{"id":508,"date":"2012-06-18T22:04:29","date_gmt":"2012-06-18T14:04:29","guid":{"rendered":"http:\/\/www.eumz.com\/?p=508"},"modified":"2012-06-18T22:04:29","modified_gmt":"2012-06-18T14:04:29","slug":"%e5%85%b3%e4%ba%8eraid%e7%9a%84%e4%b8%80%e4%ba%9b%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=508","title":{"rendered":"\u5173\u4e8eRAID\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5"},"content":{"rendered":"<p><a href=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-558\" title=\"raid\" src=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid.jpg\" alt=\"\" width=\"447\" height=\"309\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid10.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-559\" title=\"raid10\" src=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid10.jpg\" alt=\"\" width=\"356\" height=\"400\" \/><\/a><br \/>\n<a href=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-560\" title=\"raid5\" src=\"https:\/\/www.wxcn.com\/wp-content\/uploads\/2012\/06\/raid5.jpg\" alt=\"\" width=\"435\" height=\"260\" \/><\/a><\/p>\n<p>RAID\u7b80\u4ecb<br \/>\n\u5185\u5d4c\u5fae\u5904\u7406\u5668\u7684\u78c1\u76d8\u5b50\u7cfb\u7edf\u901a\u5e38\u79f0\u4e3aR A I D\u7cfb\u7edf\u3002R A I D\u9635\u5217\u7684\u53ef\u7528\u5bb9\u91cf\u603b\u5c0f\u4e8e\u6210\u5458\u78c1\u76d8\u7684\u603b\u91cf\u3002<br \/>\n\u4e00\u3001RAID 0\uff08\u5206\u5757\uff09\u662f\u7b80\u5355\u7684\u3001\u4e0d\u5e26\u6709\u6821\u9a8c\u7684\u78c1\u76d8\u5206\u5757\uff0c\u672c\u8d28\u4e0a\u5b83\u5e76\u4e0d\u662f\u4e00\u4e2a\u771f\u6b63\u7684R A I D\uff0c\u56e0\u4e3a\u5b83\u5e76\u4e0d\u63d0\u4f9b\u4efb\u4f55\u5f62\u5f0f\u7684\u5197\u4f59\u3002\u5047\u5982RAID 0\u7684\u78c1\u76d8\u5931\u8d25\uff0c\u90a3\u4e48\uff0c\u6570\u636e\u5c06\u5f7b\u5e95\u4e22\u5931\u3002\u4e3a\u4e86\u5728RAID 0\u60c5\u51b5\u4e0b\u6062\u590d\u6570\u636e\uff0c\u552f\u4e00\u7684\u529e\u6cd5\u662f\u4f7f\u7528\u78c1\u5e26\u5907\u4efd\u6216\u8005\u955c\u50cf\u62f7\u8d1d\u3002<br \/>\n\u4e8c\u3001RAID 1\uff08\u955c\u50cf\uff09\u662f\u975e\u6821\u9a8c\u7684R A I D\u7ea7\u3002<br \/>\n\u4e09\u3001RAID 2\uff08\u4e13\u6709\u78c1\u76d8\u7684\u5e76\u884c\u8bbf\u95ee\uff09\u7684\u5b9a\u4e49\u6d89\u53caR A I D\u63a7\u5236\u5668\u4e2d\u7684\u9519\u8bef\u6821\u9a8c\u7535\u8def\u3002\u8fd9\u4e2a\u529f\u80fd\u5df2\u7ecf\u88ab\u96c6\u6210\u5230\u78c1\u76d8\u9a71\u52a8\u5668\u4e2d\uff0c\u867d\u7136\u4fbf\u5b9c\uff0c\u4f46\u6548\u7387\u5374\u4e0d\u9ad8\u3002\u56e0\u6b64\uff0c RAID 2\u6ca1\u6709\u5f62\u6210\u4ea7\u54c1\u3002<br \/>\n\u56db\u3001\u5e76\u884c\u8bbf\u95eeR A I D\u90fd\u5c5e\u4e8eR A I D 3\u3002R A I D 3\uff08\u4f7f\u7528\u4e13\u6709\u6821\u9a8c\u78c1\u76d8\u7684\u540c\u6b65\u8bbf\u95ee\uff09\u5b50\u7cfb\u7edf\u5c06\u6570\u636e\u5206\u5757\u5b58\u653e\u5230\u9635\u5217\u4e2d\u7684\u6240\u6709\u9a71\u52a8\u5668\uff0c\u5c06\u6821\u9a8c\u6570\u636e\u5199\u5230\u9635\u5217\u4e2d\u7684\u4e00\u4e2a\u53e6\u5916\u7684\u6821\u9a8c\u78c1\u76d8\uff0c R A I D 3\u88ab\u8ba4\u4e3a\u662f\u6821\u957d A I D\u3002<br \/>\n\u4e94\u3001RAID4\uff08\u4f7f\u7528\u4e13\u7528\u6821\u9a8c\u78c1\u76d8\u7684\u72ec\u7acb\u8bbf\u95ee\uff09\u662f\u4e00\u79cd\u72ec\u7acb\u8bbf\u95ee\u7684R A I D\u5b9e\u73b0\uff0c\u5b83\u4f7f\u7528\u4e00\u4e2a\u4e13\u7528\u7684\u6821\u9a8c\u78c1\u76d8\u3002\u4e0eRAID 3\u4e0d\u540c\u7684\u662f\uff0cRAID 4\u6709\u66f4\u5927\u91cf\u7684\u5206\u5757\uff0c\u4f7f\u591a\u4e2aI \/ O\u8bf7\u6c42\u80fd\u540c\u65f6\u5904\u7406\u3002\u867d\u7136\u5b83\u4e3a\u8bfb\u8bf7\u6c42\u63d0\u4f9b\u4e86\u6027\u80fd\u7684\u4f18\u52bf\uff0c\u4f46RAID 4\u7684\u5199\u5f00\u9500\u7279\u522b\u5927\uff0c\u56e0\u4e3a\u5728\u6bcf\u6b21\u8bfb\u3001\u4fee\u6539\u548c\u5199\u5468\u671f\u4e2d\uff0c\u6821\u9a8c\u78c1\u76d8\u90fd\u88ab\u8bbf\u95ee\u4e24\u6b21\u3002<br \/>\n\u516d\u3001RAID 5\uff08\u4f7f\u7528\u5206\u5e03\u5f0f\u6821\u9a8c\u7684\u72ec\u7acb\u8bbf\u95ee\uff09\u662f\u4e00\u4e2a\u72ec\u7acb\u8bbf\u95ee\u7684R A I D\u9635\u5217\uff0c\u6821\u9a8c\u6570\u636e\u88ab\u5206\u5e03\u5728\u9635\u5217\u4e2d\u7684\u6240\u6709\u78c1\u76d8\u3002\u6362\u800c\u8a00\u4e4b\uff0c\u5373\u6ca1\u6709\u4e00\u4e2a\u4e13\u6709\u6821\u9a8c\u78c1\u76d8\uff0c\u56e0\u800c\uff0c\u6ca1\u6709\u50cfRAID 4\u4e00\u6837\u7684\u5199\u74f6\u9888\u3002<br \/>\n\u4e03\u3001RAID 6\uff08\u4f7f\u7528\u53cc\u6821\u9a8c\u7684\u72ec\u7acb\u8bbf\u95ee\uff09\u63d0\u4f9b\u4e24\u7ea7\u5197\u4f59\uff0c\u5373\u9635\u5217\u4e2d\u7684\u4e24\u4e2a\u9a71\u52a8\u5668\u5931\u8d25\u65f6\uff0c\u9635\u5217\u4ecd\u7136\u80fd\u591f\u7ee7\u7eed\u5de5\u4f5c\u3002<\/p>\n<p><a href=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=20057192094048937.