521d\u5b66\u8005\u5e94\u8be5\u6709\u5f88\u5927\u7684\u5e2e\u52a9\u3002<\/p>\n\n\n\n

\u4e00\u3001RAID \u6982\u8ff0<\/h3>\n\n\n\n

\u3000\u30001988 \u5e74\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u7684 D. A. Patterson \u6559\u6388\u7b49\u9996\u6b21\u5728\u8bba\u6587 \u201cA Case of Redundant Array of Inexpensive Disks\u201d \u4e2d\u63d0\u51fa\u4e86 RAID \u6982\u5ff5 [1] \uff0c\u5373\u5ec9\u4ef7\u5197\u4f59\u78c1\u76d8\u9635\u5217\uff08 Redundant Array of Inexpensive Disks \uff09\u3002\u7531\u4e8e\u5f53\u65f6\u5927\u5bb9\u91cf\u78c1\u76d8\u6bd4\u8f83\u6602\u8d35\uff0c RAID \u7684\u57fa\u672c\u601d\u60f3\u662f\u5c06\u591a\u4e2a\u5bb9\u91cf\u8f83\u5c0f\u3001\u76f8\u5bf9\u5ec9\u4ef7\u7684\u78c1\u76d8\u8fdb\u884c\u6709\u673a\u7ec4\u5408\uff0c\u4ece\u800c\u4ee5\u8f83\u4f4e\u7684\u6210\u672c\u83b7\u5f97\u4e0e\u6602\u8d35\u5927\u5bb9\u91cf\u78c1\u76d8\u76f8\u5f53\u7684\u5bb9\u91cf\u3001\u6027\u80fd\u3001\u53ef\u9760\u6027\u3002\u968f\u7740\u78c1\u76d8\u6210\u672c\u548c\u4ef7\u683c\u7684\u4e0d\u65ad\u964d\u4f4e\uff0c RAID \u53ef\u4ee5\u4f7f\u7528\u5927\u90e8\u5206\u7684\u78c1\u76d8\uff0c \u201c\u5ec9\u4ef7\u201d \u5df2\u7ecf\u6beb\u65e0\u610f\u4e49\u3002\u56e0\u6b64\uff0c RAID \u54a8\u8be2\u59d4\u5458\u4f1a\uff08 RAID Advisory Board, RAB \uff09\u51b3\u5b9a\u7528 \u201c \u72ec\u7acb \u201d \u66ff\u4ee3 \u201c \u5ec9\u4ef7 \u201d \uff0c\u4e8e\u65f6 RAID \u53d8\u6210\u4e86\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217\uff08 Redundant Array of Independent Disks \uff09\u3002\u4f46\u8fd9\u4ec5\u4ec5\u662f\u540d\u79f0\u7684\u53d8\u5316\uff0c\u5b9e\u8d28\u5185\u5bb9\u6ca1\u6709\u6539\u53d8\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u8fd9\u79cd\u8bbe\u8ba1\u601d\u60f3\u5f88\u5feb\u88ab\u4e1a\u754c\u63a5\u7eb3\uff0c RAID \u6280\u672f\u4f5c\u4e3a\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u7684\u5b58\u50a8\u6280\u672f\uff0c\u5df2\u7ecf\u5f97\u5230\u4e86\u975e\u5e38\u5e7f\u6cdb\u7684\u5e94\u7528\u3002 RAID \u4e3b\u8981\u5229\u7528\u6570\u636e\u6761\u5e26\u3001\u955c\u50cf\u548c\u6570\u636e\u6821\u9a8c\u6280\u672f\u6765\u83b7\u53d6\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u6027\u3001\u5bb9\u9519\u80fd\u529b\u548c\u6269\u5c55\u6027\uff0c\u6839\u636e\u8fd0\u7528\u6216\u7ec4\u5408\u8fd0\u7528\u8fd9\u4e09\u79cd\u6280\u672f\u7684\u7b56\u7565\u548c\u67b6\u6784\uff0c\u53ef\u4ee5\u628a RAID \u5206\u4e3a\u4e0d\u540c\u7684\u7b49\u7ea7\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u6570\u636e\u5e94\u7528\u7684\u9700\u6c42\u3002 D. A. Patterson \u7b49\u7684\u8bba\u6587\u4e2d\u5b9a\u4e49\u4e86 RAID1 ~ RAID5 \u539f\u59cb RAID \u7b49\u7ea7\uff0c 1988 \u5e74\u4ee5\u6765\u53c8\u6269\u5c55\u4e86 RAID0 \u548c RAID6 \u3002\u8fd1\u5e74\u6765\uff0c\u5b58\u50a8\u5382\u5546\u4e0d\u65ad\u63a8\u51fa\u8bf8\u5982 RAID7 \u3001 RAID10\/01 \u3001 RAID50 \u3001 RAID53 \u3001 RAID100 \u7b49 RAID \u7b49\u7ea7\uff0c\u4f46\u8fd9\u4e9b\u5e76\u65e0\u7edf\u4e00\u7684\u6807\u51c6\u3002\u76ee\u524d\u4e1a\u754c\u516c\u8ba4\u7684\u6807\u51c6\u662f RAID0 ~ RAID5 \uff0c\u9664 RAID2 \u5916\u7684\u56db\u4e2a\u7b49\u7ea7\u88ab\u5b9a\u4e3a\u5de5\u4e1a\u6807\u51c6\uff0c\u800c\u5728\u5b9e\u9645\u5e94\u7528\u9886\u57df\u4e2d\u4f7f\u7528\u6700\u591a\u7684 RAID \u7b49\u7ea7\u662f RAID0 \u3001 RAID1 \u3001 RAID3 \u3001 RAID5 \u3001 RAID6 \u548c RAID10\u3002<\/p>\n\n\n\n

\u3000\u3000\u4ece\u5b9e\u73b0\u89d2\u5ea6\u770b\uff0c RAID \u4e3b\u8981\u5206\u4e3a\u8f6f RAID\u3001\u786c RAID \u4ee5\u53ca\u8f6f\u786c\u6df7\u5408 RAID \u4e09\u79cd\u3002\u8f6f RAID \u6240\u6709\u529f\u80fd\u5747\u6709\u64cd\u4f5c\u7cfb\u7edf\u548c CPU \u6765\u5b8c\u6210\uff0c\u6ca1\u6709\u72ec\u7acb\u7684 RAID \u63a7\u5236 \/ \u5904\u7406\u82af\u7247\u548c I\/O \u5904\u7406\u82af\u7247\uff0c\u6548\u7387\u81ea\u7136\u6700\u4f4e\u3002\u786c RAID \u914d\u5907\u4e86\u4e13\u95e8\u7684 RAID \u63a7\u5236 \/ \u5904\u7406\u82af\u7247\u548c I\/O \u5904\u7406\u82af\u7247\u4ee5\u53ca\u9635\u5217\u7f13\u51b2\uff0c\u4e0d\u5360\u7528 CPU \u8d44\u6e90\uff0c\u4f46\u6210\u672c\u5f88\u9ad8\u3002\u8f6f\u786c\u6df7\u5408 RAID \u5177\u5907 RAID \u63a7\u5236 \/ \u5904\u7406\u82af\u7247\uff0c\u4f46\u7f3a\u4e4f I\/O \u5904\u7406\u82af\u7247\uff0c\u9700\u8981 CPU \u548c\u9a71\u52a8\u7a0b\u5e8f\u6765\u5b8c\u6210\uff0c\u6027\u80fd\u548c\u6210\u672c \u5728\u8f6f RAID \u548c\u786c RAID \u4e4b\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u6bcf\u4e00\u4e2a\u7b49\u7ea7\u4ee3\u8868\u4e00\u79cd\u5b9e\u73b0\u65b9\u6cd5\u548c\u6280\u672f\uff0c\u7b49\u7ea7\u4e4b\u95f4\u5e76\u65e0\u9ad8\u4f4e\u4e4b\u5206\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e94\u5f53\u6839\u636e\u7528\u6237\u7684\u6570\u636e\u5e94\u7528\u7279\u70b9\uff0c\u7efc\u5408\u8003\u8651\u53ef\u7528\u6027\u3001\u6027\u80fd\u548c\u6210\u672c\u6765\u9009\u62e9\u5408\u9002\u7684 RAID \u7b49\u7ea7\uff0c\u4ee5\u53ca\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u57fa\u672c\u539f\u7406<\/h3>\n\n\n\n

\u3000\u3000RAID \uff08 Redundant Array of Independent Disks \uff09\u5373\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217\uff0c\u901a\u5e38\u7b80\u79f0\u4e3a\u78c1\u76d8\u9635\u5217\u3002\u7b80\u5355\u5730\u8bf4\uff0c RAID \u662f\u7531\u591a\u4e2a\u72ec\u7acb\u7684\u9ad8\u6027\u80fd\u78c1\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684\u78c1\u76d8\u5b50\u7cfb\u7edf\uff0c\u4ece\u800c\u63d0\u4f9b\u6bd4\u5355\u4e2a\u78c1\u76d8\u66f4\u9ad8\u7684\u5b58\u50a8\u6027\u80fd\u548c\u6570\u636e\u5197\u4f59\u7684\u6280\u672f\u3002 RAID \u662f\u4e00\u7c7b\u591a\u78c1\u76d8\u7ba1\u7406\u6280\u672f\uff0c\u5176\u5411\u4e3b\u673a\u73af\u5883\u63d0\u4f9b\u4e86\u6210\u672c\u9002\u4e2d\u3001\u6570\u636e\u53ef\u9760\u6027\u9ad8\u7684\u9ad8\u6027\u80fd\u5b58\u50a8\u3002 SNIA \u5bf9 RAID \u7684\u5b9a\u4e49\u662f [2] \uff1a\u4e00\u79cd\u78c1\u76d8\u9635\u5217\uff0c\u90e8\u5206\u7269\u7406\u5b58\u50a8\u7a7a\u95f4\u7528\u6765\u8bb0\u5f55\u4fdd\u5b58\u5728\u5269\u4f59\u7a7a\u95f4\u4e0a\u7684\u7528\u6237\u6570\u636e\u7684\u5197\u4f59\u4fe1\u606f\u3002\u5f53\u5176\u4e2d\u67d0\u4e00\u4e2a\u78c1\u76d8\u6216\u8bbf\u95ee\u8def\u5f84\u53d1\u751f\u6545\u969c\u65f6\uff0c\u5197\u4f59\u4fe1\u606f\u53ef\u7528\u6765\u91cd\u5efa\u7528\u6237\u6570\u636e\u3002\u78c1\u76d8\u6761\u5e26\u5316\u867d\u7136\u4e0e RAID \u5b9a\u4e49\u4e0d\u7b26\uff0c\u901a\u5e38\u8fd8\u662f\u79f0\u4e3a RAID \uff08\u5373 RAID0 \uff09\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u7684\u521d\u8877\u662f\u4e3a\u5927\u578b\u670d\u52a1\u5668\u63d0\u4f9b\u9ad8\u7aef\u7684\u5b58\u50a8\u529f\u80fd\u548c\u5197\u4f59\u7684\u6570\u636e\u5b89\u5168\u3002\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\uff0c RAID \u88ab\u770b\u4f5c\u662f\u7531\u4e24\u4e2a\u6216\u66f4\u591a\u78c1\u76d8\u7ec4\u6210\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u901a\u8fc7\u5e76\u53d1\u5730\u5728\u591a\u4e2a\u78c1\u76d8\u4e0a\u8bfb\u5199\u6570\u636e\u6765\u63d0\u9ad8\u5b58\u50a8\u7cfb\u7edf\u7684 I\/O \u6027\u80fd\u3002\u5927\u591a\u6570 RAID \u7b49\u7ea7\u5177\u6709\u5b8c\u5907\u7684\u6570\u636e\u6821\u9a8c\u3001\u7ea0\u6b63\u63aa\u65bd\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5bb9\u9519\u6027\uff0c\u751a\u81f3\u955c\u50cf\u65b9\u5f0f\uff0c\u5927\u5927\u589e\u5f3a\u7cfb\u7edf\u7684\u53ef\u9760\u6027\uff0c Redundant \u4e5f\u7531\u6b64\u800c\u6765\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u91cc\u8981\u63d0\u4e00\u4e0b JBOD \uff08 Just a Bunch of Disks \uff09\u3002\u6700\u521d JBOD \u7528\u6765\u8868\u793a\u4e00\u4e2a\u6ca1\u6709\u63a7\u5236\u8f6f\u4ef6\u63d0\u4f9b\u534f\u8c03\u63a7\u5236\u7684\u78c1\u76d8\u96c6\u5408\uff0c\u8fd9\u662f RAID \u533a\u522b\u4e0e JBOD \u7684\u4e3b\u8981\u56e0\u7d20\u3002\u76ee\u524d JBOD \u5e38\u6307\u78c1\u76d8\u67dc\uff0c\u800c\u4e0d\u8bba\u5176\u662f\u5426\u63d0\u4f9b RAID \u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u7684\u4e24\u4e2a\u5173\u952e\u76ee\u6807\u662f\u63d0\u9ad8\u6570\u636e\u53ef\u9760\u6027\u548c I\/O \u6027\u80fd\u3002\u78c1\u76d8\u9635\u5217\u4e2d\uff0c\u6570\u636e\u5206\u6563\u5728\u591a\u4e2a\u78c1\u76d8\u4e2d\uff0c\u7136\u800c\u5bf9\u4e8e\u8ba1\u7b97\u673a\u7cfb\u7edf\u6765\u8bf4\uff0c\u5c31\u50cf\u4e00\u4e2a\u5355\u72ec\u7684\u78c1\u76d8\u3002\u901a\u8fc7\u628a\u76f8\u540c\u6570\u636e\u540c\u65f6\u5199\u5165\u5230\u591a\u5757\u78c1\u76d8\uff08\u5178\u578b\u5730\u5982\u955c\u50cf\uff09\uff0c\u6216\u8005\u5c06\u8ba1\u7b97\u7684\u6821\u9a8c\u6570\u636e\u5199\u5165\u9635\u5217\u4e2d\u6765\u83b7\u5f97\u5197\u4f59\u80fd\u529b\uff0c\u5f53\u5355\u5757\u78c1\u76d8\u51fa\u73b0\u6545\u969c\u65f6\u53ef\u4ee5\u4fdd\u8bc1\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u6709\u4e9b RAID \u7b49\u7ea7\u5141\u8bb8\u66f4\u591a\u5730 \u78c1\u76d8\u540c\u65f6\u53d1\u751f\u6545\u969c\uff0c\u6bd4\u5982 RAID6 \uff0c\u53ef\u4ee5\u662f\u4e24\u5757\u78c1\u76d8\u540c\u65f6\u635f\u574f\u3002\u5728\u8fd9\u6837\u7684\u5197\u4f59\u673a\u5236\u4e0b\uff0c\u53ef\u4ee5\u7528\u65b0\u78c1\u76d8\u66ff\u6362\u6545\u969c\u78c1\u76d8\uff0c RAID \u4f1a\u81ea\u52a8\u6839\u636e\u5269\u4f59\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u548c\u6821\u9a8c\u6570\u636e\u91cd\u5efa\u4e22\u5931\u7684\u6570\u636e\uff0c\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u6570\u636e\u5206\u6563\u4fdd\u5b58\u5728 RAID \u4e2d\u7684\u591a\u4e2a\u4e0d\u540c\u78c1\u76d8\u4e0a\uff0c\u5e76\u53d1\u6570\u636e\u8bfb\u5199\u8981\u5927\u5927\u4f18\u4e8e\u5355\u4e2a\u78c1\u76d8\uff0c\u56e0\u6b64\u53ef\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u805a\u5408 I\/O \u5e26\u5bbd\u3002\u5f53\u7136\uff0c\u78c1\u76d8\u9635\u5217\u4f1a\u51cf\u5c11\u5168\u4f53\u78c1\u76d8\u7684\u603b\u53ef\u7528\u5b58\u50a8\u7a7a\u95f4\uff0c\u727a\u7272\u7a7a\u95f4\u6362\u53d6\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002\u6bd4\u5982\uff0c RAID1 \u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u4ec5\u6709 50% \uff0c RAID5 \u4f1a\u635f\u5931\u5176\u4e2d\u4e00\u4e2a\u78c1\u76d8\u7684\u5b58\u50a8\u5bb9\u91cf\uff0c\u7a7a\u95f4\u5229\u7528\u7387\u4e3a (n-1)\/n \u3002<\/p>\n\n\n\n

\u3000\u3000\u78c1\u76d8\u9635\u5217\u53ef\u4ee5\u5728\u90e8\u5206\u78c1\u76d8\uff08\u5355\u5757\u6216\u591a\u5757\uff0c\u6839\u636e\u5b9e\u73b0\u800c\u8bba\uff09\u635f\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u4ecd\u80fd\u4fdd\u8bc1\u7cfb\u7edf\u4e0d\u4e2d\u65ad\u5730\u8fde\u7eed\u8fd0\u884c\u3002\u5728\u91cd\u5efa\u6545\u969c\u78c1\u76d8\u6570\u636e\u81f3\u65b0\u78c1\u76d8\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7cfb\u7edf\u53ef\u4ee5\u7ee7\u7eed\u6b63\u5e38\u8fd0\u884c\uff0c\u4f46\u662f\u6027\u80fd\u65b9\u9762\u4f1a\u6709\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7684\u964d\u4f4e\u3002\u4e00\u4e9b\u78c1\u76d8\u9635\u5217\u5728\u6dfb\u52a0\u6216\u5220\u9664\u78c1\u76d8\u65f6\u5fc5\u987b\u505c\u673a\uff0c\u800c\u6709\u4e9b\u5219\u652f\u6301\u70ed\u4ea4\u6362 \uff08 Hot Swapping \uff09\uff0c\u5141\u8bb8\u4e0d\u505c\u673a\u4e0b\u66ff\u6362\u78c1\u76d8\u9a71\u52a8\u5668\u3002\u8fd9\u79cd\u9ad8\u7aef\u78c1\u76d8\u9635\u5217\u4e3b\u8981\u7528\u4e8e\u8981\u6c42\u9ad8\u53ef\u80fd\u6027\u7684\u5e94\u7528\u7cfb\u7edf\uff0c\u7cfb\u7edf\u4e0d\u80fd\u505c\u673a\u6216\u5c3d\u53ef\u80fd\u5c11\u7684\u505c\u673a\u65f6\u95f4\u3002\u4e00\u822c\u6765\u8bf4\uff0c RAID \u4e0d\u53ef\u4f5c\u4e3a\u6570\u636e\u5907\u4efd\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u5b83\u5bf9\u975e\u78c1\u76d8\u6545\u969c\u7b49\u9020\u6210\u7684\u6570\u636e\u4e22\u5931\u65e0\u80fd\u4e3a\u529b\uff0c\u6bd4\u5982\u75c5\u6bd2<\/a>\u3001\u4eba\u4e3a\u7834\u574f\u3001\u610f\u5916\u5220\u9664\u7b49\u60c5\u5f62\u3002\u6b64\u65f6\u7684\u6570\u636e\u4e22\u5931\u662f\u76f8\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u5377\u7ba1\u7406\u5668\u6216\u8005\u5e94\u7528\u7cfb\u7edf\u6765\u8bf4\u7684\uff0c\u5bf9\u4e8e RAID \u7cfb\u7edf\u6765\u8eab\uff0c\u6570\u636e\u90fd\u662f\u5b8c\u597d\u7684\uff0c\u6ca1\u6709\u53d1\u751f\u4e22\u5931\u3002\u6240\u4ee5\uff0c\u6570\u636e\u5907\u4efd\u3001\u707e \u5907\u7b49\u6570\u636e\u4fdd\u62a4\u63aa\u65bd\u662f\u975e\u5e38\u5fc5\u8981\u7684\uff0c\u4e0e RAID \u76f8\u8f85\u76f8\u6210\uff0c\u4fdd\u62a4\u6570\u636e\u5728\u4e0d\u540c\u5c42\u6b21\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u53d1\u751f\u6570\u636e\u4e22\u5931\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u4e2d\u4e3b\u8981\u6709\u4e09\u4e2a\u5173\u952e\u6982\u5ff5\u548c\u6280\u672f\uff1a\u955c\u50cf\uff08 Mirroring \uff09\u3001\u6570\u636e\u6761\u5e26\uff08 Data Stripping \uff09\u548c\u6570\u636e\u6821\u9a8c\uff08 Data parity \uff09 [3][4][5] \u3002\u955c\u50cf\uff0c\u5c06\u6570\u636e\u590d\u5236\u5230\u591a\u4e2a\u78c1\u76d8\uff0c\u4e00\u65b9\u9762\u53ef\u4ee5\u63d0\u9ad8\u53ef\u9760\u6027\uff0c\u53e6\u4e00\u65b9\u9762\u53ef\u5e76\u53d1\u4ece\u4e24\u4e2a\u6216\u591a\u4e2a\u526f\u672c\u8bfb\u53d6\u6570\u636e\u6765\u63d0\u9ad8\u8bfb\u6027\u80fd\u3002\u663e\u800c\u6613\u89c1\uff0c\u955c\u50cf\u7684\u5199\u6027\u80fd\u8981\u7a0d\u4f4e\uff0c \u786e\u4fdd\u6570\u636e\u6b63\u786e\u5730\u5199\u5230\u591a\u4e2a\u78c1\u76d8\u9700\u8981\u66f4\u591a\u7684\u65f6\u95f4\u6d88\u8017\u3002\u6570\u636e\u6761\u5e26\uff0c\u5c06\u6570\u636e\u5206\u7247\u4fdd\u5b58\u5728\u591a\u4e2a\u4e0d\u540c\u7684\u78c1\u76d8\uff0c\u591a\u4e2a\u6570\u636e\u5206\u7247\u5171\u540c\u7ec4\u6210\u4e00\u4e2a\u5b8c\u6574\u6570\u636e\u526f\u672c\uff0c\u8fd9\u4e0e\u955c\u50cf\u7684\u591a\u4e2a\u526f\u672c\u662f\u4e0d\u540c\u7684\uff0c\u5b83\u901a\u5e38\u7528\u4e8e\u6027\u80fd\u8003\u8651\u3002\u6570\u636e\u6761\u5e26\u5177\u6709\u66f4\u9ad8\u7684\u5e76\u53d1\u7c92\u5ea6\uff0c\u5f53\u8bbf\u95ee\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u540c\u65f6\u5bf9\u4f4d\u4e8e\u4e0d\u540c\u78c1\u76d8\u4e0a\u6570\u636e\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\uff0c \u4ece\u800c\u83b7\u5f97\u975e\u5e38\u53ef\u89c2\u7684 I\/O \u6027\u80fd\u63d0\u5347 \u3002\u6570\u636e\u6821\u9a8c\uff0c\u5229\u7528\u5197\u4f59\u6570\u636e\u8fdb\u884c\u6570\u636e\u9519\u8bef\u68c0\u6d4b\u548c\u4fee\u590d\uff0c\u5197\u4f59\u6570\u636e\u901a\u5e38\u91c7\u7528\u6d77\u660e\u7801\u3001\u5f02\u6216\u64cd\u4f5c\u7b49\u7b97\u6cd5\u6765\u8ba1\u7b97\u83b7\u5f97\u3002\u5229\u7528\u6821\u9a8c\u529f\u80fd\uff0c\u53ef\u4ee5\u5f88\u5927\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u78c1\u76d8\u9635\u5217\u7684\u53ef\u9760\u6027\u3001\u9c81\u68d2\u6027\u548c\u5bb9\u9519\u80fd\u529b\u3002\u4e0d\u8fc7\uff0c\u6570\u636e\u6821\u9a8c\u9700\u8981\u4ece\u591a\u5904\u8bfb\u53d6\u6570\u636e\u5e76\u8fdb\u884c\u8ba1\u7b97\u548c\u5bf9\u6bd4\uff0c\u4f1a\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u3002 \u4e0d\u540c\u7b49\u7ea7\u7684 RAID \u91c7\u7528\u4e00\u4e2a\u6216\u591a\u4e2a\u4ee5\u4e0a\u7684\u4e09\u79cd\u6280\u672f\uff0c\u6765\u83b7\u5f97\u4e0d\u540c\u7684\u6570\u636e\u53ef\u9760\u6027\u3001\u53ef\u7528\u6027\u548c I\/O \u6027\u80fd\u3002\u81f3\u4e8e\u8bbe\u8ba1\u4f55\u79cd RAID \uff08\u751a\u81f3\u65b0\u7684\u7b49\u7ea7\u6216\u7c7b\u578b\uff09\u6216\u91c7\u7528\u4f55\u79cd\u6a21\u5f0f\u7684 RAID \uff0c\u9700\u8981\u5728\u6df1\u5165\u7406\u89e3\u7cfb\u7edf\u9700\u6c42\u7684\u524d\u63d0\u4e0b\u8fdb\u884c\u5408\u7406\u9009\u62e9\uff0c\u7efc\u5408\u8bc4\u4f30\u53ef\u9760\u6027\u3001\u6027\u80fd\u548c\u6210\u672c\u6765\u8fdb\u884c\u6298\u4e2d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

\u3000\u3000RAID \u601d\u60f3\u4ece\u63d0\u51fa\u540e\u5c31\u5e7f\u6cdb\u88ab\u4e1a\u754c\u6240\u63a5\u7eb3\uff0c\u5b58\u50a8\u5de5\u4e1a\u754c\u6295\u5165\u4e86\u5927\u91cf\u7684\u65f6\u95f4\u548c\u8d22\u529b\u6765\u7814\u7a76\u548c\u5f00\u53d1\u76f8\u5173\u4ea7\u54c1\u3002\u800c\u4e14\uff0c\u968f\u7740\u5904\u7406\u5668\u3001\u5185\u5b58<\/a>\u3001\u8ba1\u7b97\u673a\u63a5\u53e3\u7b49\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c RAID \u4e0d\u65ad\u5730\u53d1\u5c55\u548c\u9769\u65b0\uff0c\u5728\u8ba1\u7b97\u673a\u5b58\u50a8\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u4ece\u9ad8\u7aef\u7cfb\u7edf\u9010\u6e10\u5ef6\u4f38\u5230\u666e\u901a\u7684\u4e2d\u4f4e\u7aef\u7cfb\u7edf\u3002 RAID \u6280\u672f\u5982\u6b64\u6d41\u884c\uff0c\u6e90\u4e8e\u5176\u5177\u6709\u663e\u8457\u7684\u7279\u5f81\u548c\u4f18\u52bf\uff0c\u57fa\u672c\u53ef\u4ee5\u6ee1\u8db3\u5927\u90e8\u5206\u7684\u6570\u636e\u5b58\u50a8\u9700\u6c42\u3002\u603b\u4f53\u8bf4\u6765\uff0c RAID \u4e3b\u8981\u4f18\u52bf\u6709\u5982\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

(1) \u5927\u5bb9\u91cf<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8fd9\u662f RAID \u7684\u4e00\u4e2a\u663e\u7136\u4f18\u52bf\uff0c\u5b83\u6269\u5927\u4e86\u78c1\u76d8\u7684\u5bb9\u91cf\uff0c\u7531\u591a\u4e2a\u78c1\u76d8\u7ec4\u6210\u7684 RAID \u7cfb\u7edf\u5177\u6709\u6d77\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u73b0\u5728\u5355\u4e2a\u78c1\u76d8\u7684\u5bb9\u91cf\u5c31\u53ef\u4ee5\u5230 1TB \u4ee5\u4e0a\uff0c\u8fd9\u6837 RAID \u7684\u5b58\u50a8\u5bb9\u91cf\u5c31\u53ef\u4ee5\u8fbe\u5230 PB \u7ea7\uff0c\u5927\u591a\u6570\u7684\u5b58\u50a8\u9700\u6c42\u90fd\u53ef\u4ee5\u6ee1\u8db3\u3002\u4e00\u822c\u6765\u8bf4\uff0c RAID \u53ef\u7528\u5bb9\u91cf\u8981\u5c0f\u4e8e\u6240\u6709\u6210\u5458\u78c1\u76d8\u7684\u603b\u5bb9\u91cf\u3002\u4e0d\u540c\u7b49\u7ea7\u7684 RAID \u7b97\u6cd5\u9700\u8981\u4e00\u5b9a\u7684\u5197\u4f59\u5f00\u9500\uff0c\u5177\u4f53\u5bb9\u91cf\u5f00\u9500\u4e0e\u91c7\u7528\u7b97\u6cd5\u76f8\u5173\u3002\u5982\u679c\u5df2\u77e5 RAID \u7b97\u6cd5\u548c\u5bb9\u91cf\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa RAID \u7684\u53ef\u7528\u5bb9\u91cf\u3002\u901a\u5e38\uff0c RAID \u5bb9\u91cf\u5229\u7528\u7387\u5728 50% ~ 90% \u4e4b\u95f4\u3002<\/p>\n\n\n\n

(2) \u9ad8\u6027\u80fd<\/strong><\/p>\n\n\n\n

\u3000\u3000 RAID \u7684\u9ad8\u6027\u80fd\u53d7\u76ca\u4e8e\u6570\u636e\u6761\u5e26\u5316\u6280\u672f\u3002\u5355\u4e2a\u78c1\u76d8\u7684 I\/O \u6027\u80fd\u53d7\u5230\u63a5\u53e3\u3001\u5e26\u5bbd\u7b49\u8ba1\u7b97\u673a\u6280\u672f\u7684\u9650\u5236\uff0c\u6027\u80fd\u5f80\u5f80\u5f88\u6709 \u9650\uff0c\u5bb9\u6613\u6210\u4e3a\u7cfb\u7edf\u6027\u80fd\u7684\u74f6\u9888\u3002\u901a\u8fc7\u6570\u636e\u6761\u5e26\u5316\uff0c RAID \u5c06\u6570\u636e I\/O \u5206\u6563\u5230\u5404\u4e2a\u6210\u5458\u78c1\u76d8\u4e0a\uff0c\u4ece\u800c\u83b7\u5f97\u6bd4\u5355\u4e2a\u78c1\u76d8\u6210\u500d\u589e\u957f\u7684\u805a\u5408 I\/O \u6027\u80fd\u3002<\/p>\n\n\n\n

(3) \u53ef\u9760\u6027<\/strong><\/p>\n\n\n\n

\u3000\u3000\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u662f RAID \u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7279\u5f81\u3002\u4ece\u7406\u8bba\u4e0a\u8bb2\uff0c\u7531\u591a\u4e2a\u78c1\u76d8\u7ec4\u6210\u7684 RAID \u7cfb\u7edf\u5728\u53ef\u9760\u6027\u65b9\u9762\u5e94\u8be5\u6bd4\u5355\u4e2a\u78c1\u76d8\u8981\u5dee\u3002\u8fd9\u91cc\u6709\u4e2a\u9690\u542b\u5047\u5b9a\uff1a\u5355\u4e2a\u78c1\u76d8\u6545\u969c\u5c06\u5bfc\u81f4\u6574\u4e2a RAID \u4e0d\u53ef\u7528\u3002 RAID \u91c7\u7528\u955c\u50cf\u548c\u6570\u636e\u6821\u9a8c\u7b49\u6570\u636e\u5197\u4f59\u6280\u672f\uff0c\u6253\u7834\u4e86\u8fd9\u4e2a\u5047\u5b9a\u3002 \u955c\u50cf\u662f\u6700\u4e3a\u539f\u59cb\u7684\u5197\u4f59\u6280\u672f\uff0c\u628a\u67d0\u7ec4\u78c1\u76d8\u9a71\u52a8\u5668\u4e0a\u7684\u6570\u636e\u5b8c\u5168\u590d\u5236\u5230\u53e6\u4e00\u7ec4\u78c1\u76d8\u9a71\u52a8\u5668\u4e0a\uff0c\u4fdd\u8bc1\u603b\u6709\u6570\u636e\u526f\u672c\u53ef\u7528\u3002 \u6bd4\u8d77\u955c\u50cf 50% \u7684\u5197\u4f59\u5f00\u9500 \uff0c\u6570\u636e\u6821\u9a8c\u8981\u5c0f\u5f88\u591a\uff0c\u5b83\u5229\u7528\u6821\u9a8c\u5197\u4f59\u4fe1\u606f\u5bf9\u6570\u636e\u8fdb\u884c\u6821\u9a8c\u548c\u7ea0\u9519\u3002 RAID \u5197\u4f59\u6280\u672f\u5927\u5e45\u63d0\u5347\u6570\u636e\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\uff0c\u4fdd\u8bc1\u4e86\u82e5\u5e72\u78c1\u76d8\u51fa\u9519\u65f6\uff0c\u4e0d \u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u4e22\u5931\uff0c\u4e0d\u5f71\u54cd\u7cfb\u7edf\u7684\u8fde\u7eed\u8fd0\u884c\u3002<\/p>\n\n\n\n

(4) \u53ef\u7ba1\u7406\u6027<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u4e0a\uff0c RAID \u662f\u4e00\u79cd\u865a\u62df\u5316\u6280\u672f\uff0c\u5b83\u5bf9\u591a\u4e2a\u7269\u7406\u78c1\u76d8\u9a71\u52a8\u5668\u865a\u62df\u6210\u4e00\u4e2a\u5927\u5bb9\u91cf\u7684\u903b\u8f91\u9a71\u52a8\u5668\u3002\u5bf9\u4e8e\u5916\u90e8\u4e3b\u673a\u7cfb\u7edf\u6765\u8bf4\uff0c RAID \u662f\u4e00\u4e2a\u5355\u4e00\u7684\u3001\u5feb\u901f\u53ef\u9760\u7684\u5927\u5bb9\u91cf\u78c1\u76d8\u9a71\u52a8\u5668\u3002\u8fd9\u6837\uff0c\u7528\u6237\u5c31\u53ef\u4ee5\u5728\u8fd9\u4e2a\u865a\u62df\u9a71\u52a8\u5668\u4e0a\u6765\u7ec4\u7ec7\u548c\u5b58\u50a8\u5e94\u7528\u7cfb\u7edf\u6570\u636e\u3002 \u4ece\u7528\u6237\u5e94\u7528\u89d2\u5ea6\u770b\uff0c\u53ef\u4f7f\u5b58\u50a8\u7cfb\u7edf\u7b80\u5355\u6613\u7528\uff0c\u7ba1\u7406\u4e5f\u5f88\u4fbf\u5229\u3002 \u7531\u4e8e RAID \u5185\u90e8\u5b8c\u6210\u4e86\u5927\u91cf\u7684\u5b58\u50a8\u7ba1\u7406\u5de5\u4f5c\uff0c\u7ba1\u7406\u5458\u53ea\u9700\u8981\u7ba1\u7406\u5355\u4e2a\u865a\u62df\u9a71\u52a8\u5668\uff0c\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u7684\u7ba1\u7406\u5de5\u4f5c\u3002 RAID \u53ef\u4ee5\u52a8\u6001\u589e\u51cf\u78c1\u76d8\u9a71\u52a8\u5668\uff0c\u53ef\u81ea\u52a8\u8fdb\u884c\u6570\u636e\u6821\u9a8c\u548c\u6570\u636e\u91cd\u5efa\uff0c\u8fd9\u4e9b\u90fd\u53ef\u4ee5 \u5927\u5927\u7b80\u5316\u7ba1\u7406\u5de5\u4f5c\u3002<\/p>\n\n\n\n

\u4e09\u3001\u5173\u952e\u6280\u672f<\/h3>\n\n\n\n

3.1 \u955c\u50cf<\/strong><\/p>\n\n\n\n

\u3000\u3000\u955c\u50cf\u662f\u4e00\u79cd\u5197\u4f59\u6280\u672f\uff0c\u4e3a\u78c1\u76d8\u63d0\u4f9b\u4fdd\u62a4\u529f\u80fd\uff0c\u9632\u6b62\u78c1\u76d8\u53d1\u751f\u6545\u969c\u800c\u9020\u6210\u6570\u636e\u4e22\u5931\u3002\u5bf9\u4e8e RAID \u800c\u8a00\uff0c\u91c7\u7528\u955c\u50cf\u6280\u672f \u5178\u578b\u5730 \u5c06\u4f1a\u540c\u65f6\u5728\u9635\u5217\u4e2d\u4ea7\u751f\u4e24\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u6570\u636e\u526f\u672c\uff0c\u5206\u5e03\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u78c1\u76d8\u9a71\u52a8\u5668\u7ec4\u4e0a\u3002\u955c\u50cf\u63d0\u4f9b\u4e86\u5b8c\u5168\u7684\u6570\u636e\u5197\u4f59\u80fd\u529b\uff0c\u5f53\u4e00\u4e2a\u6570\u636e\u526f\u672c\u5931\u6548\u4e0d\u53ef\u7528\u65f6\uff0c\u5916\u90e8\u7cfb\u7edf\u4ecd\u53ef\u6b63\u5e38\u8bbf\u95ee\u53e6\u4e00\u526f\u672c\uff0c\u4e0d\u4f1a\u5bf9\u5e94\u7528\u7cfb\u7edf\u8fd0\u884c\u548c\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\u3002\u800c\u4e14\uff0c\u955c\u50cf\u4e0d\u9700\u8981\u989d\u5916\u7684\u8ba1\u7b97\u548c\u6821\u9a8c\uff0c\u6545\u969c\u4fee\u590d\u975e\u5e38\u5feb\uff0c\u76f4\u63a5\u590d\u5236\u5373\u53ef\u3002\u955c\u50cf\u6280\u672f\u53ef\u4ee5\u4ece\u591a\u4e2a\u526f\u672c\u8fdb\u884c\u5e76\u53d1\u8bfb\u53d6\u6570\u636e\uff0c\u63d0\u4f9b\u66f4\u9ad8\u7684\u8bfb I\/O \u6027\u80fd\uff0c\u4f46\u4e0d\u80fd\u5e76\u884c\u5199\u6570\u636e\uff0c\u5199\u591a\u4e2a\u526f\u672c\u4f1a\u4f1a\u5bfc\u81f4\u4e00\u5b9a\u7684 I\/O \u6027\u80fd\u964d\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u955c\u50cf\u6280\u672f\u63d0\u4f9b\u4e86\u975e\u5e38\u9ad8\u7684\u6570\u636e\u5b89\u5168\u6027\uff0c\u5176\u4ee3\u4ef7\u4e5f\u662f\u975e\u5e38\u6602\u8d35\u7684\uff0c\u9700\u8981\u81f3\u5c11\u53cc\u500d\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u9ad8\u6210\u672c\u9650\u5236\u4e86\u955c\u50cf\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u4e3b\u8981\u5e94\u7528\u4e8e\u81f3\u5173\u91cd\u8981\u7684\u6570\u636e\u4fdd\u62a4\uff0c\u8fd9\u79cd\u573a\u5408\u4e0b\u6570\u636e\u4e22\u5931\u4f1a\u9020\u6210\u5de8\u5927\u7684\u635f\u5931\u3002\u53e6\u5916\uff0c\u955c\u50cf\u901a\u8fc7\u201c \u62c6\u5206 \u201d\u80fd\u83b7\u5f97\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u4e0a\u6570\u636e\u5feb\u7167\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u79cd\u5907\u4efd\u7a97\u53e3\u51e0\u4e4e\u4e3a\u96f6\u7684\u6570\u636e\u5907\u4efd\u6280\u672f\u3002<\/p>\n\n\n\n