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=20057192094048937.jpg\" alt=\"\" align=\"absMiddle\" border=\"0\" \/><\/a><\/p>\n<p>RAID 1: \u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u201c\u78c1\u76d8\u955c\u50cf\u201d\uff0c\u901a\u8fc7\u5728\u9635\u5217\u91cc\u7684\u4e00\u4e2a \u786c\u76d8\u4e0a\u5b8c\u5168\u590d\u5236\u76f8\u540c\u6570\u636e\u7684\u65b9\u5f0f\u6765\u63d0\u4f9b\u5bf9\u6570\u636e\u7684\u5145\u5206\u4fdd\u62a4\u3002\u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u786c\u76d8\u6bc1\u574f\uff0c\u53e6\u5916\u4e00\u4e2a\u786c\u76d8\u5c06\u63d0\u4f9b\u7cbe\u786e\u7684\uff0c\u5b8c\u5168\u76f8\u540c\u7684\u6570\u636e\uff0cRAID\u7cfb\u7edf\u5c06\u5207\u6362\u5230\u955c\u50cf\u7684\u786c\u76d8\u7ee7\u7eed\u4f7f\u7528\uff0c\u5bf9\u7528\u6237\u800c\u8a00\uff0c\u6570\u636e\u5e76\u6ca1\u6709\u4e22\u5931\u3002 \u8fd9\u79cd\u955c\u50cf\u7cfb\u7edf\u4e0d\u597d\u7684\u5730\u65b9\u662f\u6570\u636e\u7684\u5b58\u50a8\u901f\u5ea6\u5e76\u6ca1\u6709\u5f97\u5230\u6539\u5584\uff0c\u800c\u4e14\u78c1\u76d8\u5229\u7528\u7387\u4f4e\u3002\u7136\u800c\uff0c\u5b83\u63d0\u4f9b\u5bf9\u7ba1\u7406\u8005\u800c\u8a00\u6700\u7b80\u5355\u6709\u6548\u7684\u4fdd\u62a4\uff0c\u5f53\u4e00\u4e2a\u786c\u76d8\u5931\u6548\u65f6\uff0c\u9635\u5217\u7ba1\u7406\u8f6f\u4ef6\u4f1a\u76f4\u63a5\u5c06\u6570\u636e\u8bf7\u6c42\u5207\u6362\u5230\u6709\u6548\u786c\u76d8\u4e0a\u3002<\/p>\n<p><a href=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920105680487.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920105680487.jpg\" alt=\"\" align=\"absMiddle\" border=\"0\" \/><\/a><\/p>\n<p>RAID 3:RAID 3 \u5c06\u6570\u636e\u4ea4\u9519\u5206\u5e03\u5728\u591a\u4e2a\u9a71\u52a8\u5668\u4e2d\uff0c\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u786c\u76d8\u7528\u6237\u63d0\u4f9b\u5947\u5076\u6570\u636e\u5b58\u50a8\uff0c\u63d0\u4f9b\u9519\u8bef\u6570\u636e\u7684\u6062\u590d\u548c\u91cd\u5efa\u3002<\/p>\n<p><a href=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920124666624.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920124666624.jpg\" alt=\"\" align=\"absMiddle\" border=\"0\" \/><\/a><\/p>\n<p>RAID 5: RAID 5 \u662f\u6700\u901a\u884c\u7684\u914d\u7f6e\u65b9\u5f0f\u3002\u5b83\u662f\u5177\u6709\u5947\u5076\u6821\u9a8c\u7684\u6570\u636e\u6062\u590d\u529f\u80fd\u7684\u6570\u636e\u5b58\u8d2e\u65b9\u5f0f\u3002\u5728 RAID 5\u91cc\uff0c\u5947\u5076\u6821\u9a8c\u6570\u636e\u5757\u5206\u5e03\u4e8e\u9635\u5217\u91cc\u7684\u5404\u4e2a\u786c\u76d8\u4e2d\uff0c\u8fd9\u6837\u7684\u6570\u636e\u8fde\u63a5\u4f1a\u66f4\u52a0\u987a\u7545\u3002 \u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u786c\u76d8\u635f\u574f\uff0c\u5947\u5076\u6821\u9a8c\u6570\u636e\u5c06\u88ab\u7528\u4e8e\u6570\u636e\u7684\u91cd\u5efa\u3002\u8fd9\u662f\u4e00\u4e2a\u5f88\u901a\u884c\u7684\u505a\u6cd5\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u6570\u636e\u7684\u8bfb\u5199\u65f6\u95f4\u4f1a\u76f8\u5bf9\u957f\u4e9b\uff08\u5728\u5199\u5165\u4e00\u7ec4\u6570\u636e\u65f6\u5fc5\u987b\u5b8c\u6210\u4e24\u6b21\u8bfb\u5199\u64cd\u4f5c\uff09\u3002\u5b83\u7684\u5bb9\u91cf\u662f N-1,\u6700\u5c0f\u5fc5\u987b\u6709\u4e09\u4e2a\u786c\u76d8\u3002<\/p>\n<p><a href=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920133832418.