3.2 \u6570\u636e\u6761\u5e26<\/strong><\/p>\n\n\n\n

\u3000\u3000\u78c1\u76d8\u5b58\u50a8\u7684\u6027\u80fd\u74f6\u9888\u5728\u4e8e\u78c1\u5934\u5bfb\u9053\u5b9a\u4f4d\uff0c\u5b83\u662f\u4e00\u79cd\u6162\u901f\u673a\u68b0\u8fd0\u52a8\uff0c\u65e0\u6cd5\u4e0e\u9ad8\u901f\u7684 CPU \u5339\u914d\u3002\u518d\u8005\uff0c\u5355\u4e2a\u78c1\u76d8\u9a71\u52a8\u5668\u6027\u80fd\u5b58\u5728\u7269\u7406\u6781\u9650\uff0c I\/O \u6027\u80fd\u975e\u5e38\u6709\u9650\u3002 RAID \u7531\u591a\u5757\u78c1\u76d8\u7ec4\u6210\uff0c\u6570\u636e\u6761\u5e26\u6280\u672f\u5c06\u6570\u636e\u4ee5\u5757\u7684\u65b9\u5f0f\u5206\u5e03\u5b58\u50a8\u5728\u591a\u4e2a\u78c1\u76d8\u4e2d\uff0c\u4ece\u800c\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u5e76\u53d1\u5904\u7406\u3002\u8fd9\u6837\u5199\u5165\u548c\u8bfb\u53d6\u6570\u636e\u5c31\u53ef\u4ee5\u5728\u591a\u4e2a\u78c1\u76d8\u4e0a\u540c\u65f6\u8fdb\u884c\uff0c\u5e76\u53d1\u4ea7\u751f\u975e\u5e38\u9ad8\u7684\u805a\u5408 I\/O \uff0c\u6709\u6548\u63d0\u9ad8\u4e86\u6574\u4f53 I\/O \u6027\u80fd\uff0c\u800c\u4e14\u5177\u6709\u826f\u597d\u7684\u7ebf\u6027\u6269\u5c55\u6027\u3002\u8fd9\u5bf9\u5927\u5bb9\u91cf\u6570\u636e\u5c24\u5176\u663e\u8457\uff0c\u5982\u679c\u4e0d\u5206\u5757\uff0c\u6570\u636e\u53ea\u80fd\u6309\u987a\u5e8f\u5b58\u50a8\u5728\u78c1\u76d8\u9635\u5217\u7684\u78c1\u76d8\u4e0a\uff0c\u9700\u8981\u65f6\u518d\u6309\u987a\u5e8f\u8bfb\u53d6\u3002\u800c\u901a\u8fc7\u6761\u5e26\u6280\u672f\uff0c\u53ef\u83b7\u5f97\u6570\u500d\u4e0e\u987a\u5e8f\u8bbf\u95ee\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u6761\u5e26\u6280\u672f\u7684\u5206\u5757\u5927\u5c0f\u9009\u62e9\u975e\u5e38\u5173\u952e\u3002\u6761\u5e26\u7c92\u5ea6\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u8282\u81f3\u51e0 KB \u5927\u5c0f\uff0c\u5206\u5757\u8d8a\u5c0f\uff0c\u5e76\u884c\u5904\u7406\u80fd\u529b\u5c31\u8d8a\u5f3a\uff0c\u6570\u636e\u5b58\u53d6\u901f\u5ea6\u5c31\u8d8a\u9ad8\uff0c\u4f46\u540c\u65f6\u5c31\u4f1a\u589e\u52a0\u5757\u5b58\u53d6\u7684\u968f\u673a\u6027\u548c\u5757\u5bfb\u5740\u65f6\u95f4\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8981\u6839\u636e\u6570\u636e\u7279\u5f81\u548c\u9700\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u5206\u5757\u5927\u5c0f\uff0c\u5728\u6570\u636e\u5b58\u53d6\u968f\u673a\u6027\u548c\u5e76\u53d1\u5904\u7406\u80fd\u529b\u4e4b\u95f4\u8fdb\u884c\u5e73\u8861\uff0c\u4ee5\u4e89\u53d6\u5c3d\u53ef\u80fd\u9ad8\u7684\u6574\u4f53\u6027\u80fd\u3002
\u6570\u636e\u6761\u5e26\u662f\u57fa\u4e8e\u63d0\u9ad8 I\/O \u6027\u80fd\u800c\u63d0\u51fa\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u53ea\u5173\u6ce8\u6027\u80fd\uff0c \u800c\u5bf9\u6570\u636e\u53ef\u9760\u6027\u3001\u53ef\u7528\u6027\u6ca1\u6709\u4efb\u4f55\u6539\u5584\u3002\u5b9e\u9645\u4e0a\uff0c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u6570\u636e\u6761\u5e26\u635f\u574f\u90fd\u4f1a\u5bfc\u81f4\u6574\u4e2a\u6570\u636e\u4e0d\u53ef\u7528\uff0c\u91c7\u7528\u6570\u636e\u6761\u5e26\u6280\u672f\u53cd\u800c\u589e\u52a0\u4e86\u6570\u636e\u53d1\u751f\u4e22\u5931\u7684\u6982\u5ff5\u7387\u3002<\/p>\n\n\n\n

3.3 \u6570\u636e\u6821\u9a8c<\/strong><\/p>\n\n\n\n

\u3000\u3000\u955c\u50cf\u5177\u6709\u9ad8\u5b89\u5168\u6027\u3001\u9ad8\u8bfb\u6027\u80fd\uff0c\u4f46\u5197\u4f59\u5f00\u9500\u592a\u6602\u8d35\u3002\u6570\u636e\u6761\u5e26\u901a\u8fc7\u5e76\u53d1\u6027\u6765\u5927\u5e45\u63d0\u9ad8\u6027\u80fd\uff0c\u7136\u800c\u5bf9\u6570\u636e\u5b89\u5168\u6027\u3001\u53ef\u9760\u6027\u672a\u4f5c\u8003\u8651\u3002\u6570\u636e\u6821\u9a8c\u662f\u4e00\u79cd\u5197\u4f59\u6280\u672f\uff0c\u5b83\u7528\u6821\u9a8c\u6570\u636e\u6765\u63d0\u4f9b\u6570\u636e\u7684\u5b89\u5168\uff0c\u53ef\u4ee5\u68c0\u6d4b\u6570\u636e\u9519\u8bef\uff0c\u5e76\u5728\u80fd\u529b\u5141\u8bb8\u7684\u524d\u63d0\u4e0b\u8fdb\u884c\u6570\u636e\u91cd\u6784\u3002\u76f8\u5bf9\u955c\u50cf\uff0c\u6570\u636e\u6821\u9a8c\u5927\u5e45\u7f29\u51cf\u4e86\u5197\u4f59\u5f00\u9500\uff0c\u7528\u8f83\u5c0f\u7684\u4ee3\u4ef7\u6362\u53d6\u4e86\u6781\u4f73\u7684\u6570\u636e\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002\u6570\u636e\u6761\u5e26\u6280\u672f\u63d0\u4f9b\u9ad8\u6027\u80fd\uff0c\u6570\u636e\u6821\u9a8c\u63d0\u4f9b\u6570\u636e\u5b89\u5168\u6027\uff0c RAID \u4e0d\u540c\u7b49\u7ea7\u5f80\u5f80\u540c\u65f6\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e24\u79cd\u6280\u672f\u3002<\/p>\n\n\n\n

\u3000\u3000\u91c7\u7528\u6570\u636e\u6821\u9a8c\u65f6\uff0c RAID \u8981\u5728\u5199\u5165\u6570\u636e\u540c\u65f6\u8fdb\u884c\u6821\u9a8c\u8ba1\u7b97\uff0c\u5e76\u5c06\u5f97\u5230\u7684\u6821\u9a8c\u6570\u636e\u5b58\u50a8\u5728 RAID \u6210\u5458\u78c1\u76d8\u4e2d\u3002\u6821\u9a8c\u6570\u636e\u53ef\u4ee5\u96c6\u4e2d\u4fdd\u5b58\u5728\u67d0\u4e2a\u78c1\u76d8\u6216\u5206\u6563\u5b58\u50a8\u5728\u591a\u4e2a\u4e0d\u540c\u78c1\u76d8\u4e2d\uff0c\u751a\u81f3\u6821\u9a8c\u6570\u636e\u4e5f\u53ef\u4ee5\u5206\u5757\uff0c\u4e0d\u540c RAID \u7b49\u7ea7\u5b9e\u73b0\u5404\u4e0d\u76f8\u540c\u3002\u5f53\u5176\u4e2d\u4e00\u90e8\u5206\u6570\u636e\u51fa\u9519\u65f6\uff0c\u5c31\u53ef\u4ee5\u5bf9\u5269\u4f59\u6570\u636e\u548c\u6821\u9a8c\u6570\u636e\u8fdb\u884c\u53cd\u6821\u9a8c\u8ba1\u7b97\u91cd\u5efa\u4e22\u5931\u7684\u6570\u636e\u3002\u6821\u9a8c\u6280\u672f\u76f8\u5bf9\u4e8e\u955c\u50cf\u6280\u672f\u7684\u4f18\u52bf\u5728\u4e8e\u8282\u7701\u5927\u91cf\u5f00\u9500\uff0c\u4f46\u7531\u4e8e\u6bcf\u6b21\u6570\u636e\u8bfb\u5199\u90fd\u8981\u8fdb\u884c\u5927\u91cf\u7684\u6821\u9a8c\u8fd0\u7b97\uff0c\u5bf9\u8ba1\u7b97\u673a\u7684\u8fd0\u7b97\u901f\u5ea6\u8981\u6c42\u5f88\u9ad8\uff0c\u5fc5\u987b\u4f7f\u7528\u786c\u4ef6 RAID \u63a7\u5236\u5668\u3002\u5728\u6570\u636e\u91cd\u5efa\u6062\u590d\u65b9\u9762\uff0c\u68c0\u9a8c\u6280\u672f\u6bd4\u955c\u50cf\u6280\u672f\u590d\u6742\u5f97\u591a\u4e14\u6162\u5f97\u591a\u3002<\/p>\n\n\n\n

\u3000\u3000\u6d77\u660e\u6821\u9a8c\u7801\u548c \u5f02\u6216\u6821\u9a8c\u662f\u4e24\u79cd\u6700\u4e3a\u5e38\u7528\u7684 \u6570\u636e\u6821\u9a8c\u7b97\u6cd5\u3002\u6d77\u660e\u6821\u9a8c\u7801\u662f\u7531\u7406\u67e5\u5fb7.\u6d77\u660e\u63d0\u51fa\u7684\uff0c\u4e0d\u4ec5\u80fd\u68c0\u6d4b\u9519\u8bef\uff0c\u8fd8\u80fd\u7ed9\u51fa\u9519\u8bef\u4f4d\u7f6e\u5e76\u81ea\u52a8\u7ea0\u6b63\u3002\u6d77\u660e\u6821\u9a8c\u7684\u57fa\u672c\u601d\u60f3\u662f\uff1a\u5c06\u6709\u6548\u4fe1\u606f\u6309\u7167\u67d0\u79cd\u89c4\u5f8b\u5206\u6210\u82e5\u5e72\u7ec4\uff0c\u5bf9\u6bcf\u4e00\u4e2a\u7ec4\u4f5c\u5947\u5076\u6d4b\u8bd5\u5e76\u5b89\u6392\u4e00\u4e2a\u6821\u9a8c\u4f4d\uff0c\u4ece\u800c\u80fd\u63d0\u4f9b\u591a\u4f4d\u68c0\u9519\u4fe1\u606f\uff0c\u4ee5\u5b9a\u4f4d\u9519\u8bef\u70b9\u5e76\u7ea0\u6b63\u3002\u53ef\u89c1\u6d77\u660e\u6821\u9a8c\u5b9e\u8d28\u4e0a\u662f\u4e00\u79cd\u591a\u91cd\u5947\u5076\u6821\u9a8c\u3002\u5f02\u6216\u6821\u9a8c\u901a\u8fc7\u5f02\u6216\u903b\u8f91\u8fd0\u7b97\u4ea7\u751f\uff0c\u5c06\u4e00\u4e2a\u6709\u6548\u4fe1\u606f\u4e0e\u4e00\u4e2a\u7ed9\u5b9a\u7684\u521d\u59cb\u503c\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\uff0c\u4f1a\u5f97\u5230\u6821\u9a8c\u4fe1\u606f\u3002\u5982\u679c\u6709\u6548\u4fe1\u606f\u51fa\u73b0\u9519\u8bef\uff0c\u901a\u8fc7\u6821\u9a8c\u4fe1\u606f\u4e0e\u521d\u59cb\u503c\u7684\u5f02\u6216\u8fd0\u7b97\u80fd\u8fd8\u539f\u6b63\u786e\u7684\u6709\u6548\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u56db\u3001RAID \u7b49\u7ea7<\/h3>\n\n\n\n

4.1 JBOD<\/strong><\/p>\n\n\n\n

\u3000\u3000JBOD \uff08 Just a Bunch Of Disks \uff09\u4e0d\u662f\u6807\u51c6\u7684 RAID \u7b49\u7ea7\uff0c\u5b83\u901a\u5e38\u7528\u6765\u8868\u793a\u4e00\u4e2a\u6ca1\u6709\u63a7\u5236\u8f6f\u4ef6\u63d0\u4f9b\u534f\u8c03\u63a7\u5236\u7684\u78c1\u76d8\u96c6\u5408\u3002 JBOD \u5c06\u591a\u4e2a\u7269\u7406\u78c1\u76d8\u4e32\u8054\u8d77\u6765\uff0c\u63d0\u4f9b\u4e00\u4e2a\u5de8\u5927\u7684\u903b\u8f91\u78c1\u76d8\u3002 JBOD \uff08\u5982\u56fe 1 \uff09\u7684\u6570\u636e\u5b58\u653e\u673a\u5236\u662f\u7531\u7b2c\u4e00\u5757\u78c1\u76d8\u5f00\u59cb\u6309\u987a\u5e8f\u5f80\u540e\u5b58\u50a8\uff0c\u5f53\u524d\u78c1\u76d8\u5b58\u50a8\u7a7a\u95f4\u7528\u5b8c\u540e\uff0c\u518d\u4f9d\u6b21\u5f80\u540e\u9762\u7684\u78c1\u76d8\u5b58\u50a8\u6570\u636e\u3002 JBOD \u5b58\u50a8\u6027\u80fd\u5b8c\u5168\u7b49\u540c\u4e8e\u5355\u5757\u78c1\u76d8\uff0c\u800c\u4e14\u4e5f\u4e0d\u63d0\u4f9b\u6570\u636e\u5b89\u5168\u4fdd\u62a4\u3002\u5b83\u53ea\u662f\u7b80\u5355\u63d0\u4f9b\u4e00\u79cd\u6269\u5c55\u5b58\u50a8\u7a7a\u95f4\u7684\u673a\u5236\uff0c JBOD \u53ef\u7528\u5b58\u50a8\u5bb9\u91cf\u7b49\u4e8e\u6240\u6709\u6210\u5458\u78c1\u76d8\u7684\u5b58\u50a8\u7a7a\u95f4\u4e4b\u548c\u3002\u76ee\u524d JBOD \u5e38\u6307\u78c1\u76d8\u67dc\uff0c\u800c\u4e0d\u8bba\u5176\u662f\u5426\u63d0\u4f9b RAID \u529f\u80fd\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe1 JBOD<\/p>\n\n\n\n

4.2 \u6807\u51c6 RAID \u7b49\u7ea7<\/strong><\/p>\n\n\n\n

\u3000\u3000SNIA \u3001 Berkeley \u7b49\u7ec4\u7ec7\u673a\u6784\u628a RAID0 \u3001 RAID1 \u3001 RAID2 \u3001 RAID3 \u3001 RAID4 \u3001 RAID5 \u3001 RAID6 \u4e03\u4e2a\u7b49\u7ea7\u5b9a\u4e3a\u6807\u51c6\u7684 RAID \u7b49\u7ea7\uff0c\u8fd9\u4e5f\u88ab\u4e1a\u754c\u548c\u5b66\u672f\u754c\u6240\u516c\u8ba4\u3002\u6807\u51c6\u7b49\u7ea7\u662f\u6700\u57fa\u672c\u7684 RAID \u914d\u7f6e\u96c6\u5408\uff0c\u5355\u72ec\u6216\u7efc\u5408\u5229\u7528\u6570\u636e\u6761\u5e26\u3001\u955c\u50cf\u548c\u6570\u636e\u6821\u9a8c\u6280\u672f\u3002\u6807\u51c6 RAID \u53ef\u4ee5\u7ec4\u5408\uff0c\u5373 RAID \u7ec4\u5408\u7b49\u7ea7\uff0c\u6ee1\u8db3 \u5bf9\u6027\u80fd\u3001\u5b89\u5168\u6027\u3001\u53ef\u9760\u6027\u8981\u6c42\u66f4\u9ad8\u7684\u5b58\u50a8\u5e94\u7528\u9700\u6c42\u3002 [6][7][8][9][10][11]<\/p>\n\n\n\n

1.RAID0<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID0 \u662f\u4e00\u79cd\u7b80\u5355\u7684\u3001\u65e0\u6570\u636e\u6821\u9a8c\u7684\u6570\u636e\u6761\u5e26\u5316\u6280\u672f\u3002\u5b9e\u9645\u4e0a\u4e0d\u662f\u4e00\u79cd\u771f\u6b63\u7684 RAID \uff0c\u56e0\u4e3a\u5b83\u5e76\u4e0d\u63d0\u4f9b\u4efb\u4f55\u5f62\u5f0f\u7684\u5197\u4f59\u7b56\u7565\u3002 RAID0 \u5c06\u6240\u5728\u78c1\u76d8\u6761\u5e26\u5316\u540e\u7ec4\u6210\u5927\u5bb9\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\uff08\u5982\u56fe 2 \u6240\u793a\uff09\uff0c\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u6240\u6709\u78c1\u76d8\u4e2d\uff0c\u4ee5\u72ec\u7acb\u8bbf\u95ee\u65b9\u5f0f\u5b9e\u73b0\u591a\u5757\u78c1\u76d8\u7684\u5e76\u8bfb\u8bbf\u95ee\u3002\u7531\u4e8e\u53ef\u4ee5\u5e76\u53d1\u6267\u884c I\/O \u64cd\u4f5c\uff0c\u603b\u7ebf\u5e26\u5bbd\u5f97\u5230\u5145\u5206\u5229\u7528\u3002\u518d\u52a0\u4e0a\u4e0d\u9700\u8981\u8fdb\u884c\u6570\u636e\u6821\u9a8c\uff0cRAID0 \u7684\u6027\u80fd\u5728\u6240\u6709 RAID \u7b49\u7ea7\u4e2d\u662f\u6700\u9ad8\u7684\u3002\u7406\u8bba\u4e0a\u8bb2\uff0c\u4e00\u4e2a\u7531 n \u5757\u78c1\u76d8\u7ec4\u6210\u7684 RAID0 \uff0c\u5b83\u7684\u8bfb\u5199\u6027\u80fd\u662f\u5355\u4e2a\u78c1\u76d8\u6027\u80fd\u7684 n \u500d\uff0c\u4f46\u7531\u4e8e\u603b\u7ebf\u5e26\u5bbd\u7b49\u591a\u79cd\u56e0\u7d20\u7684\u9650\u5236\uff0c\u5b9e\u9645\u7684\u6027\u80fd\u63d0\u5347\u4f4e\u4e8e\u7406\u8bba\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000RAID0 \u5177\u6709\u4f4e\u6210\u672c\u3001\u9ad8\u8bfb\u5199\u6027\u80fd\u3001 100% \u7684\u9ad8\u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u7b49\u4f18\u70b9\uff0c\u4f46\u662f\u5b83\u4e0d\u63d0\u4f9b\u6570\u636e\u5197\u4f59\u4fdd\u62a4\uff0c\u4e00\u65e6\u6570\u636e\u635f\u574f\uff0c\u5c06\u65e0\u6cd5\u6062\u590d\u3002 \u56e0\u6b64\uff0c RAID0 \u4e00\u822c\u9002\u7528\u4e8e\u5bf9\u6027\u80fd\u8981\u6c42\u4e25\u683c\u4f46\u5bf9\u6570\u636e\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u4e0d\u9ad8\u7684\u5e94\u7528\uff0c\u5982\u89c6\u9891\u3001\u97f3\u9891\u5b58\u50a8\u3001\u4e34\u65f6\u6570\u636e\u7f13\u5b58\u7a7a\u95f4\u7b49\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe2 RAID0 \uff1a\u65e0\u5197\u9519\u7684\u6570\u636e\u6761\u5e26<\/p>\n\n\n\n

2.RAID1<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID1 \u79f0\u4e3a\u955c\u50cf\uff0c\u5b83\u5c06\u6570\u636e\u5b8c\u5168\u4e00\u81f4\u5730\u5206\u522b\u5199\u5230\u5de5\u4f5c\u78c1\u76d8\u548c\u955c\u50cf \u78c1\u76d8\uff0c\u5b83\u7684\u78c1\u76d8\u7a7a\u95f4\u5229\u7528\u7387\u4e3a 50% \u3002 RAID1 \u5728\u6570\u636e\u5199\u5165\u65f6\uff0c\u54cd\u5e94\u65f6\u95f4\u4f1a\u6709\u6240\u5f71\u54cd\uff0c\u4f46\u662f\u8bfb\u6570\u636e\u7684\u65f6\u5019\u6ca1\u6709\u5f71\u54cd\u3002 RAID1 \u63d0\u4f9b\u4e86\u6700\u4f73\u7684\u6570\u636e\u4fdd\u62a4\uff0c\u4e00\u65e6\u5de5\u4f5c\u78c1\u76d8\u53d1\u751f\u6545\u969c\uff0c\u7cfb\u7edf\u81ea\u52a8\u4ece\u955c\u50cf\u78c1\u76d8\u8bfb\u53d6\u6570\u636e\uff0c\u4e0d\u4f1a\u5f71\u54cd\u7528\u6237\u5de5\u4f5c\u3002\u5de5\u4f5c\u539f\u7406\u5982\u56fe 3 \u6240\u793a\u3002<\/p>\n\n\n\n

\u3000\u3000RAID1 \u4e0e RAID0 \u521a\u597d\u76f8\u53cd\uff0c\u662f\u4e3a\u4e86\u589e\u5f3a\u6570\u636e\u5b89\u5168\u6027\u4f7f\u4e24\u5757 \u78c1\u76d8\u6570\u636e\u5448\u73b0\u5b8c\u5168\u955c\u50cf\uff0c\u4ece\u800c\u8fbe\u5230\u5b89\u5168\u6027\u597d\u3001\u6280\u672f\u7b80\u5355\u3001\u7ba1\u7406\u65b9\u4fbf\u3002 RAID1 \u62e5\u6709\u5b8c\u5168\u5bb9\u9519\u7684\u80fd\u529b\uff0c\u4f46\u5b9e\u73b0\u6210\u672c\u9ad8\u3002 RAID1 \u5e94\u7528\u4e8e\u5bf9\u987a\u5e8f\u8bfb\u5199\u6027\u80fd\u8981\u6c42\u9ad8\u4ee5\u53ca\u5bf9\u6570\u636e\u4fdd\u62a4\u6781\u4e3a\u91cd\u89c6\u7684\u5e94\u7528\uff0c\u5982\u5bf9\u90ae\u4ef6\u7cfb\u7edf\u7684\u6570\u636e\u4fdd\u62a4\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe3 RAID1 \uff1a\u65e0\u6821\u9a8c\u7684\u76f8\u4e92\u955c\u50cf<\/p>\n\n\n\n

3.RAID2<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID2 \u79f0\u4e3a\u7ea0\u9519\u6d77\u660e\u7801\u78c1\u76d8\u9635\u5217\uff0c\u5176\u8bbe\u8ba1\u601d\u60f3\u662f\u5229\u7528\u6d77\u660e\u7801\u5b9e\u73b0\u6570\u636e\u6821\u9a8c\u5197\u4f59\u3002\u6d77\u660e\u7801\u662f\u4e00\u79cd\u5728\u539f\u59cb\u6570\u636e\u4e2d\u52a0\u5165\u82e5\u5e72\u6821\u9a8c\u7801\u6765\u8fdb\u884c\u9519\u8bef\u68c0\u6d4b\u548c\u7ea0\u6b63\u7684\u7f16\u7801\u6280\u672f\uff0c\u5176\u4e2d\u7b2c 2n<\/sup> \u4f4d\uff08 1, 2, 4, 8, \u2026 \uff09\u662f\u6821\u9a8c\u7801\uff0c\u5176\u4ed6\u4f4d\u7f6e\u662f\u6570\u636e\u7801\u3002\u56e0\u6b64\u5728 RAID2 \u4e2d\uff0c\u6570\u636e\u6309\u4f4d\u5b58\u50a8\uff0c\u6bcf\u5757\u78c1\u76d8\u5b58\u50a8\u4e00\u4f4d\u6570\u636e\u7f16\u7801\uff0c\u78c1\u76d8\u6570\u91cf\u53d6\u51b3\u4e8e\u6240\u8bbe\u5b9a\u7684\u6570\u636e\u5b58\u50a8\u5bbd\u5ea6\uff0c\u53ef\u7531\u7528\u6237\u8bbe\u5b9a\u3002\u56fe 4 \u6240\u793a\u7684\u4e3a\u6570\u636e\u5bbd\u5ea6\u4e3a 4 \u7684 RAID2 \uff0c\u5b83\u9700\u8981 4 \u5757\u6570\u636e\u78c1\u76d8\u548c 3 \u5757\u6821\u9a8c\u78c1\u76d8\u3002\u5982\u679c\u662f 64 \u4f4d\u6570\u636e\u5bbd\u5ea6\uff0c\u5219\u9700\u8981 64 \u5757 \u6570\u636e\u78c1\u76d8\u548c 7 \u5757\u6821\u9a8c\u78c1\u76d8\u3002\u53ef\u89c1\uff0c RAID2 \u7684\u6570\u636e\u5bbd\u5ea6\u8d8a\u5927\uff0c\u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u8d8a\u9ad8\uff0c\u4f46\u540c\u65f6\u9700\u8981\u7684\u78c1\u76d8\u6570\u91cf\u4e5f\u8d8a\u591a\u3002<\/p>\n\n\n\n

\u3000\u3000\u6d77\u660e\u7801\u81ea\u8eab\u5177\u5907\u7ea0\u9519\u80fd\u529b\uff0c\u56e0\u6b64 RAID2 \u53ef\u4ee5\u5728\u6570\u636e\u53d1\u751f\u9519\u8bef\u7684\u60c5\u51b5\u4e0b\u5bf9\u7ea0\u6b63\u9519\u8bef\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u5b89\u5168\u6027\u3002\u5b83\u7684\u6570\u636e\u4f20\u8f93\u6027\u80fd\u76f8\u5f53\u9ad8\uff0c\u8bbe\u8ba1\u590d\u6742\u6027\u8981\u4f4e\u4e8e\u540e\u9762\u4ecb\u7ecd\u7684 RAID3 \u3001 RAID4 \u548c RAID5 \u3002<\/p>\n\n\n\n

\u3000\u3000\u4f46\u662f\uff0c\u6d77\u660e\u7801\u7684\u6570\u636e\u5197\u4f59\u5f00\u9500\u592a\u5927\uff0c\u800c\u4e14 RAID2 \u7684\u6570\u636e\u8f93\u51fa\u6027\u80fd\u53d7\u9635\u5217\u4e2d\u6700\u6162\u78c1\u76d8\u9a71\u52a8\u5668\u7684\u9650\u5236\u3002\u518d\u8005\uff0c\u6d77\u660e\u7801\u662f\u6309\u4f4d\u8fd0\u7b97\uff0c RAID2 \u6570\u636e\u91cd\u5efa\u975e\u5e38\u8017\u65f6\u3002\u7531\u4e8e\u8fd9\u4e9b\u663e\u8457\u7684\u7f3a\u9677\uff0c\u518d\u52a0\u4e0a\u5927\u90e8\u5206\u78c1\u76d8\u9a71\u52a8\u5668\u672c\u8eab\u90fd\u5177\u5907\u4e86\u7ea0\u9519\u529f\u80fd\uff0c\u56e0\u6b64 RAID2 \u5728\u5b9e\u9645\u4e2d\u5f88\u5c11\u5e94\u7528\uff0c\u6ca1\u6709\u5f62\u6210\u5546\u4e1a\u4ea7\u54c1\uff0c\u76ee\u524d\u4e3b\u6d41\u5b58\u50a8\u78c1\u76d8\u9635\u5217\u5747\u4e0d\u63d0\u4f9b RAID2 \u652f\u6301\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe 4 RAID2 \uff1a\u6d77\u660e\u7801\u6821\u9a8c<\/p>\n\n\n\n

4.RAID3<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID3 \uff08\u56fe 5 \uff09\u662f\u4f7f\u7528\u4e13\u7528\u6821\u9a8c\u76d8\u7684\u5e76\u884c\u8bbf\u95ee\u9635\u5217\uff0c\u5b83\u91c7\u7528\u4e00\u4e2a\u4e13\u7528\u7684\u78c1\u76d8\u4f5c\u4e3a\u6821\u9a8c\u76d8\uff0c\u5176\u4f59\u78c1\u76d8\u4f5c\u4e3a\u6570\u636e\u76d8\uff0c\u6570\u636e\u6309\u4f4d\u53ef\u5b57\u8282\u7684\u65b9\u5f0f\u4ea4\u53c9\u5b58\u50a8\u5230\u5404\u4e2a\u6570\u636e\u76d8\u4e2d\u3002RAID3 \u81f3\u5c11\u9700\u8981\u4e09\u5757\u78c1\u76d8\uff0c\u4e0d\u540c\u78c1\u76d8\u4e0a\u540c\u4e00\u5e26\u533a\u7684\u6570\u636e\u4f5c XOR \u6821\u9a8c\uff0c\u6821\u9a8c\u503c\u5199\u5165\u6821\u9a8c\u76d8\u4e2d\u3002 RAID3 \u5b8c\u597d\u65f6\u8bfb\u6027\u80fd\u4e0e RAID0 \u5b8c\u5168\u4e00\u81f4\uff0c\u5e76\u884c\u4ece\u591a\u4e2a\u78c1\u76d8\u6761\u5e26\u8bfb\u53d6\u6570\u636e\uff0c\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u540c\u65f6\u8fd8\u63d0\u4f9b\u4e86\u6570\u636e\u5bb9\u9519\u80fd\u529b\u3002\u5411 RAID3 \u5199\u5165\u6570\u636e\u65f6\uff0c\u5fc5\u987b\u8ba1\u7b97\u4e0e\u6240\u6709\u540c\u6761\u5e26\u7684\u6821\u9a8c\u503c\uff0c\u5e76\u5c06\u65b0\u6821\u9a8c\u503c\u5199\u5165\u6821\u9a8c\u76d8\u4e2d\u3002\u4e00\u6b21\u5199\u64cd\u4f5c\u5305\u542b\u4e86\u5199\u6570\u636e\u5757\u3001\u8bfb\u53d6\u540c\u6761\u5e26\u7684\u6570\u636e\u5757\u3001\u8ba1\u7b97\u6821\u9a8c\u503c\u3001\u5199\u5165\u6821\u9a8c\u503c\u7b49\u591a\u4e2a\u64cd\u4f5c\uff0c\u7cfb\u7edf\u5f00\u9500\u975e\u5e38\u5927\uff0c\u6027\u80fd\u8f83\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u5982\u679c RAID3 \u4e2d\u67d0\u4e00\u78c1\u76d8\u51fa\u73b0\u6545\u969c\uff0c\u4e0d\u4f1a\u5f71\u54cd\u6570\u636e\u8bfb\u53d6\uff0c\u53ef\u4ee5\u501f\u52a9\u6821\u9a8c\u6570\u636e\u548c\u5176\u4ed6\u5b8c\u597d\u6570\u636e\u6765\u91cd\u5efa\u6570\u636e\u3002\u5047\u5982\u6240\u8981\u8bfb\u53d6\u7684\u6570\u636e\u5757\u6b63\u597d\u4f4d\u4e8e\u5931\u6548\u78c1\u76d8\uff0c\u5219\u7cfb\u7edf\u9700\u8981\u8bfb\u53d6\u6240\u6709\u540c\u4e00\u6761\u5e26\u7684\u6570\u636e\u5757\uff0c\u5e76\u6839\u636e\u6821\u9a8c\u503c\u91cd\u5efa\u4e22\u5931\u7684\u6570\u636e\uff0c\u7cfb\u7edf\u6027\u80fd\u5c06\u53d7\u5230\u5f71\u54cd\u3002\u5f53\u6545\u969c\u78c1\u76d8\u88ab\u66f4\u6362\u540e\uff0c\u7cfb\u7edf\u6309\u76f8\u540c\u7684\u65b9\u5f0f\u91cd\u5efa\u6545\u969c\u76d8\u4e2d\u7684\u6570\u636e\u81f3\u65b0\u78c1\u76d8\u3002<\/p>\n\n\n\n

\u3000\u3000RAID3 \u53ea\u9700\u8981\u4e00\u4e2a\u6821\u9a8c\u76d8\uff0c\u9635\u5217\u7684\u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u9ad8\uff0c\u518d\u52a0\u4e0a\u5e76\u884c\u8bbf\u95ee\u7684\u7279\u5f81\uff0c\u80fd\u591f\u4e3a\u9ad8\u5e26\u5bbd\u7684\u5927\u91cf\u8bfb\u5199\u63d0\u4f9b\u9ad8\u6027\u80fd\uff0c\u9002\u7528\u5927\u5bb9\u91cf\u6570\u636e\u7684\u987a\u5e8f\u8bbf\u95ee\u5e94\u7528\uff0c\u5982\u5f71\u50cf\u5904\u7406\u3001\u6d41\u5a92\u4f53\u670d\u52a1\u7b49\u3002\u76ee\u524d\uff0c RAID5 \u7b97\u6cd5\u4e0d\u65ad\u6539\u8fdb\uff0c\u5728\u5927\u6570\u636e\u91cf\u8bfb\u53d6\u65f6\u80fd\u591f\u6a21\u62df RAID3 \uff0c\u800c\u4e14 RAID3 \u5728\u51fa\u73b0\u574f\u76d8\u65f6\u6027\u80fd\u4f1a\u5927\u5e45\u4e0b\u964d\uff0c\u56e0\u6b64\u5e38\u4f7f\u7528 RAID5 \u66ff\u4ee3 RAID3 \u6765\u8fd0\u884c\u5177\u6709\u6301\u7eed\u6027\u3001\u9ad8\u5e26\u5bbd\u3001\u5927\u91cf\u8bfb\u5199\u7279\u5f81\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe5 RAID3 \uff1a\u5e26\u6709\u4e13\u7528\u4f4d\u6821\u9a8c\u7684\u6570\u636e\u6761\u5e26<\/p>\n\n\n\n

5.RAID4<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID4 \u4e0e RAID3 \u7684\u539f\u7406\u5927\u81f4\u76f8\u540c\uff0c\u533a\u522b\u5728\u4e8e\u6761\u5e26\u5316\u7684\u65b9\u5f0f\u4e0d\u540c\u3002 RAID4 \uff08\u56fe 6 \uff09\u6309\u7167 \u5757\u7684\u65b9\u5f0f\u6765\u7ec4\u7ec7\u6570\u636e\uff0c\u5199\u64cd\u4f5c\u53ea\u6d89\u53ca\u5f53\u524d\u6570\u636e\u76d8\u548c\u6821\u9a8c\u76d8\u4e24\u4e2a\u76d8\uff0c\u591a\u4e2a I\/O \u8bf7\u6c42\u53ef\u4ee5\u540c\u65f6\u5f97\u5230\u5904\u7406\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u6027\u80fd\u3002 RAID4 \u6309\u5757\u5b58\u50a8\u53ef\u4ee5\u4fdd\u8bc1\u5355\u5757\u7684\u5b8c\u6574\u6027\uff0c\u53ef\u4ee5\u907f\u514d\u53d7\u5230\u5176\u4ed6\u78c1\u76d8\u4e0a\u540c\u6761\u5e26\u4ea7\u751f\u7684\u4e0d\u5229\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000RAID4 \u5728\u4e0d\u540c\u78c1\u76d8\u4e0a\u7684\u540c\u7ea7\u6570\u636e\u5757\u540c\u6837\u4f7f\u7528 XOR \u6821\u9a8c\uff0c\u7ed3\u679c\u5b58\u50a8\u5728\u6821\u9a8c\u76d8\u4e2d\u3002\u5199\u5165\u6570\u636e\u65f6\uff0c RAID4 \u6309\u8fd9\u79cd\u65b9\u5f0f\u628a\u5404\u78c1\u76d8\u4e0a\u7684\u540c\u7ea7\u6570\u636e\u7684\u6821\u9a8c\u503c\u5199\u5165\u6821\u9a8c \u76d8\uff0c\u8bfb\u53d6\u65f6\u8fdb\u884c\u5373\u65f6\u6821\u9a8c\u3002\u56e0\u6b64\uff0c\u5f53\u67d0\u5757\u78c1\u76d8\u7684\u6570\u636e\u5757\u635f\u574f\uff0c RAID4 \u53ef\u4ee5\u901a\u8fc7\u6821\u9a8c\u503c\u4ee5\u53ca\u5176\u4ed6\u78c1\u76d8\u4e0a\u7684\u540c\u7ea7\u6570\u636e\u5757\u8fdb\u884c\u6570\u636e\u91cd\u5efa\u3002<\/p>\n\n\n\n

\u3000\u3000RAID4 \u63d0\u4f9b\u4e86 \u975e\u5e38\u597d\u7684\u8bfb\u6027\u80fd\uff0c\u4f46\u5355\u4e00\u7684\u6821\u9a8c\u76d8\u5f80\u5f80\u6210\u4e3a\u7cfb\u7edf\u6027\u80fd\u7684\u74f6\u9888\u3002\u5bf9\u4e8e\u5199\u64cd\u4f5c\uff0c RAID4 \u53ea\u80fd\u4e00\u4e2a\u78c1\u76d8\u4e00\u4e2a\u78c1\u76d8\u5730\u5199\uff0c\u5e76\u4e14\u8fd8\u8981\u5199\u5165\u6821\u9a8c\u6570\u636e\uff0c\u56e0\u6b64\u5199\u6027\u80fd\u6bd4\u8f83\u5dee\u3002\u800c\u4e14\u968f\u7740\u6210\u5458\u78c1\u76d8\u6570\u91cf\u7684\u589e\u52a0\uff0c\u6821\u9a8c\u76d8\u7684\u7cfb\u7edf\u74f6\u9888\u5c06\u66f4\u52a0\u7a81\u51fa\u3002\u6b63\u662f\u5982\u4e0a\u8fd9\u4e9b\u9650\u5236\u548c\u4e0d\u8db3\uff0c RAID4 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5f88\u5c11\u89c1\uff0c\u4e3b\u6d41\u5b58\u50a8\u4ea7\u54c1\u4e5f\u5f88\u5c11\u4f7f\u7528 RAID4 \u4fdd\u62a4\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe6 RAID4 \uff1a\u5e26\u6709\u4e13\u7528\u5757\u7ea7\u6821\u9a8c\u7684\u6570\u636e\u6761\u5e26<\/p>\n\n\n\n