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/img.sg.dell.com\/fileup\/at.asp?fn=200571920133832418.jpg\" alt=\"\" align=\"absMiddle\" border=\"0\" \/><\/a><\/p>\n<p>\u78c1\u76d8\u9635\u5217\u672f\u8bed\u6c47\u7f16 \u3000Array\uff1a\u9635\u5217<\/p>\n<p>\u78c1\u76d8\u9635\u5217\u6a21\u5f0f\u662f\u628a\u51e0\u4e2a\u78c1\u76d8\u7684\u5b58\u50a8\u7a7a\u95f4\u6574\u5408\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u5927\u7684\u5355\u4e00\u8fde\u7eed\u7684\u5b58\u50a8\u7a7a\u95f4\u3002NetRAID\u63a7\u5236\u5668\u5229\u7528\u5b83\u7684SCSI\u901a\u9053\u53ef\u4ee5\u628a\u591a\u4e2a\u78c1\u76d8\u7ec4\u5408\u6210\u4e00\u4e2a\u78c1\u76d8\u9635\u5217\u3002\u7b80\u5355\u7684\u8bf4\uff0c\u9635\u5217\u5c31\u662f\u7531\u591a\u4e2a\u78c1\u76d8\u7ec4\u6210\uff0c\u5e76\u884c\u5de5\u4f5c\u7684\u78c1\u76d8\u7cfb\u7edf\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u4f5c\u4e3a\u70ed\u5907\u7528\u7684\u78c1\u76d8\u662f\u4e0d\u80fd\u6dfb\u52a0\u5230\u9635\u5217\u4e2d\u7684\u3002<\/p>\n<p>Array Spanning\uff1a\u9635\u5217\u8de8\u8d8a<\/p>\n<p>\u9635\u5217\u8de8\u8d8a\u662f\u628a2\u4e2a\uff0c3\u4e2a\u62164\u4e2a\u78c1\u76d8\u9635\u5217\u4e2d\u7684\u5b58\u50a8\u7a7a\u95f4\u8fdb\u884c\u518d\u6b21\u6574\u5408\uff0c\u5f62\u6210\u4e00\u4e2a\u5177\u6709\u5355\u4e00\u8fde\u7eed\u5b58\u50a8\u7a7a\u95f4\u7684\u903b\u8f91\u9a71\u52a8\u5668\u7684\u8fc7\u7a0b\u3002NetRAID\u63a7\u5236\u5668\u53ef\u4ee5\u8de8\u8d8a\u8fde\u7eed\u7684\u51e0\u4e2a\u9635\u5217\uff0c\u4f46\u6bcf\u4e2a\u9635\u5217\u5fc5\u9700\u7531\u76f8\u540c\u6570\u91cf\u7684\u78c1\u76d8\u7ec4\u6210\uff0c\u5e76\u4e14\u8fd9\u51e0\u4e2a\u9635\u5217\u5fc5\u9700\u5177\u6709\u76f8\u540c\u7684RAID\u7ea7\u522b\u3002\u5c31\u662f\u8bf4\uff0c\u8de8\u8d8a\u9635\u5217\u662f\u5bf9\u5df2\u7ecf\u5f62\u6210\u4e86\u7684\u51e0\u4e2a\u9635\u5217\u8fdb\u884c\u518d\u4e00\u6b21\u7684\u7ec4\u5408\uff0cRAID 1\uff0cRAID 3\u548cRAID 5\u8de8\u8d8a\u9635\u5217\u540e\u5206\u522b\u5f62\u6210\u4e86RAID 10\uff0cRAID 30\u548cRAID 50\u3002<\/p>\n<p>Cache Policy\uff1a\u9ad8\u901f\u7f13\u5b58\u7b56\u7565<\/p>\n<p>NetRAID\u63a7\u5236\u5668\u5177\u6709\u4e24\u79cd\u9ad8\u901f\u7f13\u5b58\u7b56\u7565\uff0c\u5206\u522b\u4e3aCached I\/O\uff08\u7f13\u5b58I\/O\uff09\u548cDirect I\/O\uff08\u76f4\u63a5I\/O\uff09\u3002\u7f13\u5b58I\/O\u603b\u662f\u91c7\u7528\u8bfb\u53d6\u548c\u5199\u5165\u7b56\u7565\uff0c\u8bfb\u53d6\u7684\u65f6\u5019\u5e38\u5e38\u662f\u968f\u610f\u7684\u8fdb\u884c\u7f13\u5b58\u3002\u76f4\u63a5I\/O\u5728\u8bfb\u53d6\u65b0\u7684\u6570\u636e\u65f6\u603b\u662f\u91c7\u7528\u76f4\u63a5\u4ece\u78c1\u76d8\u8bfb\u51fa\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u4e00\u4e2a\u6570\u636e\u5355\u5143\u88ab\u53cd\u590d\u5730\u8bfb\u53d6\uff0c\u90a3\u4e48\u5c06\u9009\u62e9\u4e00\u79cd\u9002\u4e2d\u7684\u8bfb\u53d6\u7b56\u7565\uff0c\u5e76\u4e14\u8bfb\u53d6\u7684\u6570\u636e\u5c06\u88ab\u7f13\u5b58\u8d77\u6765\u3002\u53ea\u6709\u5f53\u8bfb\u53d6\u7684\u6570\u636e\u91cd\u590d\u5730\u88ab\u8bbf\u95ee\u65f6\uff0c\u6570\u636e\u624d\u4f1a\u8fdb\u5165\u7f13\u5b58\uff0c\u800c\u5728\u5b8c\u5168\u968f\u673a\u8bfb\u53d6\u72b6\u6001\u4e0b\uff0c\u662f\u4e0d\u4f1a\u6709\u6570\u636e\u8fdb\u5165\u7f13\u5b58\u7684\u3002<\/p>\n<p>Capacity Expansion\uff1a\u5bb9\u91cf\u6269\u5c55<\/p>\n<p>\u5728\u5fae\u8f6f\u7684Windows NT\uff0c2000\u6216Novell\u516c\u53f8\u7684NetWare 4.2\uff0c5\u64cd\u4f5c\u7cfb\u7edf\u4e0b\uff0c\u53ef\u4ee5\u5728\u7ebf\u589e\u52a0\u76ee\u524d\u5377\u7684\u5bb9\u91cf\u3002\u5728Windows 2000\u6216NetWare 5\u7cfb\u7edf\u4e0b\uff0c\u51c6\u5907\u5728\u7ebf\u6269\u5bb9\u65f6\uff0c\u8981\u7981\u7528\u865a\u62df\u5bb9\u91cf\u9009\u9879\u3002\u800c\u5728Windows NT\u6216NetWare 4.2\u7cfb\u7edf\u4e0b\uff0c\u8981\u4f7f\u865a\u62df\u5bb9\u91cf\u9009\u9879\u53ef\u7528\u624d\u80fd\u8fdb\u884c\u5728\u7ebf\u6269\u5bb9\u3002<\/p>\n<p>\u5728NetRAID\u63a7\u5236\u5668\u7684\u5feb\u901f\u914d\u7f6e\u5de5\u5177\u4e2d\uff0c\u8bbe\u7f6e\u865a\u62df\u5bb9\u91cf\u9009\u9879\u4e3a\u53ef\u7528\u65f6\uff0c\u63a7\u5236\u5668\u5c06\u5efa\u7acb\u865a\u62df\u78c1\u76d8\u7a7a\u95f4\uff0c\u7136\u540e\u5377\u80fd\u901a\u8fc7\u91cd\u6784\u628a\u589e\u52a0\u7684\u7269\u7406\u78c1\u76d8\u6269\u5c55\u5230\u865a\u62df\u7a7a\u95f4\u4e2d\u53bb\u3002\u91cd\u6784\u64cd\u4f5c\u53ea\u80fd\u5728\u5355\u4e00\u9635\u5217\u4e2d\u7684\u552f\u4e00\u903b\u8f91\u9a71\u52a8\u5668\u4e0a\u624d\u53ef\u4ee5\u8fd0\u884c\uff0c\u4f60\u4e0d\u80fd\u5728\u8de8\u8d8a\u9635\u5217\u4e2d\u4f7f\u7528\u5728\u7ebf\u6269\u5bb9\u3002<\/p>\n<p>Channel\uff1a\u901a\u9053<\/p>\n<p>\u5728\u4e24\u4e2a\u78c1\u76d8\u63a7\u5236\u5668\u4e4b\u95f4\u4f20\u9001\u6570\u636e\u548c\u63a7\u5236\u4fe1\u606f\u7684\u7535\u901a\u8def\u3002<\/p>\n<p>Format\uff1a\u683c\u5f0f\u5316<\/p>\n<p>\u5728\u7269\u7406\u9a71\u52a8\u5668\uff08\u786c\u76d8\uff09\u7684\u6240\u6709\u6570\u636e\u533a\u4e0a\u5199\u96f6\u7684\u64cd\u4f5c\u8fc7\u7a0b\uff0c\u683c\u5f0f\u5316\u662f\u4e00\u79cd\u7eaf\u7269\u7406\u64cd\u4f5c\uff0c\u540c\u65f6\u5bf9\u786c\u76d8\u4ecb\u8d28\u505a\u4e00\u81f4\u6027\u68c0\u6d4b\uff0c\u5e76\u4e14\u6807\u8bb0\u51fa\u4e0d\u53ef\u8bfb\u548c\u574f\u7684\u6247\u533a\u3002\u7531\u4e8e\u5927\u90e8\u5206\u786c\u76d8\u5728\u51fa\u5382\u65f6\u5df2\u7ecf\u683c\u5f0f\u5316\u8fc7\uff0c\u6240\u4ee5\u53ea\u6709\u5728\u786c\u76d8\u4ecb\u8d28\u4ea7\u751f\u9519\u8bef\u65f6\u624d\u9700\u8981\u8fdb\u884c\u683c\u5f0f\u5316\u3002 Hot Spare\uff1a\u70ed\u5907\u7528<\/p>\n<p>\u5f53\u4e00\u4e2a\u6b63\u5728\u4f7f\u7528\u7684\u78c1\u76d8\u53d1\u751f\u6545\u969c\u540e\uff0c\u4e00\u4e2a\u7a7a\u95f2\u3001\u52a0\u7535\u5e76\u5f85\u673a\u7684\u78c1\u76d8\u5c06\u9a6c\u4e0a\u4ee3\u66ff\u6b64\u6545\u969c\u76d8\uff0c\u6b64\u65b9\u6cd5\u5c31\u662f\u70ed\u5907\u7528\u3002\u70ed\u5907\u7528\u78c1\u76d8\u4e0a\u4e0d\u5b58\u50a8\u4efb\u4f55\u7684\u7528\u6237\u6570\u636e\uff0c\u6700\u591a\u53ef\u4ee5\u67098\u4e2a\u78c1\u76d8\u4f5c\u4e3a\u70ed\u5907\u7528\u78c1\u76d8\u3002\u4e00\u4e2a\u70ed\u5907\u7528\u78c1\u76d8\u53ef\u4ee5\u4e13\u5c5e\u4e8e\u4e00\u4e2a\u5355\u4e00\u7684\u5197\u4f59\u9635\u5217\u6216\u8005\u5b83\u4e5f\u53ef\u4ee5\u662f\u6574\u4e2a\u9635\u5217\u70ed\u5907\u7528\u78c1\u76d8\u6c60\u4e2d\u7684\u4e00\u90e8\u5206\u3002\u800c\u5728\u67d0\u4e2a\u7279\u5b9a\u7684\u9635\u5217\u4e2d\uff0c\u53ea\u80fd\u6709\u4e00\u4e2a\u70ed\u5907\u7528\u78c1\u76d8\u3002<\/p>\n<p>\u5f53\u78c1\u76d8\u53d1\u751f\u6545\u969c\u65f6\uff0c\u63a7\u5236\u5668\u7684\u56fa\u4ef6\u80fd\u81ea\u52a8\u7684\u7528\u70ed\u5907\u7528\u78c1\u76d8\u4ee3\u66ff\u6545\u969c\u78c1\u76d8\uff0c\u5e76\u901a\u8fc7\u7b97\u6cd5\u628a\u539f\u6765\u50a8\u5b58\u5728\u6545\u969c\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u91cd\u5efa\u5230\u70ed\u5907\u7528\u78c1\u76d8\u4e0a\u3002\u6570\u636e\u53ea\u80fd\u4ece\u5e26\u6709\u5197\u4f59\u7684\u903b\u8f91\u9a71\u52a8\u5668\u4e0a\u8fdb\u884c\u91cd\u5efa\uff08\u9664\u4e86RAID 0\u4ee5\u5916\uff09\uff0c\u5e76\u4e14\u70ed\u5907\u7528\u78c1\u76d8\u5fc5\u987b\u6709\u8db3\u591f\u591a\u7684\u5bb9\u91cf\u3002\u7cfb\u7edf\u7ba1\u7406\u5458\u53ef\u4ee5\u66f4\u6362\u53d1\u751f\u6545\u969c\u7684\u78c1\u76d8\uff0c\u5e76\u628a\u66f4\u6362\u540e\u7684\u78c1\u76d8\u6307\u5b9a\u4e3a\u65b0\u7684\u70ed\u5907\u7528\u78c1\u76d8\u3002<\/p>\n<p>Hot swap Disk Module\uff1a\u70ed\u4ea4\u6362\u78c1\u76d8\u6a21\u5f0f<\/p>\n<p>\u70ed\u4ea4\u6362\u6a21\u5f0f\u5141\u8bb8\u7cfb\u7edf\u7ba1\u7406\u5458\u5728\u670d\u52a1\u5668\u4e0d\u65ad\u7535\u548c\u4e0d\u4e2d\u6b62\u7f51\u7edc\u670d\u52a1\u7684\u60c5\u51b5\u4e0b\u66f4\u6362\u53d1\u751f\u6545\u969c\u7684\u78c1\u76d8\u9a71\u52a8\u5668\u3002\u7531\u4e8e\u6240\u6709\u7684\u4f9b\u7535\u548c\u7535\u7f06\u8fde\u7ebf\u90fd\u96c6\u6210\u5728\u670d\u52a1\u5668\u7684\u5e95\u677f\u4e0a\uff0c\u6240\u4ee5\u70ed\u4ea4\u6362\u6a21\u5f0f\u53ef\u4ee5\u76f4\u63a5\u628a\u78c1\u76d8\u4ece\u9a71\u52a8\u5668\u7b3c\u5b50\u7684\u63d2\u69fd\u4e2d\u62d4\u9664\uff0c\u64cd\u4f5c\u975e\u5e38\u7b80\u5355\u3002\u7136\u540e\u628a\u66ff\u6362\u7684\u70ed\u4ea4\u6362\u78c1\u76d8\u63d2\u5165\u5230\u63d2\u69fd\u4e2d\u5373\u53ef\u3002\u70ed\u4ea4\u6362\u6280\u672f\u4ec5\u4ec5\u5728RAID 1\uff0c3\uff0c5\uff0c10\uff0c30\u548c50\u7684\u914d\u7f6e\u60c5\u51b5\u4e0b\u624d\u53ef\u4ee5\u5de5\u4f5c\u3002<\/p>\n<p>I2O\uff08Intelligent Input\/Output\uff09\uff1a\u667a\u80fd\u8f93\u5165\u8f93\u51fa<\/p>\n<p>\u667a\u80fd\u8f93\u5165\u8f93\u51fa\u662f\u4e00\u79cd\u5de5\u4e1a\u6807\u51c6\uff0c\u8f93\u5165\u8f93\u51fa\u5b50\u7cfb\u7edf\u7684\u4f53\u7cfb\u7ed3\u6784\u5b8c\u5168\u72ec\u7acb\u4e8e\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5e76\u4e0d\u9700\u8981\u5916\u90e8\u8bbe\u5907\u7684\u652f\u6301\u3002I2O\u4f7f\u7528\u7684\u9a71\u52a8\u7a0b\u5e8f\u53ef\u4ee5\u5206\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u670d\u52a1\u6a21\u5757\uff08operating system services module\uff0cOSMs\uff09\u548c\u786c\u4ef6\u9a71\u52a8\u6a21\u5757\uff08hardware device modules\uff0cHDMs\uff09\u3002<\/p>\n<p>Initialization\uff1a\u521d\u59cb\u5316<\/p>\n<p>\u5728\u903b\u8f91\u9a71\u52a8\u5668\u7684\u6570\u636e\u533a\u4e0a\u5199\u96f6\u7684\u64cd\u4f5c\u8fc7\u7a0b\uff0c\u5e76\u4e14\u751f\u6210\u76f8\u5e94\u7684\u5947\u5076\u4f4d\uff0c\u4f7f\u903b\u8f91\u9a71\u52a8\u5668\u5904\u4e8e\u5c31\u7eea\u72b6\u6001\u3002\u521d\u59cb\u5316\u5c06\u5220\u9664\u4ee5\u524d\u7684\u6570\u636e\u5e76\u4ea7\u751f\u5947\u5076\u6821\u9a8c\uff0c\u6240\u4ee5\u903b\u8f91\u9a71\u52a8\u5668\u5728\u6b64\u8fc7\u7a0b\u4e2d\u5c06\u4e00\u5e76\u8fdb\u884c\u4e00\u81f4\u6027\u68c0\u6d4b\u3002\u6ca1\u6709\u7ecf\u8fc7\u521d\u59cb\u5316\u7684\u9635\u5217\u662f\u4e0d\u80fd\u4f7f\u7528\u7684\uff0c\u56e0\u4e3a\u8fd8\u6ca1\u6709\u751f\u6210\u5947\u5076\u533a\uff0c\u9635\u5217\u4f1a\u4ea7\u751f\u4e00\u81f4\u6027\u68c0\u6d4b\u9519\u8bef\u3002<\/p>\n<p>IOP\uff08I\/O Processor\uff09\uff1a\u8f93\u5165\u8f93\u51fa\u5904\u7406\u5668<\/p>\n<p>\u8f93\u5165\u8f93\u51fa\u5904\u7406\u5668\u662fNetRAID\u63a7\u5236\u5668\u7684\u6307\u4ee4\u4e2d\u5fc3\uff0c\u5b9e\u73b0\u5305\u62ec\u547d\u4ee4\u5904\u7406\uff0cPCI\u548cSCSI\u603b\u7ebf\u7684\u6570\u636e\u4f20\u8f93\uff0cRAID\u7684\u5904\u7406\uff0c\u78c1\u76d8\u9a71\u52a8\u5668\u91cd\u5efa\uff0c\u9ad8\u901f\u7f13\u5b58\u7684\u7ba1\u7406\u548c\u9519\u8bef\u6062\u590d\u7b49\u529f\u80fd\u3002<\/p>\n<p>Logical Drive\uff1a\u903b\u8f91\u9a71\u52a8\u5668<\/p>\n<p>\u9635\u5217\u4e2d\u7684\u865a\u62df\u9a71\u52a8\u5668\uff0c\u5b83\u53ef\u4ee5\u5360\u7528\u4e00\u4e2a\u4ee5\u4e0a\u7684\u7269\u7406\u78c1\u76d8\u3002\u903b\u8f91\u9a71\u52a8\u5668\u628a\u9635\u5217\u6216\u8de8\u8d8a\u9635\u5217\u4e2d\u7684\u78c1\u76d8\u5206\u5272\u6210\u4e86\u8fde\u7eed\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u800c\u8fd9\u4e9b\u5b58\u50a8\u7a7a\u95f4\u5206\u5e03\u5728\u9635\u5217\u4e2d\u7684\u6240\u6709\u78c1\u76d8\u4e0a\u3002NetRAID\u63a7\u5236\u5668\u80fd\u8bbe\u7f6e\u6700\u591a8\u4e2a\u4e0d\u540c\u5bb9\u91cf\u5927\u5c0f\u7684\u903b\u8f91\u9a71\u52a8\u5668\uff0c\u800c\u6bcf\u4e2a\u9635\u5217\u4e2d\u81f3\u5c11\u8981\u8bbe\u7f6e\u4e00\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\u3002\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c\u53ea\u80fd\u5728\u903b\u8f91\u9a71\u52a8\u5668\u5904\u4e8e\u5728\u7ebf\u7684\u72b6\u6001\u4e0b\u624d\u8fd0\u884c\u3002<\/p>\n<p>Logical Volume\uff1a\u903b\u8f91\u5377<\/p>\n<p>\u7531\u903b\u8f91\u78c1\u76d8\u5f62\u6210\u7684\u865a\u62df\u76d8\uff0c\u4e5f\u53ef\u79f0\u4e3a\u78c1\u76d8\u5206\u533a\u3002<\/p>\n<p>Mirroring\uff1a\u955c\u50cf<\/p>\n<p>\u5197\u4f59\u7684\u4e00\u79cd\u7c7b\u578b\uff0c\u4e00\u4e2a\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u5728\u53e6\u4e00\u4e2a\u78c1\u76d8\u4e0a\u5b58\u5728\u4e00\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u526f\u672c\u5373\u4e3a\u955c\u50cf\u3002RAID 1\u548cRAID 10\u4f7f\u7528\u7684\u5c31\u662f\u955c\u50cf\u3002 Parity\uff1a\u5947\u5076\u6821\u9a8c\u4f4d<\/p>\n<p>\u5728\u6570\u636e\u5b58\u50a8\u548c\u4f20\u8f93\u4e2d\uff0c\u5b57\u8282\u4e2d\u989d\u5916\u589e\u52a0\u4e00\u4e2a\u6bd4\u7279\u4f4d\uff0c\u7528\u6765\u68c0\u9a8c\u9519\u8bef\u3002\u5b83\u5e38\u5e38\u662f\u4ece\u4e24\u4e2a\u6216\u66f4\u591a\u7684\u539f\u59cb\u6570\u636e\u4e2d\u4ea7\u751f\u4e00\u4e2a\u5197\u4f59\u6570\u636e\uff0c\u5197\u4f59\u6570\u636e\u53ef\u4ee5\u4ece\u4e00\u4e2a\u539f\u59cb\u6570\u636e\u4e2d\u8fdb\u884c\u91cd\u5efa\u3002\u4e0d\u8fc7\uff0c\u5947\u5076\u6821\u9a8c\u6570\u636e\u5e76\u4e0d\u662f\u5bf9\u539f\u59cb\u6570\u636e\u7684\u5b8c\u5168\u590d\u5236\u3002<\/p>\n<p>\u5728RAID\u4e2d\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e94\u7528\u5230\u9635\u5217\u4e2d\u7684\u6240\u6709\u78c1\u76d8\u9a71\u52a8\u5668\u4e0a\u3002\u5947\u5076\u6821\u9a8c\u4f4d\u8fd8\u53ef\u4ee5\u7ec4\u6210\u4e13\u7528\u7684\u5947\u5076\u6821\u9a8c\u65b9\u5f0f\uff0c\u5728\u4e13\u7528\u5947\u5076\u6821\u9a8c\u4e2d\uff0c\u5947\u5076\u6821\u9a8c\u6570\u636e\u53ef\u5206\u5e03\u5728\u7cfb\u7edf\u4e2d\u6240\u6709\u7684\u78c1\u76d8\u4e0a\u3002\u5982\u679c\u4e00\u4e2a\u78c1\u76d8\u53d1\u751f\u6545\u969c\uff0c\u53ef\u4ee5\u901a\u8fc7\u5176\u5b83\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u548c\u5947\u5076\u6821\u9a8c\u6570\u636e\u91cd\u5efa\u51fa\u8fd9\u4e2a\u6545\u969c\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u3002<\/p>\n<p>Power