6.RAID5<\/strong><\/p>\n\n\n\n

\u3000\u3000 RAID5 \u5e94\u8be5\u662f\u76ee\u524d\u6700\u5e38\u89c1\u7684 RAID \u7b49\u7ea7\uff0c\u5b83\u7684\u539f\u7406\u4e0e RAID4 \u76f8\u4f3c\uff0c\u533a\u522b\u5728\u4e8e\u6821\u9a8c\u6570\u636e\u5206\u5e03\u5728\u9635\u5217\u4e2d\u7684\u6240\u6709\u78c1\u76d8\u4e0a\uff0c\u800c\u6ca1\u6709\u91c7\u7528\u4e13\u95e8\u7684\u6821\u9a8c\u78c1\u76d8\u3002\u5bf9\u4e8e\u6570\u636e\u548c\u6821\u9a8c\u6570\u636e\uff0c\u5b83\u4eec\u7684\u5199\u64cd\u4f5c\u53ef\u4ee5\u540c\u65f6\u53d1\u751f\u5728\u5b8c\u5168\u4e0d\u540c\u7684\u78c1\u76d8\u4e0a\u3002\u56e0\u6b64\uff0c RAID5 \u4e0d\u5b58\u5728 RAID4 \u4e2d\u7684\u5e76\u53d1\u5199\u64cd\u4f5c\u65f6\u7684\u6821\u9a8c\u76d8\u6027\u80fd\u74f6\u9888\u95ee\u9898\u3002\u53e6\u5916\uff0c RAID5 \u8fd8\u5177\u5907\u5f88\u597d\u7684\u6269\u5c55\u6027\u3002\u5f53\u9635\u5217\u78c1\u76d8 \u6570\u91cf\u589e\u52a0\u65f6\uff0c\u5e76\u884c\u64cd\u4f5c\u91cf\u7684\u80fd\u529b\u4e5f\u968f\u4e4b\u589e\u957f\uff0c\u53ef\u6bd4 RAID4 \u652f\u6301\u66f4\u591a\u7684\u78c1\u76d8\uff0c\u4ece\u800c\u62e5\u6709\u66f4\u9ad8\u7684\u5bb9\u91cf\u4ee5\u53ca\u66f4\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000RAID5 \uff08\u56fe 7\uff09\u7684\u78c1\u76d8\u4e0a\u540c\u65f6\u5b58\u50a8\u6570\u636e\u548c\u6821\u9a8c\u6570\u636e\uff0c\u6570\u636e\u5757\u548c\u5bf9\u5e94\u7684\u6821\u9a8c\u4fe1\u606f\u5b58\u4fdd\u5b58\u5728\u4e0d\u540c\u7684\u78c1\u76d8\u4e0a\uff0c\u5f53\u4e00\u4e2a\u6570\u636e\u76d8\u635f\u574f\u65f6\uff0c\u7cfb\u7edf\u53ef\u4ee5\u6839\u636e\u540c\u4e00\u6761\u5e26\u7684\u5176\u4ed6\u6570\u636e\u5757\u548c\u5bf9\u5e94\u7684\u6821\u9a8c\u6570\u636e\u6765\u91cd\u5efa\u635f\u574f\u7684\u6570\u636e\u3002\u4e0e\u5176\u4ed6 RAID \u7b49\u7ea7\u4e00\u6837\uff0c\u91cd\u5efa\u6570\u636e\u65f6\uff0c RAID5 \u7684\u6027\u80fd\u4f1a\u53d7\u5230\u8f83\u5927\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000RAID5 \u517c\u987e\u5b58\u50a8\u6027\u80fd\u3001\u6570\u636e\u5b89\u5168\u548c\u5b58\u50a8\u6210\u672c\u7b49\u5404\u65b9\u9762\u56e0\u7d20\uff0c\u5b83\u53ef\u4ee5\u7406\u89e3\u4e3a RAID0 \u548c RAID1 \u7684\u6298\u4e2d\u65b9\u6848\uff0c\u662f\u76ee\u524d\u7efc\u5408\u6027\u80fd\u6700\u4f73\u7684\u6570\u636e\u4fdd\u62a4\u89e3\u51b3\u65b9\u6848\u3002 RAID5 \u57fa\u672c\u4e0a\u53ef\u4ee5\u6ee1\u8db3\u5927\u90e8\u5206\u7684\u5b58\u50a8\u5e94\u7528\u9700\u6c42\uff0c\u6570\u636e\u4e2d\u5fc3\u5927\u591a\u91c7\u7528\u5b83\u4f5c\u4e3a\u5e94\u7528\u6570\u636e\u7684\u4fdd\u62a4\u65b9\u6848\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe7 RAID5 \uff1a\u5e26\u5206\u6563\u6821\u9a8c\u7684\u6570\u636e\u6761\u5e26<\/p>\n\n\n\n

7.RAID6<\/strong><\/p>\n\n\n\n

\u3000\u3000\u524d\u9762\u6240\u8ff0\u7684\u5404\u4e2a RAID \u7b49\u7ea7\u90fd\u53ea\u80fd\u4fdd\u62a4\u56e0\u5355\u4e2a\u78c1\u76d8\u5931\u6548\u800c\u9020\u6210\u7684\u6570\u636e\u4e22\u5931\u3002\u5982\u679c\u4e24\u4e2a\u78c1\u76d8\u540c\u65f6\u53d1\u751f\u6545\u969c\uff0c\u6570\u636e\u5c06\u65e0\u6cd5\u6062\u590d\u3002 RAID6 \uff08\u5982\u56fe 8 \uff09\u5f15\u5165\u53cc\u91cd\u6821\u9a8c\u7684\u6982\u5ff5\uff0c\u5b83\u53ef\u4ee5\u4fdd\u62a4\u9635\u5217\u4e2d\u540c\u65f6\u51fa\u73b0\u4e24\u4e2a\u78c1\u76d8\u5931\u6548\u65f6\uff0c\u9635\u5217\u4ecd\u80fd\u591f\u7ee7\u7eed\u5de5\u4f5c\uff0c\u4e0d\u4f1a\u53d1\u751f\u6570\u636e\u4e22\u5931\u3002 RAID6 \u7b49\u7ea7\u662f\u5728 RAID5 \u7684\u57fa\u7840\u4e0a\u4e3a\u4e86\u8fdb\u4e00\u6b65\u589e\u5f3a\u6570\u636e\u4fdd\u62a4\u800c\u8bbe\u8ba1\u7684\u4e00\u79cd RAID \u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u79cd\u6269\u5c55\u7684 RAID5 \u7b49\u7ea7\u3002<\/p>\n\n\n\n

\u3000\u3000RAID6 \u4e0d\u4ec5\u8981\u652f\u6301\u6570\u636e\u7684\u6062\u590d\uff0c\u8fd8\u8981\u652f\u6301\u6821\u9a8c\u6570\u636e\u7684\u6062\u590d\uff0c\u56e0\u6b64\u5b9e\u73b0\u4ee3\u4ef7\u5f88\u9ad8\uff0c\u63a7\u5236\u5668\u7684\u8bbe\u8ba1\u4e5f\u6bd4\u5176\u4ed6\u7b49\u7ea7\u66f4\u590d\u6742\u3001\u66f4\u6602\u8d35\u3002 RAID6 \u601d\u60f3\u6700\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\u662f\u91c7\u7528\u4e24\u4e2a\u72ec\u7acb\u7684\u6821\u9a8c\u7b97\u6cd5\uff0c\u5047\u8bbe\u79f0\u4e3a P \u548c Q \uff0c\u6821\u9a8c\u6570\u636e\u53ef\u4ee5\u5206\u522b\u5b58\u50a8\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u6821\u9a8c\u76d8\u4e0a\uff0c\u6216\u8005\u5206\u6563\u5b58\u50a8\u5728\u6240\u6709\u6210\u5458\u78c1\u76d8\u4e2d\u3002\u5f53\u4e24\u4e2a\u78c1\u76d8\u540c\u65f6\u5931\u6548\u65f6\uff0c\u5373\u53ef\u901a\u8fc7\u6c42\u89e3\u4e24\u5143\u65b9\u7a0b\u6765\u91cd\u5efa\u4e24\u4e2a\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000RAID6 \u5177\u6709\u5feb\u901f\u7684\u8bfb\u53d6\u6027\u80fd\u3001\u66f4\u9ad8\u7684\u5bb9\u9519\u80fd\u529b\u3002\u4f46\u662f\uff0c\u5b83\u7684\u6210\u672c\u8981\u9ad8\u4e8e RAID5 \u8bb8\u591a\uff0c\u5199\u6027\u80fd\u4e5f\u8f83\u5dee\uff0c\u5e76\u6709\u8bbe\u8ba1\u548c\u5b9e\u65bd\u975e\u5e38\u590d\u6742\u3002\u56e0\u6b64\uff0c RAID6 \u5f88\u5c11\u5f97\u5230\u5b9e\u9645\u5e94\u7528\uff0c\u4e3b\u8981\u7528\u4e8e\u5bf9\u6570\u636e\u5b89\u5168\u7b49\u7ea7\u8981\u6c42\u975e\u5e38\u9ad8\u7684\u573a\u5408\u3002\u5b83\u4e00\u822c\u662f\u66ff\u4ee3 RAID10 \u65b9\u6848\u7684\u7ecf\u6d4e\u6027\u9009\u62e9\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe8 RAID6 \uff1a\u5e26\u53cc\u91cd\u5206\u6563\u6821\u9a8c\u7684\u6570\u636e\u6761\u5e26<\/p>\n\n\n\n

4.3 RAID \u7ec4\u5408\u7b49\u7ea7<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6807\u51c6 RAID \u7b49\u7ea7\u5404\u6709\u4f18\u52bf\u548c\u4e0d\u8db3\u3002\u81ea\u7136\u5730\uff0c\u6211\u4eec\u60f3\u5230\u628a\u591a\u4e2a RAID \u7b49\u7ea7\u7ec4\u5408\u8d77\u6765\uff0c\u5b9e\u73b0\u4f18\u52bf\u4e92\u8865\uff0c\u5f25\u8865\u76f8\u4e92\u7684\u4e0d\u8db3\uff0c\u4ece\u800c\u8fbe\u5230\u5728\u6027\u80fd\u3001\u6570\u636e\u5b89\u5168\u6027\u7b49\u6307\u6807\u4e0a\u66f4\u9ad8\u7684 RAID \u7cfb\u7edf\u3002\u76ee\u524d\u5728\u4e1a\u754c\u548c\u5b66\u672f\u7814\u7a76\u4e2d\u63d0\u5230\u7684 RAID \u7ec4\u5408\u7b49\u7ea7\u4e3b\u8981\u6709 RAID00 \u3001 RAID01 \u3001 RAID10 \u3001 RAID100 \u3001 RAID30 \u3001 RAID50 \u3001 RAID53 \u3001 RAID60 \uff0c\u4f46\u5b9e\u9645\u5f97\u5230\u8f83\u4e3a\u5e7f\u6cdb\u5e94\u7528\u7684\u53ea\u6709 RAID01 \u548c RAID10 \u4e24\u4e2a\u7b49\u7ea7\u3002\u5f53\u7136\uff0c\u7ec4\u5408\u7b49\u7ea7\u7684\u5b9e\u73b0\u6210\u672c\u4e00\u822c\u90fd\u975e\u5e38\u6602\u8d35\uff0c\u53ea\u662f\u5728 \u5c11\u6570\u7279\u5b9a\u573a\u5408\u5e94\u7528\u3002 [12]<\/p>\n\n\n\n

1.RAID00<\/strong><\/p>\n\n\n\n

\u3000\u3000\u7b80\u5355\u5730\u8bf4\uff0c RAID00 \u662f\u7531\u591a\u4e2a\u6210\u5458 RAID0 \u7ec4\u6210\u7684\u9ad8\u7ea7 RAID0 \u3002\u5b83\u4e0e RAID0 \u7684\u533a\u522b\u5728\u4e8e\uff0c RAID0 \u9635\u5217\u66ff\u6362\u4e86\u539f\u5148\u7684\u6210\u5458\u78c1\u76d8\u3002\u53ef\u4ee5\u628a RAID00 \u7406\u89e3\u4e3a\u4e24\u5c42\u6761\u5e26\u5316\u7ed3\u6784\u7684\u78c1\u76d8\u9635\u5217\uff0c\u5373\u5bf9\u6761\u5e26\u518d\u8fdb\u884c\u6761\u5e26\u5316\u3002\u8fd9\u79cd\u9635\u5217\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5927\u7684\u5b58\u50a8\u5bb9\u91cf\u3001\u66f4\u9ad8\u7684 I\/O \u6027\u80fd\u548c\u66f4\u597d\u7684 I\/O \u8d1f\u5747\u8861\u3002<\/p>\n\n\n\n

2. RAID01 \u548c RAID10<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e00\u4e9b\u6587\u732e\u628a\u8fd9\u4e24\u79cd RAID \u7b49\u7ea7\u770b\u4f5c\u662f\u7b49\u540c\u7684\uff0c\u672c\u6587\u8ba4\u4e3a\u662f\u4e0d\u540c\u7684\u3002 RAID01 \u662f\u5148\u505a\u6761\u5e26\u5316\u518d\u4f5c\u955c\u50cf\uff0c\u672c\u8d28\u662f\u5bf9\u7269\u7406\u78c1\u76d8\u5b9e\u73b0\u955c\u50cf\uff1b\u800c RAID10 \u662f\u5148\u505a\u955c\u50cf\u518d\u4f5c\u6761\u5e26\u5316\uff0c\u662f\u5bf9\u865a\u62df\u78c1\u76d8\u5b9e\u73b0\u955c\u50cf\u3002\u76f8\u540c\u7684\u914d\u7f6e\u4e0b\uff0c\u901a\u5e38 RAID01 \u6bd4 RAID10 \u5177\u6709\u66f4\u597d\u7684\u5bb9\u9519\u80fd\u529b\uff0c\u539f\u7406\u5982\u56fe 9 \u6240\u793a\u3002<\/p>\n\n\n\n

\u3000\u3000RAID01 \u517c\u5907\u4e86 RAID0 \u548c RAID1 \u7684\u4f18\u70b9\uff0c\u5b83\u5148\u7528\u4e24\u5757\u78c1\u76d8\u5efa\u7acb\u955c\u50cf\uff0c\u7136\u540e\u518d\u5728\u955c\u50cf\u5185\u90e8\u505a\u6761\u5e26\u5316\u3002 RAID01 \u7684\u6570\u636e\u5c06\u540c\u65f6\u5199\u5165\u5230\u4e24\u4e2a\u78c1\u76d8\u9635\u5217\u4e2d\uff0c\u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u9635\u5217\u635f\u574f\uff0c\u4ecd\u53ef\u7ee7\u7eed\u5de5\u4f5c\uff0c\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\u6027\u7684\u540c\u65f6\u53c8\u63d0\u9ad8\u4e86\u6027\u80fd\u3002 RAID01 \u548c RAID10 \u5185\u90e8\u90fd\u542b\u6709 RAID1 \u6a21\u5f0f\uff0c\u56e0\u6b64\u6574\u4f53\u78c1\u76d8\u5229\u7528\u7387\u5747\u4ec5\u4e3a 50% \u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n
\"RAID\"\/<\/figure><\/div>\n\n\n\n



\u56fe 9 \u5178\u578b\u7684 RAID01 \uff08\u4e0a\uff09\u548c RAID10 \uff08\u4e0b\uff09\u6a21\u578b<\/p>\n\n\n\n

3.RAID100<\/strong><\/p>\n\n\n\n

\u3000\u3000\u901a\u5e38\u770b\u4f5c RAID 1+0+0 \uff0c\u6709\u65f6\u4e5f\u79f0\u4e3a RAID 10+0 \uff0c\u5373\u6761\u5e26\u5316\u7684 RAID10 \u3002\u539f\u7406\u5982\u56fe 10 \u6240\u793a\u3002 RAID100 \u7684\u7f3a\u9677\u4e0e RAID10 \u76f8\u540c\uff0c\u4efb\u610f\u4e00\u4e2a RAID1 \u635f\u574f\u4e00\u4e2a\u78c1\u76d8\u4e0d\u4f1a\u53d1\u751f\u6570\u636e\u4e22\u5931\uff0c\u4f46\u662f\u5269\u4e0b\u7684\u78c1\u76d8\u5b58\u5728\u5355\u70b9\u6545\u969c\u7684\u5371\u9669\u3002\u6700\u9876\u5c42\u7684 RAID0 \uff0c\u5373\u6761\u5e26\u5316\u4efb\u52a1\uff0c\u901a\u5e38\u7531\u8f6f\u4ef6\u5c42\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u3000\u3000RAID100 \u7a81\u7834\u4e86\u5355\u4e2a RAID \u63a7\u5236\u5668\u5bf9\u7269\u7406\u78c1\u76d8\u6570\u91cf\u7684\u9650\u5236\uff0c\u53ef\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684 I\/O \u8d1f\u8f7d\u5747\u8861\uff0c I\/O \u538b\u529b\u5206\u6563\u5230\u66f4\u591a\u7684\u78c1\u76d8\u4e0a\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u968f\u673a\u8bfb\u6027\u80fd\uff0c\u5e76\u6709\u6548\u964d\u4f4e\u70ed\u70b9\u76d8\u6545\u969c\u98ce\u9669\u3002\u56e0\u6b64\uff0c RAID100 \u901a\u5e38\u662f\u5927\u6570\u636e\u5e93\u7684\u6700\u4f73\u9009\u62e9\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe10 \u5178\u578b\u7684 RAID100 \u6a21\u578b<\/p>\n\n\n\n

4.RAID30 \uff08 RAID53 \uff09\u3001 RAID50 \u548c RAID60<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8fd9\u4e09\u79cd RAID \u7b49\u7ea7\u4e0e RAID00 \u539f\u7406\u57fa\u672c\u76f8\u540c\uff0c\u533a\u522b\u5728\u4e8e\u6210\u5458 \u201c \u78c1\u76d8 \u201d \u6362\u6210\u4e86 RAID3 \u3001 RAID5 \u548c RAID6 \uff0c\u5206\u522b\u5982\u56fe 11 \u3001 12 \u3001 13 \u6240\u793a\u3002\u5176\u4e2d\uff0c RAID30 \u901a\u5e38\u53c8\u88ab\u79f0\u4e3a RAID53[13] \u3002\u5176\u5b9e\uff0c\u53ef\u628a\u8fd9\u4e9b\u7b49\u7ea7 RAID \u7edf\u79f0\u4e3a RAID X0 \u7b49\u7ea7\uff0c X \u53ef\u4e3a\u6807\u51c6 RAID \u7b49\u7ea7\uff0c\u751a\u81f3\u7ec4\u5408\u7b49\u7ea7\uff08\u5982 RAID100 \uff09\u3002\u5229\u7528\u591a\u5c42 RAID \u914d\u7f6e\uff0c\u5145\u5206\u5229\u7528 RAID X \u4e0e RAID0 \u7684\u4f18\u70b9\uff0c\u4ece\u800c\u83b7\u5f97\u5728\u5b58\u50a8\u5bb9\u91cf\u3001\u6570\u636e\u5b89\u5168\u6027\u548c I\/O \u8d1f\u8f7d\u5747\u8861\u7b49\u65b9\u9762\u7684\u5927\u5e45\u6027\u80fd\u63d0\u5347\u3002<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe11 \u5178\u578b\u7684 RAID50 \u6a21\u578b<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe12 \u5178\u578b\u7684 RAID50 \u6a21\u578b<\/p>\n\n\n\n

\"RAID\"\/<\/figure><\/div>\n\n\n\n


\u56fe13 \u5178\u578b\u7684 RAID60 \u6a21\u578b<\/p>\n\n\n\n

4.4 \u975e\u6807\u51c6 RAID \u7b49\u7ea7<\/strong><\/p>\n\n\n\n

\u3000\u3000\u867d\u7136\u6807\u51c6 RAID \u548c\u7ec4\u5408 RAID \u5728\u5177\u4f53\u5b9e\u73b0\u4e0a\u5b58\u5728\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4e0d\u540c\uff0c\u4f46\u4e0e\u6807\u51c6\u89c4\u8303\u662f\u4fdd\u6301\u4e00\u81f4\u6216\u517c\u5bb9\u7684\u3002\u7136\u800c\u9664\u6b64\u4e4b\u5916\uff0c\u4e00\u4e9b\u5b58\u50a8\u5382\u5546\u8fd8\u5b9e\u73b0\u4e86\u975e\u6807\u51c6\u7684 RAID \u7b49\u7ea7\uff0c\u5f80\u5f80\u90fd\u662f\u516c\u53f8\u79c1\u6709\u7684\u4ea7\u54c1\u3002\u8fd9\u91cc\u7b80\u5355\u4ecb\u7ecd\u51e0\u4e2a\u975e\u6807\u51c6 RAID \u7b49\u7ea7\u3002 [14]<\/p>\n\n\n\n

1.RAID7<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID7 \u7684\u5168\u79f0\u662f\u6700\u4f18\u5316\u7684\u5f02\u6b65\u9ad8 I\/O \u901f\u7387\u548c\u9ad8\u6570\u636e\u4f20\u8f93\u7387\uff0c\u5b83\u4e0e\u5176\u4ed6 RAID \u7b49\u7ea7\u6709\u7740\u660e\u663e\u533a\u522b\u3002\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u79cd\u6280\u672f\uff0c\u5b83\u8fd8\u662f\u4e00\u4e2a\u72ec\u7acb\u5b58\u50a8\u8ba1\u7b97\u673a\uff0c\u81ea\u8eab\u5e26\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u7ba1\u7406\u5de5\u5177\uff0c\u5b8c\u5168\u53ef\u4ee5\u72ec\u7acb\u8fd0\u884c\u3002<\/p>\n\n\n\n

\u3000\u3000RAID7 \u7684\u5b58\u50a8\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u5957\u5b9e\u65f6\u4e8b\u4ef6\u9a71\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u4e3b\u8981\u7528\u6765\u8fdb\u884c\u7cfb\u7edf\u521d\u59cb\u5316\u548c\u5b89\u6392 RAID7 \u78c1\u76d8\u9635\u5217\u7684\u6240\u6709\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u628a\u5b83\u4eec\u8f6c\u6362\u5230\u76f8\u5e94\u7684\u7269\u7406\u5b58\u50a8\u9a71\u52a8\u5668\u4e0a\u3002 RAID7 \u901a\u8fc7\u81ea\u8eab\u7cfb\u7edf\u4e2d\u7684\u4e13\u7528\u63a7\u5236\u677f\u6765\u63a7\u5236\u8bfb\u5199\u901f\u5ea6\uff0c\u5b58\u50a8\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4f7f\u4e3b\u673a I\/O \u4f20\u9012\u6027\u80fd\u8fbe\u5230\u6700\u4f73\u3002\u5982\u679c\u4e00\u4e2a\u78c1\u76d8\u51fa\u73b0\u6545\u969c\uff0c RAID7 \u8fd8\u80fd\u591f\u81ea\u52a8\u6267\u884c\u6062\u590d\u64cd\u4f5c\uff0c\u5e76\u53ef\u7ba1\u7406\u5907\u4efd\u78c1\u76d8\u7684\u91cd\u5efa\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

\u3000\u3000RAID7 \u7a81\u7834\u4e86\u4ee5\u5f80 RAID \u6807\u51c6\u7684\u6280\u672f\u67b6\u6784\uff0c\u91c7\u7528\u4e86\u975e\u540c\u6b65\u8bbf\u95ee\uff0c\u6781\u5927\u5730\u51cf\u8f7b\u4e86\u6570\u636e\u5199\u74f6\u9888\uff0c\u63d0\u9ad8\u4e86 I\/O \u901f\u5ea6\u3002 RAID7 \u7cfb\u7edf\u5185\u7f6e\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u8fd8\u53ef\u81ea\u52a8\u5bf9\u4e3b\u673a\u53d1\u9001\u8fc7\u6765\u7684\u8bfb\u5199\u6307\u4ee4\u8fdb\u884c\u4f18\u5316\u5904\u7406\uff0c\u4ee5\u667a\u80fd\u5316\u65b9\u5f0f\u5c06\u53ef\u80fd\u88ab\u8bfb\u53d6\u7684\u6570\u636e\u9884\u5148\u8bfb\u5165\u5feb\u901f\u7f13\u5b58\u4e2d\uff0c\u4ece\u800c\u5927\u5927\u51cf\u5c11\u4e86\u78c1\u5934\u7684\u8f6c\u52a8\u6b21\u6570\uff0c\u63d0\u9ad8\u5b58\u50a8\u7cfb\u7edf\u7684 I\/O \u901f\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000RAID7 \u53ef\u5e2e\u52a9\u7528\u6237\u6709\u6548\u5730\u7ba1\u7406\u65e5\u76ca\u5e9e\u5927\u7684\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u5e76\u4f7f\u7cfb\u7edf\u7684\u8fd0\u884c\u6548\u7387\u5927\u5927\u63d0\u9ad8\uff0c\u6ee1\u8db3\u4e0d\u540c\u7528\u6237\u7684\u5b58\u50a8\u9700\u6c42\u3002\u4f46\u662f\uff0c RAID7 \u7684\u6210\u672c\u6bd4\u5176\u4ed6 RAID \u7b49\u7ea7\u8981\u9ad8\u8bb8\u591a\u3002\u53e6\u5916\uff0c RAID7 \u5df2\u88ab\u67d0\u516c\u53f8\u6ce8\u518c\u4e3a\u5546\u6807\uff0c\u76ee\u524d\u4ec5\u6709\u4e00\u5bb6\u516c\u53f8\u63d0\u4f9b RAID7 \u7684\u4ea7\u54c1\uff0c\u7528\u6237\u6ca1\u6709\u66f4\u591a\u7684\u9009\u62e9\u3002\u6280\u672f\u5c01\u95ed\uff0c\u7f3a\u4e4f\u4e3b\u6d41\u4e13\u4e1a\u5b58\u50a8\u5382\u5546\u7684\u53c2\u4e0e\u548c\u7814\u53d1\u4e25\u91cd\u5236\u7ea6\u4e86 RAID7 \u7684\u53d1\u5c55\u3002<\/p>\n\n\n\n

2.RAID-DP<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6309\u7167 SNIA \u6700\u65b0\u7684 RAID6 \u5b9a\u4e49 [15] \uff0c\u53cc\u91cd\u6570\u636e\u6821\u9a8c\u7684\u78c1\u76d8\u9635\u5217\u90fd\u53ef\u5f52\u4e3a RAID6 \u7b49\u7ea7\u3002 NetApp \u516c\u53f8\u6309\u7167 RAID6 \u7684\u5b9a\u4e49\u5b9e\u73b0\u4e86 RAID-DP \uff0c\u4f7f\u7528\u53cc\u91cd\u7684\u6570\u636e\u6821\u9a8c\u6765\u4fdd\u62a4\u6570\u636e\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u4e24\u5757\u78c1\u76d8\u540c\u65f6\u635f\u574f\u7684\u60c5\u51b5\u4e0b\u4e0d\u53d1\u751f\u6570\u636e\u4e22\u5931\u3002\u4e0e\u8be5\u516c\u53f8\u7684 RAID4 \u5b9e\u73b0\u5bf9\u6bd4\uff0c\u4f20\u7edf\u7684 RAID6 \u5b9e\u73b0\u4f1a\u81f4\u4f7f\u7cfb\u7edf\u6027\u80fd\u635f\u5931 30% \u5de6\u53f3\uff0c\u800c RAID-DP \u7684\u6027\u80fd\u4e0b\u964d\u4f4e\u4e8e 2% \u3002\u4e0a\u5c42\u6587\u4ef6\u7cfb\u7edf\u7684\u8bf7\u6c42\u9996\u5148\u5199\u5165\u540e\u7aef\u7684 NVRAM \u4e2d\uff0c\u786e\u4fdd\u5373\u4f7f\u5728 \u6389\u7535\u7684\u60c5\u51b5\u4e0b\u4e5f\u4e0d\u4f1a\u6709\u4efb\u4f55\u6570\u636e\u4e22\u5931\u3002\u56e0\u6b64\uff0c\u6570\u636e\u5757\u4e0d\u4f1a\u7acb\u5373\u66f4\u65b0\uff0c\u5f53\u6267\u884c\u65b0\u6765\u7684\u5199\u64cd\u4f5c\uff0c\u4f1a\u5bf9\u5199\u64cd\u4f5c\u8fdb\u884c\u805a\u96c6\uff0c\u7136\u540e\u5b58\u50a8\u63a7\u5236\u5668\u5c1d\u8bd5\u4e00\u6b21\u6027\u5199\u5165\u5305\u62ec\u6821\u9a8c\u6570\u636e\u5728\u5185\u7684\u6574\u4e2a\u6570\u636e\u6761\u5e26\u3002 RAID-DP \u63d0\u4f9b\u4e86\u6bd4 RAID10 \u66f4\u597d\u7684\u6570\u636e\u4fdd\u62a4\uff0c\u6027\u80fd\u5374\u4e0d\u4f4e\u4e8e RAID10 \u3002\u5bf9\u4e8e\u76f8\u540c\u5927\u5c0f\u7684 RAID \u7ec4\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c RAID-DP \u6ca1\u6709\u53d7\u5230\u4f20\u7edf RAID6 \u5373\u65f6\u66f4\u65b0\u6570\u636e\u5757\u7684\u6311\u6218\uff0c\u5e76\u63d0\u4f9b\u66f4\u591a\u7684\u78c1\u76d8\u8fdb\u884c\u8bfb\u5199\u3002\u5b83\u751a\u81f3\u5141\u8bb8\u78c1\u76d8\u56fa\u4ef6\u5b9e\u65f6\u66f4\u65b0\u800c\u4e0d\u53d1\u751f\u4efb\u4f55\u4e2d\u65ad\u3002<\/p>\n\n\n\n

3.RAID1.5<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8fd9\u662f HighPoint \u516c\u53f8\u7684 RAID \u4ea7\u54c1\uff0c\u6709\u65f6\u4e5f\u88ab\u9519\u8bef\u5730\u79f0\u4e3a RAID15 \u3002 RAID1.5 \u4ec5\u4f7f\u7528\u4e24\u4e2a\u78c1\u76d8\u9a71\u52a8\u5668\u540c\u65f6\u8fdb\u884c\u6570\u636e\u6761\u5e26\u5316\u548c\u955c\u50cf\uff0c\u6570\u636e\u53ef\u4ee5\u540c\u65f6\u4ece\u4e24\u5757\u78c1\u76d8\u8fdb\u884c\u8bfb\u53d6\u3002\u8fd9\u5176\u4e2d\u7684\u5927\u90e8\u5206\u5de5\u4f5c\u90fd\u7531\u786c\u4ef6\u6765\u5b8c\u6210\uff0c\u800c\u975e\u9a71\u52a8\u7a0b\u5e8f\u3002 Linux \u3001 Solaris \u7b49\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0\u7684 RAID1 \u4e5f\u53ef\u4ee5\u5b9e\u73b0\u540c\u65f6\u4ece\u4e24\u5757\u78c1\u76d8\u8fdb\u884c\u8bfb\u53d6\u6570\u636e\uff0c\u56e0\u6b64 RAID1.5 \u5e76\u4e0d\u4f18\u4e8e\u4f20\u7edf\u7684\u3000RAID1\u3002<\/p>\n\n\n\n

4. RAID5E \u3001 RAID5EE \u548c RAID6E<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8fd9\u79cd\u6982\u5ff5\u9996\u6b21\u5728 IBM ServerRAID \u4e2d\u88ab\u63d0\u51fa\uff0c E \u662f Enhanced \u7684\u9996\u5b57\u6bcd\u3002\u5b83\u4eec\u5206\u522b\u662f\u5bf9 RAID5 \u548c RAID6 \u7684\u589e\u5f3a\uff0c\u589e\u52a0\u4e86\u70ed\u5197\u4f59\u78c1\u76d8\u9a71\u52a8\u5668\uff0c\u5197\u4f59\u78c1\u76d8\u4e0e\u5176\u4ed6\u78c1\u76d8\u4e00\u5757\u8fdb\u884c\u6570\u636e\u5757\u7f16\u6392\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97 I\/O \u53ef\u4ee5\u5206\u6563\u5230\u5305\u62ec\u70ed\u5197\u4f59\u5728\u5185\u7684\u6240\u5728\u78c1\u76d8\uff0c\u4ece\u800c\u51cf\u5c0f\u5355\u5757\u78c1\u76d8\u7684 I\/O \u5e26\u5bbd\uff0c \u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u70ed\u5197\u4f59\u78c1\u76d8\u4e0d\u80fd\u591f\u88ab\u591a\u4e2a\u9635\u5217\u5171\u4eab\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u73b0\u4e2d\uff0c\u5b9e\u9645\u4e0a\u4e0d\u5b58\u5728\u4e13\u7528\u7684\u70ed\u5197\u4f59\u78c1\u76d8\uff0c\u5c31\u50cf RAID5 \u548c RAID6 \u4e2d\u6ca1\u6709\u4e13\u7528\u7684\u6821\u9a8c\u78c1\u76d8\u4e00\u6837\uff0c\u6240\u6709\u7684\u5197\u4f59\u6570\u636e\u5757\u5206\u5e03\u5728\u6240\u7684\u6210\u5458\u78c1\u76d8\u4e2d\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a 10 \u5757\u78c1\u76d8\u7684 RAID5E \uff0c\u5305\u62ec 80% \u6570\u636e\u5757\u3001 10% \u7684\u5197\u4f59\u6570\u636e\u5757\u548c 10% \u7684\u6821\u9a8c\u6570\u636e\u3002\u5bf9\u4e8e RAID5E \u548c RAID6E \uff0c\u5197\u4f59\u6570\u636e\u5757\u4f4d\u4e8e\u9635\u5217\u5c3e\u90e8\uff0c\u800c RAID5EE \u5219\u5206\u5e03\u5728\u6574\u4e2a RAID \u4e2d\u3002\u5982\u679c RAID5E\/5EE \u4e2d\u53d1\u751f\u4e00\u5757\u78c1\u76d8\u635f\u574f\uff0c\u5219\u7cfb\u7edf\u4f1a\u81ea\u52a8\u964d\u7ea7\u5e76\u91cd\u5efa\u81f3\u6807\u51c6\u7684 RAID5 \u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0c I\/O \u64cd\u4f5c\u975e\u5e38\u5bc6\u96c6\uff0c\u5e76\u4e14\u9700\u8981\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\uff0c\u4ece\u51e0\u4e2a\u5c0f\u65f6\u81f3\u751a\u81f3\u51e0\u5929\uff0c\u6839\u636e\u9635\u5217\u7684\u5177\u4f53\u914d\u7f6e\u800c\u5f02\u3002\u5f53\u635f\u574f\u78c1\u76d8\u88ab\u66ff\u6362\u540e\uff0c\u7cfb\u7edf\u5219\u53c8\u4f1a\u81ea\u52a8\u5347\u7ea7\u5e76\u91cd\u5efa\u81f3\u539f\u5148\u7684 RAID5E\/5EE \uff0c\u540c\u65f6\u975e\u5e38\u8017\u65f6\u3002\u5728\u4e0a\u9762\u7684\u91cd\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u6ca1\u6709\u5197\u4f59\u4fdd\u62a4\u3002\u7531\u4e8e\u7cfb\u7edf\u5347\u7ea7\u548c\u964d\u7ea7\u65f6\uff0c I\/O \u6d3b\u52a8\u5bc6\u96c6\u4e14\u6240\u9700\u65f6\u95f4\u8fc7\u957f\uff0c\u56e0\u6b64\u5b9e\u9645\u5e94\u7528\u4e2d\u6210\u5458\u78c1\u76d8\u6570\u636e\u9650\u5236\u5728 4~8 \u5757\u3002\u4e00\u65e6\u8d85\u8fc7 8 \u5757\u78c1\u76d8\uff0c\u7531\u4e8e\u635f\u574f\u78c1\u76d8\u7684\u91cd\u5efa\u8017\u65f6\u548c\u91cd\u5efa\u4e2d\u53d1\u751f\u7b2c\u4e8c\u5757\u78c1\u76d8\u635f\u574f\u9020\u6210\u7684\u6570\u636e\u4e22\u5931\uff0c RAID5E\/5EE \u6240\u83b7\u5f97\u7684\u6027\u80fd\u63d0\u5347\u548c\u5176\u4ed6\u83b7\u76ca\u90fd\u5c06\u4e25\u91cd\u964d\u4f4e\u3002<\/p>\n\n\n\n

5.RAID S (Parity RAID)<\/strong><\/p>\n\n\n\n

\u3000\u3000 RAID S \u662f EMC \u516c\u53f8\u7684 Symmetrix \u5b58\u50a8\u7cfb\u7edf\u6240\u4f7f\u7528\u7684\u6761\u5e26\u5316\u6821\u9a8c RAID \u3002\u8be5\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u5377\u4f4d\u4e8e\u5355\u72ec\u7684\u7269\u7406\u78c1\u76d8\u4e0a\uff0c\u591a\u4e2a\u5377\u7ec4\u5408\u8fdb\u884c\u6570\u636e\u6821\u9a8c\u3002 EMC \u6700\u65e9\u5f15\u5165\u4e86 RAID S \u6982\u5ff5\uff0c\u540e\u6765\u6539\u540d\u4e3a Parity RAID \u5e76\u5e94\u7528\u4e8e Symmetrix DMX \u5e73\u53f0\u3002 EMC \u73b0\u5728\u4e5f\u4e3a Symmetrix DMX \u63d0\u4f9b\u6807\u51c6\u7684 RAID5 \uff0c RAID S \u5df2\u7ecf\u4e0d\u518d EMC \u4ea7\u54c1\u4e2d\u4f7f\u7528\u3002<\/p>\n\n\n\n

6.Intel Matrix RAID<\/strong><\/p>\n\n\n\n

\u3000\u3000 Matrix RAID \u662f Intel ICH6R \u548c\u540e\u7ee7\u7684\u5357\u6865\u82af\u7247\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u5f81\uff0c\u53ef\u4ee5\u901a\u8fc7 RAID BIOS<\/a> \u8fdb\u884c\u8bbf\u95ee\u3002\u5b83\u4f7f\u7528\u4e24\u5757\u78c1\u76d8\u6216\u8005\u63a7\u5236\u5668\u80fd\u652f\u6301\u7684\u6700\u591a\u78c1\u76d8\uff0c\u5b83\u7684\u663e\u8457\u7279\u5f81\u662f\u5141\u8bb8 RAID0 \u3001 1 \u3001 5 \u3001 10 \u591a\u79cd\u6570\u636e\u5377\u6df7\u5408\u5171\u5b58\uff0c\u6bcf\u5757\u78c1\u76d8\u7684\u6307\u5b9a\u90e8\u5206\u5206\u914d\u7ed9\u76f8\u5e94\u7684 RAID \u5377\u3002 Matrix RAID \u4e3b\u8981\u7528\u4e8e\u6539\u5584\u6027\u80fd\u548c\u6570\u636e\u5b8c\u6574\u6027\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u4ee5\u5c06\u64cd\u4f5c\u7cfb\u7edf\u5e94\u7528\u4e8e\u5c0f\u7684 RAID0 \uff0c\u800c\u5927\u7684 RAID1 \u5b58\u50a8\u5173\u952e\u6570\u636e\u4ee5\u53ca\u7528\u6237\u6570\u636e\u3002\u6d77\u91cf\u7684\u6d41\u5a92\u4f53\u6570\u636e\u5bb9\u6613\u53d1\u751f\u6570\u636e\u4e22\u5931\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u8fd9\u79cd RAID \u3002 linux \u7684 MD RAID \u4e5f\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