Fail Safeguard\uff1a\u6389\u7535\u4fdd\u62a4<\/p>\n<p>\u5f53\u6b64\u9879\u8bbe\u7f6e\u4e3a\u53ef\u7528\u65f6\uff0c\u5728\u91cd\u6784\u8fc7\u7a0b\u4e2d\uff08\u975e\u91cd\u5efa\uff09\uff0c\u6240\u6709\u7684\u6570\u636e\u5c06\u4e00\u76f4\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\uff0c\u76f4\u5230\u91cd\u6784\u5b8c\u6210\u540e\u624d\u5220\u9664\u3002\u8fd9\u6837\u5982\u679c\u5728\u91cd\u6784\u8fc7\u7a0b\u4e2d\u53d1\u751f\u6389\u7535\uff0c\u5c06\u4e0d\u4f1a\u53d1\u751f\u6570\u636e\u4e22\u5931\u7684\u5371\u9669\u60c5\u51b5\u3002<\/p>\n<p>RAID\uff1a\u72ec\u7acb\u5197\u4f59\u78c1\u76d8\u9635\u5217<\/p>\n<p>\u72ec\u7acb\u5197\u4f59\u78c1\u76d8\u9635\u5217\u6700\u521d\u53eb\u505a\u5ec9\u4ef7\u5197\u4f59\u78c1\u76d8\u9635\u5217\uff08Redundant Array of Inexpensive Disks\uff09\uff0c\u5b83\u662f\u7531\u591a\u4e2a\u5c0f\u5bb9\u91cf\u3001\u72ec\u7acb\u7684\u786c\u76d8\u7ec4\u6210\u7684\u9635\u5217\uff0c\u800c\u9635\u5217\u7efc\u5408\u7684\u6027\u80fd\u53ef\u4ee5\u8d85\u8fc7\u5355\u4e00\u6602\u8d35\u5927\u5bb9\u91cf\u786c\u76d8\uff08SLED\uff09\u7684\u6027\u80fd\u3002\u7531\u4e8e\u662f\u5bf9\u591a\u4e2a\u78c1\u76d8\u5e76\u884c\u64cd\u4f5c\uff0c\u6240\u4ee5RAID\u78c1\u76d8\u5b50\u7cfb\u7edf\u4e0e\u5355\u4e00\u78c1\u76d8\u76f8\u6bd4\u5b83\u7684\u8f93\u5165\u8f93\u51fa\u6027\u80fd\u5f97\u5230\u4e86\u63d0\u9ad8\u3002\u670d\u52a1\u5668\u4f1a\u628aRAID\u9635\u5217\u770b\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u5b58\u50a8\u5355\u5143\uff0c\u5e76\u5bf9\u51e0\u4e2a\u78c1\u76d8\u540c\u65f6\u8bbf\u95ee\uff0c\u6240\u4ee5\u63d0\u9ad8\u4e86\u8f93\u5165\u8f93\u51fa\u7684\u901f\u7387\u3002<\/p>\n<p>RAID Levels\uff1aRAID\u7ea7\u522b<\/p>\n<p>RAID\u7ea7\u522b\u4e3a\u4e0d\u540c\u5197\u4f59\u7c7b\u578b\u5728\u903b\u8f91\u9a71\u52a8\u5668\u4e0a\u7684\u5e94\u7528\u3002\u5b83\u53ef\u4ee5\u63d0\u9ad8\u903b\u8f91\u9a71\u52a8\u5668\u7684\u6545\u969c\u5bb9\u8bb8\u5ea6\u548c\u6027\u80fd\uff0c\u4f46\u4e5f\u4f1a\u51cf\u5c11\u903b\u8f91\u9a71\u52a8\u5668\u7684\u53ef\u7528\u5bb9\u91cf\uff0c\u6bcf\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\u90fd\u5fc5\u987b\u6307\u5b9a\u4e00\u4e2aRAID\u7ea7\u522b\u3002<\/p>\n<p>RAID 1\uff0c3\u548c5\u7684\u903b\u8f91\u9a71\u52a8\u5668\u4f7f\u7528\u4e86\u5355\u4e00\u7684\u9635\u5217\uff0c\u9644\u88681\u63cf\u8ff0\u4e86\u5b83\u4eec\u7684\u5177\u4f53\u60c5\u51b5\u3002\u7b80\u5355\u5730\u8bf4\uff0cRAID 0\u662f\u6ca1\u6709\u5197\u4f59\uff0c\u5b83\u53ef\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u7269\u7406\u9a71\u52a8\u5668\u7ec4\u6210\uff1bRAID 1\u662f\u955c\u50cf\u5197\u4f59\uff0c\u5b83\u5728\u4e00\u4e2a\u9635\u5217\u4e2d\u9700\u8981\u4e24\u4e2a\u7269\u7406\u9a71\u52a8\u5668\uff1bRAID 3\u4e3a\u4e13\u7528\u5947\u5076\u6821\u9a8c\u5197\u4f59\uff0c\u5373\u6240\u6709\u7684\u5197\u4f59\u6570\u636e\u90fd\u5b58\u50a8\u5728\u4e00\u4e2a\u4e13\u7528\u7684\u78c1\u76d8\u4e0a\uff0c\u4e00\u4e2a\u9635\u5217\u81f3\u5c11\u7531\u4e09\u4e2a\u7269\u7406\u9a71\u52a8\u5668\u7ec4\u6210\uff1bRAID 5\u4e3a\u5206\u6563\u5947\u5076\u6821\u9a8c\u5197\u4f59\uff0c\u5373\u9635\u5217\u4e2d\u7684\u5197\u4f59\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u9635\u5217\u4e2d\u6240\u6709\u78c1\u76d8\u4e0a\uff0c\u5b83\u7684\u4e00\u4e2a\u9635\u5217\u4e2d\u81f3\u5c11\u9700\u8981\u4e09\u4e2a\u7269\u7406\u9a71\u52a8\u5668\u3002<\/p>\n<p>RAID 10\uff0c30\u548c50\u662f\u903b\u8f91\u9a71\u52a8\u5668\u8de8\u8d8a\u9635\u5217\u800c\u7ec4\u6210\u7684\u3002\u9644\u88682\u63cf\u8ff0\u4e86\u8de8\u8d8a\u78c1\u76d8\u9635\u5217\u7684\u60c5\u51b5\u3002<\/p>\n<p>Read