7.Linux MD RAID 10<\/strong><\/p>\n\n\n\n

\u3000\u3000RAID 10 \u662f Linux \u5185\u6838\u6240\u652f\u6301\u7684\u8f6f RAID \u7b49\u7ea7\u4e4b\u4e00\uff0c\u5b83\u8fd8\u652f\u6301 RAID0\u30011\u30013\u30014\u30015\u30016 \u7b49\u7ea7\u522b\u3002\u8f6f RAID \u9a71\u52a8\u7a0b\u5e8f\u901a\u5e38\u901a\u8fc7\u6784\u9020\u5178\u578b\u7684 RAID1+0 \u9635\u5f00\u6765\u5b9e\u73b0 RAID10 \uff0c 2.6.9 \u4ee5\u540e\u7684\u5185\u6838\u4e5f\u53ef\u4f5c\u4e3a\u5355\u72ec\u7684\u7ea7\u522b\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\u3000\u3000MD RAID10 \u652f\u6301\u91cd\u590d\u6570\u636e\u5757\u7684\u8fd1\u5e03\u5c40\u548c\u8fdc\u5e03\u5c40\u4e24\u79cd\u6a21\u5f0f\u3002\u8fd1\u5e03\u5c40\u4e0e\u6807\u51c6 RAID10 \u76f8\u540c\uff0c\u955c\u50cf\u6570\u636e\u5757\u76f8\u90bb\u5b58\u50a8\u3002\u5bf9\u4e8e n \u91cd\u955c\u50cf\u7684 k \u8def\u6761\u5e26\uff0c\u4e0d\u8981\u6c42 k \u4e3a n \u7684 \u6574\u500d\u6570\u3002\u4e24\u91cd\u955c\u50cf\u76842\u30013\u30014\u8def\u6761\u5e26\u7684 MD RAID10 \u5206\u5e03\u76f8\u5f53\u4e8e RAID1 \u3001 RAID-1E \u548c RAID10 \u3002\u8fdc\u5e03\u5c40\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u78c1\u76d8\u88ab\u5212\u5206\u4e3a f \uff08 f= \u955c\u50cf\u6570\uff09\u4e2a\u6570\u636e\u5b58\u50a8\u533a\uff0c\u91cd\u590d\u6570\u636e\u5757\u76f8\u5bf9\u4e8e\u539f\u59cb\u6570\u636e\u5757\u5177\u6709\u4e00\u4e2a\u78c1\u76d8\u548c\u82e5\u5e72\u4f9d\u504f\u79fb\u7684\u8ddd\u79bb\uff0c\u5373\u4fdd\u5b58\u5728\u4e0b\u4e00\u4e2a\u78c1\u76d8\u5bf9\u5e94\u5b58\u50a8\u533a\u7684\u504f\u79fb\u4f4d\u7f6e\u3002\u8fd9\u79cd\u8bbe\u8ba1\u80fd\u591f\u63d0\u9ad8\u955c\u50cf\u9635\u5217\u7684\u6761\u5e26\u6027\u80fd\uff0c\u6709\u6548\u63d0\u9ad8\u987a\u5e8f\u548c\u968f\u673a\u8bfb\u6027\u80fd\uff0c\u4f46\u5bf9\u5199\u6027\u80fd\u6ca1\u6709\u663e\u8457\u63d0\u5347\u3002\u8bb8\u591a\u5e94\u8be5\u901a\u5e38\u5177\u6709\u8bfb\u5bc6\u96c6\u800c\u5199\u7a00\u758f\u7684\u7279\u70b9\uff0c RAID10 \u9002\u5408\u6b64\u7c7b\u6570\u636e\u5e94\u7528\u3002\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u8fd1\u5e03\u5c40\u548c\u8fdc\u5e03\u5c40\u4e24\u79cd\u6a21\u5f0f\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5c06\u6709 n * f \u4e2a\u6570\u636e\u526f\u672c\u3002<\/p>\n\n\n\n

8. IBM ServerRAID 1E<\/strong><\/p>\n\n\n\n

\u3000\u3000 IBM \u516c\u53f8\u7684 ServerRAID \u9635\u5217\u5361\u7cfb\u5217\u652f\u6301\u4efb\u610f\u6570\u91cf\u9a71\u52a8\u5668\u4e0a\u7684\u4e24\u8def\u955c\u50cf\uff0c\u591a\u4e2a\u78c1\u76d8\u5bf9\u6570\u636e\u5757\u8fdb\u884c\u8f6e\u8f6c\u955c\u50cf\u3002\u8fd9\u79cd\u914d\u7f6e\u80fd\u591f\u5bf9\u4e0d\u76f8\u90bb\u78c1\u76d8\u9a71\u52a8\u5668\u53d1\u751f\u7684\u635f\u574f\u8fdb\u884c\u5bb9\u9519\uff0c\u5176\u4ed6\u7684\u5b58\u50a8\u7cfb\u7edf\u4e5f\u652f\u6301\u8fd9\u79cd\u6a21\u5f0f\uff0c\u6bd4\u5982 SUN \u516c\u53f8\u7684 StorEdge T3 \u3002<\/p>\n\n\n\n

9.RAID-K<\/strong><\/p>\n\n\n\n

\u3000\u3000 Kaleidescape \u516c\u53f8\u5b9e\u73b0\u4e86\u4e00\u79cd\u79f0\u4e3a RAID-K[16] \u7684 RAID \u7c7b\u578b\u3002 RAID-K \u4e0e RAID4 \u76f8\u4f3c\uff0c\u4f46\u4e0d\u5bf9\u6587\u4ef6\u6570\u636e\u8fdb\u884c\u5757\u7ea7\u7684\u6761\u5e26\u5316\u5904\u7406\uff0c\u5b83\u4f01\u56fe\u5c06\u6574\u4e2a\u7535\u5f71\u6216\u97f3\u4e50\u96c6\u5408\u5b8c\u6574\u5730\u5b58\u50a8\u5728\u5355\u4e2a\u78c1\u76d8\u4e0a\u3002\u53e6\u5916\uff0c\u5b83\u7684\u5197\u4f59\u6821\u9a8c\u4fe1\u606f\u53ef\u5b58\u50a8\u5728\u591a\u4e2a\u78c1\u76d8\u4e0a\uff0c\u4ece\u800c\u9002\u5e94\u7531\u591a\u4e2a\u5bb9\u91cf\u4e0d\u540c\u7684\u78c1\u76d8\u6240\u7ec4\u6210\u7684\u903b\u8f91\u78c1\u76d8\u3002\u800c\u4e14\uff0c\u5197\u4f59\u6570\u636e\u5305\u542b\u6bd4\u6821\u9a8c\u4fe1\u606f\u66f4\u591a\u7684\u6570\u636e\uff0c\u7528\u4e8e\u83b7\u53d6\u66f4\u9ad8\u7684\u5bb9\u9519\u6027\u3002\u8fd9\u4e9b\u7279\u5f81\u53ef\u4ee5\u4e3a\u5f71\u50cf\u3001\u97f3\u4e50\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\uff0c\u589e\u52a0\u6570\u636e\u5b58\u50a8\u7684\u5b89\u5168\u6027\u3002 RAID-K \u8fd8\u53ef\u4ee5\u5141\u8bb8\u7528\u6237\u4ee5\u589e\u91cf\u65b9\u5f0f\u6269\u5145\u5b58\u50a8\u5bb9\u91cf\uff0c\u80fd\u591f\u589e\u52a0\u5bb9\u91cf\u66f4\u5927\u7684\u78c1\u76d8\uff0c\u751a\u81f3\u5b83\u8fd8\u53ef\u4ee5\u589e\u52a0\u5305\u542b\u6570\u636e\uff08\u4ec5\u9650\u5f71\u50cf\u548c\u97f3\u4e50\uff09\u7684\u78c1\u76d8\u3002 RAID-K \u4f1a\u81ea\u52a8\u628a\u8fd9\u4e9b\u78c1\u76d8\u7ec4\u5efa\u6210 RAID-K \u9635\u5217\u548c Kaleidescape \u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n

10. RAID-Z<\/strong><\/p>\n\n\n\n

\u3000\u3000 RAID-Z \u662f\u96c6\u6210\u5728 SUN \u516c\u53f8 ZFS \u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u4e0e RAID5 \u76f8\u4f3c\u7684 RAID \u6a21\u5f0f\u3002\u5229\u7528\u5199\u65f6\u590d\u5236\u7b56\u7565\uff0c RAID-Z \u907f\u514d\u4e86 RAID5 \u7684\u5199\u64cd\u4f5c\u56f0\u5883\uff08\u5373\u66f4\u65b0\u6570\u636e\u540c\u65f6\u9700\u8981\u66f4\u65b0\u6821\u9a8c\u6570\u636e\uff09\uff0c\u5b83\u4e0d\u7528\u65b0\u6570\u636e\u8986\u76d6\u65e7\u6570\u636e\uff0c\u800c\u662f\u628a\u65b0\u6570\u636e\u5199\u5230\u65b0\u4f4d\u7f6e\u5e76\u81ea\u52a8\u66f4\u65b0\u6570\u636e\u6307\u9488\u3002\u5bf9\u4e8e\u5c0f\u7684\u5199\u64cd\u4f5c\uff0c\u4ec5\u4ec5\u6267\u884c\u5b8c\u5168\u7684\u5199\u6761\u5e26\u64cd\u4f5c\uff0c\u6709\u6548\u907f\u514d \u201c \u8bfb\u53d6\uff0d\u66f4\u6539\uff0d\u5199\u56de \u201d \u7684\u64cd\u4f5c\u9700\u6c42\u3002\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u5bf9\u5c0f\u5199\u64cd\u4f5c\u4f7f\u7528\u955c\u50cf\u66ff\u6362\u6821\u9a8c\u8fdb\u884c\u4fdd\u62a4\uff0c\u56e0\u4e3a\u6587\u4ef6\u7cfb\u7edf\u4e86\u89e3\u4e0b\u5c42\u5b58\u50a8\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u5fc5\u8981\u65f6\u5206\u914d \u989d\u5916\u5b58\u50a8\u7a7a\u95f4\u3002 ZFS \u8fd8\u5b9e\u73b0\u4e86 RAID-Z2 \uff0c\u63d0\u4f9b\u7c7b\u4f3c\u4e0e RAID6 \u7684\u53cc\u91cd\u6821\u9a8c\u4fdd\u62a4\u80fd\u529b\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u4e0d\u5757\u78c1\u76d8\u53d1\u751f\u635f\u574f\u800c\u4e0d\u53d1\u751f\u6570\u636e\u4e22\u5931\u3002\u6839\u636e 2009 \u5e74 6 \u6708\u7684\u66f4\u65b0\uff0c ZFS \u52a0\u5165\u4e86\u4e09\u91cd\u6821\u9a8c RAID \u652f\u6301\uff0c\u6216\u8bb8\u79f0\u4e3a RAID-Z3 \u3002<\/p>\n\n\n\n

\u4e94\u3001\u5b9e\u73b0\u65b9\u5f0f<\/h3>\n\n\n\n

\u3000\u3000\u901a\u5e38\u8ba1\u7b97\u673a\u529f\u80fd\u65e2\u53ef\u4ee5\u7531\u786c\u4ef6\u6765\u5b9e\u73b0\uff0c\u4e5f\u53ef\u4ee5\u7531\u8f6f\u4ef6\u6765\u5b9e\u73b0\u3002\u5bf9\u4e8e RAID \u7cfb\u7edf\u800c\u8a00\uff0c\u81ea\u7136\u4e5f\u4e0d\u4f8b\u5916\uff0c\u5b83\u53ef\u4ee5\u91c7\u7528\u8f6f\u4ef6\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e5f\u53ef\u4ee5\u91c7\u7528\u786c\u4ef6\u65b9\u5f0f\u5b9e\u73b0\uff0c\u6216\u8005\u91c7\u7528\u8f6f\u786c\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u3002 [3][8]<\/p>\n\n\n\n

5.1 \u8f6f RAID<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8f6f RAID \u6ca1\u6709\u4e13\u7528\u7684\u63a7\u5236\u82af\u7247\u548c I\/O \u82af\u7247\uff0c\u5b8c\u5168\u7531\u64cd\u4f5c\u7cfb\u7edf\u548c CPU \u6765\u5b9e\u73b0\u6240\u7684 RAID \u7684\u529f\u80fd\u3002\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u57fa\u672c\u4e0a\u90fd\u63d0\u4f9b\u8f6f RAID \u652f\u6301\uff0c\u901a\u8fc7\u5728\u78c1\u76d8\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u8f6f\u4ef6\u5c42\uff0c\u63d0\u4f9b\u4e00\u4e2a\u7269\u7406\u9a71\u52a8\u5668\u4e0e\u903b\u8f91\u9a71\u52a8\u5668\u4e4b\u95f4\u7684\u62bd\u8c61\u5c42\u3002\u76ee\u524d\uff0c\u64cd\u4f5c\u7cfb\u7edf\u652f\u6301\u7684\u6700\u5e38\u89c1\u7684 RAID \u7b49\u7ea7\u6709 RAID0 \u3001 RAID1 \u3001 RAID10 \u3001 RAID01 \u548c RAID5 \u7b49\u3002\u6bd4\u5982\uff0c Windows Server \u652f\u6301 RAID0 \u3001 RAID1 \u548c RAID5 \u4e09\u79cd\u7b49\u7ea7\uff0c Linux \u652f\u6301 RAID0 \u3001 RAID1 \u3001 RAID4 \u3001 RAID5 \u3001 RAID6 \u7b49\uff0c Mac OS X Server \u3001 FreeBSD \u3001 NetBSD \u3001 OpenBSD \u3001 Solaris \u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e5f\u90fd\u652f\u6301\u76f8\u5e94\u7684 RAID \u7b49\u7ea7\u3002<\/p>\n\n\n\n

\u3000\u3000\u8f6f RAID \u7684\u914d\u7f6e\u7ba1\u7406\u548c\u6570\u636e\u6062\u590d<\/a>\u90fd\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f RAID \u6240\u6709\u4efb\u52a1\u7684\u5904\u7406\u5b8c\u5168\u7531 CPU \u6765\u5b8c\u6210\uff0c\u5982\u8ba1\u7b97\u6821\u9a8c\u503c\uff0c\u6240\u4ee5\u6267\u884c\u6548\u7387\u6bd4\u8f83\u4f4e\u4e0b\uff0c\u8fd9\u79cd\u65b9\u5f0f\u9700\u8981\u6d88\u8017\u5927\u91cf\u7684\u8fd0\u7b97\u8d44\u6e90\uff0c\u652f\u6301 RAID \u6a21\u5f0f \u8f83\u5c11\uff0c\u5f88\u96be\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u8f6f RAID \u7531\u64cd\u4f5c\u7cfb\u7edf\u6765\u5b9e\u73b0\uff0c\u56e0\u6b64\u7cfb\u7edf\u6240\u5728\u5206\u533a\u4e0d\u80fd\u4f5c\u4e3a RAID \u7684\u903b\u8f91\u6210\u5458\u78c1\u76d8\uff0c\u8f6f RAID \u4e0d\u80fd\u4fdd\u62a4\u7cfb\u7edf\u76d8 D \u3002\u5bf9\u4e8e\u90e8\u5206\u64cd\u4f5c\u7cfb\u7edf\u800c\u8a00\uff0c RAID \u7684\u914d\u7f6e\u4fe1\u606f\u4fdd\u5b58\u5728\u7cfb\u7edf\u4fe1\u606f\u4e2d\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u4ee5\u6587\u4ef6\u5f62\u5f0f\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\u3002\u8fd9\u6837\u5f53\u7cfb\u7edf\u610f\u5916\u5d29\u6e83\u800c\u9700\u8981\u91cd\u65b0\u5b89\u88c5\u65f6\uff0c RAID \u4fe1\u606f\u5c31\u4f1a\u4e22\u5931\u3002\u53e6\u5916\uff0c\u78c1\u76d8\u7684\u5bb9\u9519\u6280\u672f\u5e76\u4e0d\u7b49\u4e8e\u5b8c\u5168\u652f\u6301\u5728\u7ebf\u66f4\u6362\u3001\u70ed\u63d2\u62d4\u6216\u70ed\u4ea4\u6362\uff0c\u80fd\u5426\u652f\u6301\u9519\u8bef\u78c1\u76d8\u7684\u70ed\u4ea4\u6362\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0\u76f8\u5173\uff0c\u6709\u7684\u64cd\u4f5c\u7cfb\u7edf\u70ed\u4ea4\u6362\u3002<\/p>\n\n\n\n

5.2 \u786c RAID<\/strong><\/p>\n\n\n\n

\u3000\u3000\u786c RAID \u62e5\u6709\u81ea\u5df1\u7684 RAID \u63a7\u5236\u5904\u7406\u4e0e I\/O \u5904\u7406\u82af\u7247\uff0c\u751a\u81f3\u8fd8\u6709\u9635\u5217\u7f13\u51b2\uff0c\u5bf9 CPU \u7684\u5360\u7528\u7387\u548c\u6574\u4f53\u6027\u80fd\u662f\u4e09\u7c7b\u5b9e\u73b0\u4e2d\u6700\u4f18\u7684\uff0c\u4f46\u5b9e\u73b0\u6210\u672c\u4e5f\u6700\u9ad8\u7684\u3002\u786c RAID \u901a\u5e38\u90fd\u652f\u6301\u70ed\u4ea4\u6362\u6280\u672f\uff0c\u5728\u7cfb\u7edf\u8fd0\u884c\u4e0b\u66f4\u6362\u6545\u969c\u78c1\u76d8\u3002
\u3000\u3000
\u3000\u3000\u786c RAID \u5305\u542b RAID \u5361\u548c\u4e3b\u677f\u4e0a\u96c6\u6210\u7684 RAID \u82af\u7247\uff0c \u670d\u52a1\u5668\u5e73\u53f0\u591a\u91c7\u7528 RAID \u5361\u3002 RAID \u5361\u7531 RAID \u6838\u5fc3\u5904\u7406\u82af\u7247\uff08 RAID \u5361\u4e0a\u7684 CPU \uff09\u3001\u7aef\u53e3\u3001\u7f13\u5b58\u548c\u7535\u6c60 4 \u90e8\u5206\u7ec4\u6210\u3002\u5176\u4e2d\uff0c\u7aef\u53e3\u662f\u6307 RAID \u5361\u652f\u6301\u7684\u78c1\u76d8\u63a5\u53e3\u7c7b\u578b\uff0c\u5982 IDE\/ATA \u3001 SCSI \u3001 SATA \u3001 SAS \u3001 FC \u7b49\u63a5\u53e3\u3002<\/p>\n\n\n\n

5.3 \u8f6f\u786c\u6df7\u5408 RAID<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8f6f RAID \u6027\u80fd\u6b20\u4f73\uff0c\u800c\u4e14\u4e0d\u80fd\u4fdd\u62a4\u7cfb\u7edf\u5206\u533a\uff0c\u56e0\u6b64\u5f88\u96be\u5e94\u7528\u4e8e\u684c\u9762\u7cfb\u7edf\u3002\u800c\u786c RAID \u6210\u672c\u975e\u5e38\u6602\u8d35\uff0c\u4e0d\u540c RAID \u76f8\u4e92\u72ec\u7acb\uff0c\u4e0d\u5177\u4e92\u64cd\u4f5c\u6027\u3002\u56e0\u6b64\uff0c\u4eba\u4eec\u91c7\u53d6\u8f6f\u4ef6\u4e0e\u786c\u4ef6\u7ed3\u5408\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0 RAID \uff0c\u4ece\u800c\u83b7\u5f97\u5728\u6027\u80fd\u548c\u6210\u672c\u4e0a\u7684\u4e00\u4e2a\u6298\u4e2d\uff0c\u5373\u8f83\u9ad8\u7684\u6027\u4ef7\u6bd4\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u79cd RAID \u867d\u7136\u91c7\u7528\u4e86\u5904\u7406\u63a7\u5236\u82af\u7247\uff0c\u4f46\u662f\u4e3a\u4e86\u8282\u7701\u6210\u672c\uff0c\u82af\u7247\u5f80\u5f80\u6bd4\u8f83\u5ec9\u4ef7\u4e14\u5904\u7406\u80fd\u529b\u8f83\u5f31\uff0c RAID \u7684\u4efb\u52a1\u5904\u7406\u5927\u90e8\u5206\u8fd8\u662f\u901a\u8fc7\u56fa\u4ef6\u9a71\u52a8\u7a0b\u5e8f\u7531 CPU \u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u516d\u3001RAID \u5e94\u7528\u9009\u62e9<\/h3>\n\n\n\n

\u3000\u3000RAID \u7b49\u7ea7\u7684\u9009\u62e9\u4e3b\u8981\u6709\u4e09\u4e2a\u56e0\u7d20\uff0c\u5373\u6570\u636e\u53ef\u7528\u6027\u3001 I\/O \u6027\u80fd\u548c\u6210\u672c\u3002\u3000\u76ee\u524d\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5e38\u89c1\u7684\u4e3b\u6d41 RAID \u7b49\u7ea7\u662f RAID0 \uff0c RAID1 \uff0c RAID3 \uff0c RAID5 \uff0c RAID6 \u548c RAID10 \uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u6280\u672f\u5bf9\u6bd4\u60c5\u51b5\u5982\u8868 1 \u6240\u793a\u3002\u5982\u679c\u4e0d\u8981\u6c42\u53ef\u7528\u6027\uff0c\u9009\u62e9 RAID0 \u4ee5\u83b7\u5f97\u9ad8\u6027\u80fd\u3002\u5982\u679c\u53ef\u7528\u6027\u548c\u6027\u80fd\u662f\u91cd\u8981\u7684\uff0c\u800c\u6210\u672c\u4e0d\u662f\u4e00\u4e2a\u4e3b\u8981\u56e0\u7d20\uff0c\u5219\u6839\u636e\u78c1\u76d8\u6570\u91cf\u9009\u62e9 RAID1 \u3002\u5982\u679c\u53ef\u7528\u6027\uff0c\u6210\u672c\u548c\u6027\u80fd\u90fd\u540c\u6837\u91cd\u8981\uff0c\u5219\u6839\u636e\u4e00\u822c\u7684\u6570\u636e\u4f20\u8f93\u548c\u78c1\u76d8\u6570\u91cf\u9009\u62e9 RAID3 \u6216 RAID5 \u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e94\u5f53\u6839\u636e\u7528\u6237\u7684\u6570\u636e\u5e94\u7528\u7279\u70b9\u548c\u5177\u4f53\u60c5\u51b5\uff0c\u7efc\u5408\u8003\u8651\u53ef\u7528\u6027\u3001\u6027\u80fd\u548c\u6210\u672c\u6765\u9009\u62e9\u5408\u9002\u7684 RAID \u7b49\u7ea7\u3002 [10]<\/p>\n\n\n\n

\u88681 \u4e3b\u6d41 RAID \u7b49\u7ea7\u6280\u672f\u5bf9\u6bd4<\/strong><\/p>\n\n\n\n
RAID <\/strong>\u7b49\u7ea7<\/strong><\/td>RAID0<\/strong><\/td>RAID1<\/strong><\/td>RAID3<\/strong><\/td>RAID5<\/strong><\/td>RAID6<\/strong><\/td>RAID10<\/strong><\/td><\/tr>
\u522b\u540d<\/strong><\/td>\u6761\u5e26<\/td>\u955c\u50cf<\/td>\u4e13\u7528\u5947\u5076\u6821\u9a8c\u6761\u5e26<\/td>\u5206\u5e03\u5947\u5076\u6821\u9a8c\u6761\u5e26<\/td>\u53cc\u91cd\u5947\u5076\u6821\u9a8c\u6761\u5e26<\/td>\u955c\u50cf\u52a0\u6761\u5e26<\/td><\/tr>
\u5bb9\u9519\u6027<\/strong><\/td>\u65e0<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td><\/tr>
\u5197\u4f59\u7c7b\u578b<\/strong><\/td>\u65e0<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td><\/tr>
\u70ed\u5907\u4efd\u9009\u62e9<\/strong><\/td>\u65e0<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td>\u6709<\/td><\/tr>
\u8bfb\u6027\u80fd<\/strong><\/td>\u9ad8<\/td>\u4f4e<\/td>\u9ad8<\/td>\u9ad8<\/td>\u9ad8<\/td>\u9ad8<\/td><\/tr>
\u968f\u673a\u5199\u6027\u80fd<\/strong><\/td>\u9ad8<\/td>\u4f4e<\/td>\u4f4e<\/td>\u4e00\u822c<\/td>\u4f4e<\/td>\u4e00\u822c<\/td><\/tr>
\u8fde\u7eed\u5199\u6027\u80fd<\/strong><\/td>\u9ad8<\/td>\u4f4e<\/td>\u4f4e<\/td>\u4f4e<\/td>\u4f4e<\/td>\u4e00\u822c<\/td><\/tr>
\u9700\u8981\u78c1\u76d8\u6570<\/strong><\/td>n\u22651<\/td>2n (n\u22651)<\/td>n\u22653<\/td>n\u22653<\/td>n\u22654<\/td>2n(n\u22652)\u22654<\/td><\/tr>
\u53ef\u7528\u5bb9\u91cf <\/strong>\u200b<\/td>\u5168\u90e8<\/td>50%<\/td>(n-1)\/n<\/td>(n-1)\/n<\/td>(n-2)\/n<\/td>50%<\/td><\/tr><\/tbody><\/table>\n\n\n\n

\u3000\u3000\u8fd1\u5e74\u6765\uff0c\u4f01\u4e1a\u7684\u4fe1\u606f\u5316\u6c34\u5e73\u4e0d\u65ad\u53d1\u5c55\uff0c\u6570\u636e\u5df2\u7ecf\u53d6\u4ee3\u8ba1\u7b97\u6210\u4e3a\u4e86\u4fe1\u606f\u8ba1\u7b97\u7684\u4e2d\u5fc3\uff0c\u4fe1\u606f\u6570\u636e\u7684\u5b89\u5168\u6027\u5c31\u663e\u5f97\u5c24\u4e3a\u81f3\u5173\u91cd\u8981\u3002\u968f\u7740\u5b58\u50a8\u6280\u672f\u7684\u6301\u7eed\u53d1\u5c55\uff0c RAID \u6280\u672f\u5728\u6210\u672c\u3001\u6027\u80fd\u3001\u6570\u636e\u5b89\u5168\u6027\u7b49\u8bf8\u591a\u65b9\u9762\u90fd\u5c06\u4f18\u4e8e\u5176\u4ed6\u5b58\u50a8\u6280\u672f\uff0c\u4f8b\u5982\u78c1\u5e26\u5e93\u3001\u5149\u76d8\u5e93\u7b49\uff0c\u5927\u591a\u6570\u4f01\u4e1a\u6570\u636e\u4e2d\u5fc3\u9996\u9009 RAID \u4f5c\u4e3a\u5b58\u50a8\u7cfb\u7edf\u3002\u5f53\u524d\u5b58\u50a8\u884c\u4e1a\u7684\u77e5\u540d\u5b58\u50a8\u5382\u5546\u5747\u63d0\u4f9b\u5168\u7ebf\u7684\u78c1\u76d8\u9635\u5217\u4ea7\u54c1\uff0c\u5305\u62ec\u9762\u5411\u4e2a\u4eba\u548c\u4e2d\u5c0f\u4f01\u4e1a\u7684\u5165\u95e8\u7ea7\u7684\u4f4e\u7aef RAID \u4ea7\u54c1\uff0c\u9762\u5411\u5927\u4e2d\u578b\u4f01\u4e1a\u7684\u4e2d\u9ad8\u7aef RAID \u4ea7\u54c1\u3002\u8fd9\u4e9b\u5b58\u50a8\u4f01\u4e1a\u5305\u62ec\u4e86\u56fd\u5185\u5916\u7684\u4e3b\u6d41\u5b58\u50a8\u5382\u5546\uff0c\u5982 EMC \u3001 IBM \u3001 HP \u3001 SUN \u3001 NetApp \u3001 NEC \u3001 HDS \u3001 H3C \u3001 Infortrend \u3001\u534e\u8d5b\u7b49\u3002\u53e6\u5916\uff0c\u8fd9\u4e9b\u5382\u5546\u5728\u63d0\u4f9b\u5b58\u50a8\u786c\u4ef6\u7cfb\u7edf\u7684\u540c\u65f6\uff0c\u8fd8\u5f80\u5f80\u63d0\u4f9b\u975e\u5e38\u5168\u9762\u7684\u8f6f\u4ef6\u7cfb\u7edf\uff0c\u8fd9\u4e5f\u662f\u7528\u6237\u91c7\u8d2d\u4ea7\u54c1\u7684\u4e00\u4e2a\u4e3b\u8981\u53c2\u8003\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u7684\u5b58\u50a8\u5382\u5546\u7684\u4ea7\u54c1\u5728\u6280\u672f\u3001\u6210\u672c\u3001\u6027\u80fd\u3001\u7ba1\u7406\u3001\u670d\u52a1\u7b49\u65b9\u9762\u5404\u6709\u4f18\u52bf\u548c\u4e0d\u8db3\u3002\u7528\u6237\u9009\u62e9 RAID \u7684\u539f\u5219\u662f\uff1a\u5728\u6210\u672c\u9884\u7b97\u5185\uff0c\u6ee1\u8db3\u6570\u636e\u5b58\u50a8\u9700\u6c42\u7684\u524d\u63d0\u4e0b\uff0c\u9009\u62e9\u6700\u4f18\u7684\u5b58\u50a8\u5382\u5546\u89e3\u51b3\u65b9\u6848\u3002\u56e0\u6b64\uff0c\u9996\u5148\u7528\u6237\u9700\u8981\u5bf9\u5b58\u50a8\u9700\u6c42\u4f5c\u6df1\u5165\u7684\u8c03\u7814\u548c\u5206\u6790\uff0c\u5e76\u7ed9\u51fa\u6210\u672c\u9884\u7b97\uff0c\u7136\u540e\u5bf9\u4f17\u591a\u5b58\u50a8\u5382\u5546\u7684\u89e3\u51b3\u65b9\u6848\u8fdb\u884c\u5206\u6790\u548c\u5bf9\u6bd4\uff0c\u6700\u540e\u9009\u62e9\u51fa\u4e00\u4e2a\u7efc\u5408\u6700\u4f18\u7684\u5b58\u50a8\u65b9\u6848\u3002\u5176\u4e2d\uff0c\u5b58\u50a8\u4ea7\u54c1\u7684\u6269\u5c55\u6027\u548c\u5b58\u50a8\u5382\u5bb6\u7684\u552e\u540e\u670d\u52a1\u9700\u8981\u91cd\u70b9\u8003\u5bdf\uff0c\u5b58\u50a8\u9700\u6c42\uff08\u5982\u5bb9\u91cf\u3001\u6027\u80fd\uff09\u53ef\u80fd\u4f1a\u4e0d\u65ad\u5347\u7ea7\uff0c\u5b58\u50a8\u4ea7\u54c1\u53d1\u751f\u6545\u969c\u540e\u7684\u7ef4\u4fee\u548c\u652f\u6301\u4fdd\u969c\uff0c\u8fd9\u4e9b\u90fd\u8981\u672a\u96e8\u5148\u7f2a\u3002<\/p>\n\n\n\n

\u4e03\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/h3>\n\n\n\n

\u3000\u3000\u56de\u987e RAID \u53d1\u5c55\u5386\u53f2\uff0c\u4ece\u9996\u6b21\u63d0\u51fa\u6982\u5ff5\u81f3\u4eca\u5df2\u6709\u4e8c\u5341\u591a\u5e74\u3002\u5728\u6b64\u671f\u95f4\uff0c\u6574\u4e2a\u793e\u4f1a\u4fe1\u606f\u5316\u6c34\u5e73\u4e0d\u65ad\u63d0\u9ad8\uff0c\u6570\u636e\u5448\u73b0\u7206\u70b8\u5f0f\u589e\u957f\u8d8b\u52bf\uff0c\u6570\u636e\u53d6\u4ee3\u8ba1\u7b97\u6210\u4e3a\u4fe1\u606f\u8ba1\u7b97\u7684\u4e2d\u5fc3\u3002\u8fd9\u4fc3\u4f7f\u4eba\u4eec\u5bf9\u6570\u636e\u6108\u52a0\u91cd\u89c6\uff0c\u4e0d\u65ad\u8ffd\u6c42\u6d77\u91cf\u5b58\u50a8\u5bb9\u91cf\u3001\u9ad8\u6027\u80fd\u3001\u9ad8 \u5b89\u5168\u6027\u3001\u9ad8\u53ef\u7528\u6027\u3001\u53ef\u6269\u5c55\u6027\u3001\u53ef\u7ba1\u7406\u6027\u7b49\u7b49\u3002 RAID \u6280\u672f\u5728\u8fd9\u6837\u5f3a\u5927\u7684\u5b58\u50a8\u9700\u6c42\u63a8\u52a8\u4e0b\u4e0d\u65ad\u53d1\u5c55\u8fdb\u6b65\uff0c\u65f6\u81f3\u4eca\u65e5\u6280\u672f\u5df2\u7ecf\u975e\u5e38\u6210\u719f\uff0c\u5728\u5404\u79cd\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5341\u5206\u5e7f\u6cdb\u7684\u5e94\u7528\u3002
\u3000\u3000
\u3000\u3000\u6b63\u662f\u7531\u4e8e\u6280\u672f\u53d1\u5c55\u7684\u6210\u719f\uff0c RAID \u6280\u672f\u7684\u672a\u6765\u53d1\u5c55\u5df2\u7ecf\u4e0d\u88ab\u5e7f\u6cdb\u770b\u597d\uff0c\u751a\u81f3\u9884\u8a00\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u4f1a\u505c\u6b62\u53d1\u5c55\uff0c\u79f0\u4e4b\u4e3a \u201c \u50f5\u5c38\u6280\u672f \u201d \uff0c\u5373\u867d\u7136\u5ba3\u5e03\u6b7b\u4ea1\uff0c\u4f46\u5728\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u5185\u4ecd\u4f1a\u7ee7\u7eed\u53d1\u6325\u5de8\u5927\u7684\u4ef7\u503c\u3002
\u3000\u3000
\u3000\u3000\u7136\u800c\uff0c\u5f53\u524d\u7684 RAID \u6280\u672f\u4ecd\u7136\u5b58\u5728\u8bf8\u591a\u4e0d\u8db3\uff0c\u5404\u79cd RAID \u6a21\u5f0f\u90fd\u5b58\u5728\u81ea\u8eab\u7684\u7f3a\u9677\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728\u8bfb\u5199\u6027\u80fd\u3001\u5b9e\u73b0\u6210\u672c\u3001\u6062\u590d\u65f6\u95f4\u7a97\u53e3\u3001\u591a\u78c1\u76d8\u635f\u574f\u7b49\u65b9\u9762\u3002\u56e0\u6b64\uff0c RAID \u6280\u672f\u663e\u7136\u8fd8\u5b58\u5728\u5f88\u5927\u7684\u63d0\u5347\u7a7a\u95f4\uff0c\u5177\u6709\u5f88\u5927\u7684\u53d1\u5c55\u6f5c\u529b\u3002\u8fd1\u5e74\u6765\u65b0\u51fa\u73b0\u7684 RAID \u6a21\u5f0f\u4ee5\u53ca\u5b66\u672f\u7814\u7a76\u663e\u793a\u4e86\u5176\u672a\u6765\u7684\u53d1\u5c55\u8d8b\u52bf\uff0c\u5305\u62ec\u5206\u5e03\u5f0f\u6821\u9a8c\u3001\u591a\u91cd\u6821\u9a8c\u3001\u6df7\u5408 RAID \u6a21\u5f0f\u3001\u6c34\u5e73\u548c\u5782\u76f4\u6761\u5e26\u3001\u57fa\u4e8e\u56fa\u6001\u5185\u5b58 RAID \u3001\u7f51\u7edc\u6821\u9a8c\u7b49\u7b49\u3002\u7279\u522b\u6307\u51fa\u7684\u662f\uff0c\u591a\u6838 CPU \u548c GPU \u662f\u5f53\u524d\u7684\u70ed\u70b9\u6280\u672f\uff0c\u5b83\u4eec\u5927\u5e45\u63d0\u5347\u4e86\u4e3b\u673a\u7684\u53ef\u7528\u8ba1\u7b97\u8d44\u6e90\uff0c\u8fd9\u53ef\u4ee5\u89e3\u51b3 RAID \u5bf9\u8ba1\u7b97\u8d44\u6e90\u7684\u6d88\u8017\u95ee\u9898\uff0c\u8f6f RAID \u5f88\u53ef\u80fd\u5c06\u91cd\u65b0\u6210\u4e3a\u70ed\u70b9\u3002\u53e6\u5916\uff0c\u5b58\u50a8\u786c\u4ef6\u6027\u80fd\u7684\u63d0\u5347\u3001\u5b58\u50a8\u865a\u62df\u5316\u6280\u672f\u3001\u91cd\u590d\u6570\u636e\u5220\u9664\u6280\u672f\u4ee5\u53ca\u5176\u4ed6\u5b58\u50a8\u6280\u672f\u90fd\u4f1a\u6781\u5927\u5730\u63a8\u52a8 RAID \u6280\u672f\u7684\u8fdb\u4e00\u6b65\u521b\u65b0\u548c\u53d1\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RAID \u6280\u672f\u76f8\u4fe1\u5927\u5bb6\u90fd\u6709\u63a5\u89e6\u8fc7\uff0c\u5c24\u5176\u662f\u670d\u52a1\u5668\u8fd0\u7ef4\u4eba\u5458\uff0cRAID \u6982\u5ff5\u5f88\u591a\uff0c\u6709\u65f6\u5019\u4f1a\u6982\u5ff5\u6df7\u6dc6\u3002\u8fd9\u7bc7\u6587\u7ae0\u4e3a\u7f51\u7edc\u8f6c\u8f7d\uff0c\u5199\u5f97\u76f8\u5f53\u4e0d\u9519\uff0c\u5b83\u5bf9 RAID \u6280\u672f\u7684\u6982\u5ff5\u7279\u5f81\u3001\u57fa\u672c\u539f\u7406\u3001\u5173\u952e\u6280\u672f\u3001\u5404\u79cd\u7b49\u7ea7\u548c\u53d1\u5c55\u73b0\u72b6\u8fdb\u884c\u4e86\u5168\u9762\u7684\u9610\u8ff0\uff0c\u5e76\u4e3a\u7528\u6237\u5982\u4f55\u8fdb\u884c\u5e94\u7528\u9009\u62e9…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,7],"tags":[],"topic":[],"class_list":["post-68259","post","type-post","status-publish","format-standard","hentry","category-nas","category-server"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/68259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/comments?post=68259"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/68259\/revisions"}],"predecessor-version":[{"id":68260,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/68259\/revisions\/68260"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=68259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=68259"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=68259"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=68259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}