Policy\uff1a\u8bfb\u53d6\u7b56\u7565<\/p>\n<p>NetRAID\u63a7\u5236\u5668\u63d0\u4f9b\u4e86\u4e09\u79cd\u8bfb\u53d6\u7b56\u7565\uff0c\u5206\u522b\u4e3aRead-Ahead\uff08\u9884\u8bfb\uff09\uff0cNormal\uff08\u6807\u51c6\uff09\u548cAdaptive\uff08\u9002\u4e2d\uff09\u3002<\/p>\n<p>\u9884\u8bfb\u662f\u5728\u8fd0\u884c\u4e2d\uff0c\u63a7\u5236\u5668\u4e0d\u65ad\u7684\u63d0\u524d\u8bfb\u53d6\u672a\u88ab\u8bf7\u6c42\u7684\u6570\u636e\uff0c\u628a\u5b83\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u5e76\u671f\u671b\u8fd9\u4e9b\u6570\u636e\u80fd\u88ab\u4f7f\u7528\u3002\u9884\u8bfb\u53ef\u4ee5\u66f4\u5feb\u7684\u63d0\u4f9b\u8fde\u7eed\u6570\u636e\uff0c\u5f53\u8bbf\u95ee\u7684\u662f\u968f\u673a\u6570\u636e\u65f6\u6548\u679c\u5c31\u4e0d\u4f73\u4e86\u3002<\/p>\n<p>\u6807\u51c6\u7b56\u7565\u4e0d\u4f7f\u7528\u9884\u8bfb\u7684\u65b9\u6cd5\uff0c\u5f53\u8bfb\u53d6\u7684\u6570\u636e\u5927\u90e8\u5206\u4e3a\u968f\u673a\u6570\u636e\u65f6\uff0c\u8fd9\u4e2a\u7b56\u7565\u662f\u6700\u6709\u6548\u7684\u3002<\/p>\n<p>\u9002\u4e2d\u7b56\u7565\u662f\u5f53\u8bbf\u95ee\u7684\u6700\u540e\u4e24\u4e2a\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u5b58\u50a8\u5728\u8fde\u7eed\u6247\u533a\u4e0a\u65f6\uff0c\u5c06\u91c7\u7528\u9884\u8bfb\u7684\u65b9\u6cd5\u3002<\/p>\n<p>Ready State\uff1a\u5c31\u7eea\u72b6\u6001<\/p>\n<p>\u5c31\u7eea\u72b6\u6001\u662f\u4e00\u4e2a\u53ef\u7528\u7684\u786c\u76d8\uff0c\u5b83\u5373\u4e0d\u5728\u7ebf\u4e5f\u4e0d\u662f\u70ed\u5907\u7528\u76d8\uff0c\u5e76\u53ef\u4ee5\u6dfb\u52a0\u5230\u4efb\u4e00\u4e2a\u9635\u5217\u4e2d\u6216\u8005\u6307\u5b9a\u4e3a\u70ed\u5907\u7528\u76d8\u7684\u8fd9\u79cd\u786c\u76d8\u72b6\u6001\u3002 \u3000\u3000Rebuild\uff1a\u91cd\u5efa<\/p>\n<p>\u5728RAID 1\uff0c3\uff0c5\uff0c10\uff0c30\u621650\u9635\u5217\u4e2d\u628a\u4e00\u4e2a\u6545\u969c\u76d8\u4e0a\u7684\u6240\u6709\u6570\u636e\u518d\u751f\u5230\u66ff\u6362\u78c1\u76d8\u4e0a\u7684\u8fc7\u7a0b\u3002\u78c1\u76d8\u91cd\u5efa\u8fc7\u7a0b\u4e2d\u903b\u8f91\u9a71\u52a8\u5668\u901a\u5e38\u4e0d\u4f1a\u4e2d\u65ad\u5bf9\u5176\u6570\u636e\u7684\u8bbf\u95ee\u8bf7\u6c42\u3002<\/p>\n<p>Rebuild Rate\uff1a\u91cd\u5efa\u7387<\/p>\n<p>\u91cd\u5efa\u64cd\u4f5c\u8fc7\u7a0b\u7684\u901f\u5ea6\u3002\u6bcf\u4e2a\u63a7\u5236\u5668\u90fd\u5206\u914d\u4e86\u91cd\u5efa\u7387\uff0c\u5b83\u53cd\u6620\u7684\u662f\u5728\u91cd\u5efa\u64cd\u4f5c\u4e2dIOP\u8d44\u6e90\u4f7f\u7528\u7684\u767e\u5206\u6bd4\u3002<\/p>\n<p>Reconstruct\uff1a\u91cd\u6784<\/p>\n<p>\u5728\u6539\u53d8RAID\u7ea7\u522b\u540e\uff0c\u5bf9\u903b\u8f91\u9a71\u52a8\u5668\u4e0a\u7684\u6570\u636e\u91cd\u65b0\u6574\u7406\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>SCSI Disk Status\uff1aSCSI\u78c1\u76d8\u72b6\u6001<\/p>\n<p>SCSI\u78c1\u76d8\uff08\u7269\u7406\u9a71\u52a8\u5668\uff09\u53ef\u4ee5\u6709\u4ee5\u4e0b\u4e94\u79cd\u72b6\u6001\uff0c\u5206\u522b\u4e3aReady\uff08\u5c31\u7eea\uff09\uff0c\u672a\u914d\u7f6e\u7684\u52a0\u7535\u53ef\u64cd\u4f5c\u78c1\u76d8\uff1bOnline\uff08\u5728\u7ebf\uff09\uff0c\u914d\u7f6e\u8fc7\u7684\u52a0\u7535\u53ef\u64cd\u4f5c\u78c1\u76d8\uff1bHot Spare\uff08\u70ed\u5907\u7528\uff09\uff0c\u5f53\u4e00\u4e2a\u78c1\u76d8\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u51c6\u5907\u4f7f\u7528\u7684\u52a0\u7535\u5f85\u7528\u78c1\u76d8\uff1bFailed\uff08\u6545\u969c\uff09\uff0c\u78c1\u76d8\u53d1\u751f\u9519\u8bef\u5bfc\u81f4\u5931\u6548\u6216\u7528\u6237\u5229\u7528NetRAID\u63a7\u5236\u5668\u5b9e\u7528\u7a0b\u5e8f\u4f7f\u9a71\u52a8\u5668\u8131\u673a\u7684\u72b6\u6001\uff1bRebuilding\uff08\u91cd\u5efa\uff09\uff0c\u78c1\u76d8\u6b63\u5904\u4e8e\u4ece\u4e00\u4e2a\u6216\u51e0\u4e2a\u5173\u952e\u6027\u903b\u8f91\u9a71\u52a8\u5668\u4e0a\u6062\u590d\u6570\u636e\u7684\u8fc7\u7a0b\u4e2d\u3002<\/p>\n<p>Stripe Size\uff1a\u6761\u5e26\u5bb9\u91cf<\/p>\n<p>\u5728\u6bcf\u4e2a\u78c1\u76d8\u4e0a\u8fde\u7eed\u5199\u5165\u6570\u636e\u7684\u603b\u91cf\uff0c\u4e5f\u79f0\u4f5c\u201c\u6761\u5e26\u6df1\u5ea6\u201d\u3002\u4f60\u53ef\u4ee5\u6307\u5b9a\u6bcf\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\u7684\u6761\u5e26\u5bb9\u91cf\u4ece2KB\uff0c4KB\uff0c8KB\u4e00\u76f4\u5230128KB\u3002\u4e3a\u4e86\u83b7\u5f97\u66f4\u9ad8\u7684\u6027\u80fd\uff0c\u8981\u9009\u62e9\u6761\u5e26\u7684\u5bb9\u91cf\u7b49\u4e8e\u6216\u5c0f\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u7c07\u7684\u5927\u5c0f\u3002\u5927\u5bb9\u91cf\u7684\u6761\u5e26\u4f1a\u4ea7\u751f\u66f4\u9ad8\u7684\u8bfb\u53d6\u6027\u80fd\uff0c\u5c24\u5176\u5728\u8bfb\u53d6\u8fde\u7eed\u6570\u636e\u7684\u65f6\u5019\u3002\u800c\u8bfb\u53d6\u968f\u673a\u6570\u636e\u7684\u65f6\u5019\uff0c\u6700\u597d\u8bbe\u5b9a\u6761\u5e26\u7684\u5bb9\u91cf\u5c0f\u4e00\u70b9\u3002\u5982\u679c\u6307\u5b9a128KB\u7684\u6761\u5e26\u5c06\u9700\u89818MB\u5185\u5b58\u3002<\/p>\n<p>Striping\uff1a\u6761\u5e26\u5316<\/p>\n<p>\u6761\u5e26\u5316\u662f\u628a\u8fde\u7eed\u7684\u6570\u636e\u5206\u5272\u6210\u76f8\u540c\u5927\u5c0f\u7684\u6570\u636e\u5757\uff0c\u628a\u6bcf\u6bb5\u6570\u636e\u5206\u522b\u5199\u5165\u5230\u9635\u5217\u4e2d\u4e0d\u540c\u78c1\u76d8\u4e0a\u7684\u65b9\u6cd5\u3002\u6b64\u6280\u672f\u975e\u5e38\u6709\u7528\uff0c\u5b83\u6bd4\u5355\u4e2a\u78c1\u76d8\u6240\u80fd\u63d0\u4f9b\u7684\u8bfb\u5199\u901f\u5ea6\u8981\u5feb\u7684\u591a\uff0c\u5f53\u6570\u636e\u4ece\u7b2c\u4e00\u4e2a\u78c1\u76d8\u4e0a\u4f20\u8f93\u5b8c\u540e\uff0c\u7b2c\u4e8c\u4e2a\u78c1\u76d8\u5c31\u80fd\u786e\u5b9a\u4e0b\u4e00\u6bb5\u6570\u636e\u3002\u6570\u636e\u6761\u5e26\u5316\u6b63\u5728\u4e00\u4e9b\u73b0\u4ee3\u6570\u636e\u5e93\u548c\u67d0\u4e9bRAID\u786c\u4ef6\u8bbe\u5907\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<p>Virtual Sizing\uff1a\u865a\u62df\u5bb9\u91cf<\/p>\n<p>\u5f53\u6b64\u8bbe\u7f6e\u751f\u6548\u540e\uff0c\u5bf9\u4e00\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\u6765\u8bf4\uff0c\u63a7\u5236\u5668\u5c06\u62a5\u544a\u903b\u8f91\u9a71\u52a8\u5668\u7684\u5bb9\u91cf\u6bd4\u5b9e\u9645\u7684\u7269\u7406\u5bb9\u91cf\u8981\u5927\u7684\u591a\u3002\u201c\u865a\u62df\u201d\u7a7a\u95f4\u53ef\u4ee5\u5141\u8bb8\u5728\u7ebf\u6269\u5bb9\u3002<\/p>\n<p>Write policy\uff1a\u5199\u5165\u7b56\u7565<\/p>\n<p>\u5f53\u5904\u7406\u5668\u5411\u78c1\u76d8\u4e0a\u5199\u5165\u6570\u636e\u7684\u65f6\u5019\uff0c\u6570\u636e\u5148\u88ab\u5199\u5165\u9ad8\u901f\u7f13\u5b58\u4e2d\uff0c\u5e76\u8ba4\u4e3a\u5904\u7406\u5668\u6709\u53ef\u80fd\u9a6c\u4e0a\u518d\u6b21\u8bfb\u53d6\u5b83\u3002NetRAID\u6709\u4e24\u79cd\u5982\u4e0b\u7684\u5199\u5165\u7b56\u7565\uff1a<\/p>\n<p>Write Back\uff08\u56de\u5199\uff09\uff0c\u5728\u56de\u5199\u72b6\u6001\u4e0b\uff0c\u6570\u636e\u53ea\u6709\u5728\u8981\u88ab\u4ece\u9ad8\u901f\u7f13\u5b58\u4e2d\u6e05\u9664\u65f6\u624d\u5199\u5230\u78c1\u76d8\u4e0a\u3002\u968f\u7740\u4e3b\u5b58\u8bfb\u53d6\u7684\u6570\u636e\u589e\u52a0\uff0c\u56de\u5199\u9700\u8981\u5f00\u59cb\u4ece\u9ad8\u901f\u7f13\u5b58\u4e2d\u5411\u78c1\u76d8\u4e0a\u5199\u6570\u636e\uff0c\u5e76\u628a\u66f4\u65b0\u7684\u6570\u636e\u5199\u5165\u9ad8\u901f\u7f13\u5b58\u4e2d\u3002\u7531\u4e8e\u4e00\u4e2a\u6570\u636e\u53ef\u80fd\u4f1a\u88ab\u5199\u5165\u9ad8\u901f\u7f13\u5b58\u4e2d\u8bb8\u591a\u6b21\uff0c\u800c\u6ca1\u6709\u8fdb\u884c\u78c1\u76d8\u5b58\u53d6\uff0c\u6240\u4ee5\u56de\u5199\u7684\u6548\u7387\u975e\u5e38\u9ad8\u3002<\/p>\n<p>Write Through\uff08\u5b8c\u5168\u5199\u5165\uff09\uff0c\u5728\u5b8c\u5168\u5199\u5165\u72b6\u6001\u4e0b\uff0c\u6570\u636e\u5728\u8f93\u5165\u5230\u9ad8\u901f\u7f13\u5b58\u65f6\uff0c\u5b83\u540c\u65f6\u4e5f\u88ab\u5199\u5230\u78c1\u76d8\u4e0a\u3002\u56e0\u4e3a\u6570\u636e\u5df2\u7ecf\u590d\u5236\u5230\u78c1\u76d8\u4e0a\uff0c\u6240\u4ee5\u5728\u9ad8\u901f\u7f13\u5b58\u4e2d\u53ef\u4ee5\u76f4\u63a5\u66f4\u6539\u8981\u66ff\u6362\u7684\u6570\u636e\uff0c\u56e0\u6b64\u5b8c\u5168\u5199\u5165\u8981\u6bd4\u56de\u5199\u7b80\u5355\u7684\u591a\u3002<\/p>\n<p>\u5b58\u50a8\u6280\u672f &gt; \u78c1\u76d8\u955c\u50cf \u78c1\u76d8\u955c\u50cf\u662f\u4e00\u4e2a\u7b80\u5355\u5f62\u5f0f\u7684\u8bbe\u5907\u865a\u62df\u5316\u6280\u672f\uff0c\u4ea7\u751f\u7684\u6bcf\u4e2aI \/ O\u64cd\u4f5c\u90fd\u5728\u4e24\u4e2a\u78c1\u76d8\u4e0a\u6267\u884c\uff0c \u800c\u4e24\u4e2a\u78c1\u76d8\u770b\u8d77\u6765\u5c31\u50cf\u4e00\u4e2a\u78c1\u76d8\u4e00\u6837\u3002\u78c1\u76d8\u955c\u50cf\u4e5f\u79f0R A I D 1\u3002<\/p>\n<p>\u5b58\u50a8\u6280\u672f &gt; \u5b58\u50a8\u533a\u57df\u7f51\u7edc\uff08 S A N\uff09 \u5b58\u50a8\u533a\u57df\u7f51\u7edc\uff08 S A N\uff09\u662f\u4e00\u79cd\u4e13\u7528\u7f51\u7edc\uff0c\u53ef\u4ee5\u628a\u4e00\u4e2a\u6216\u591a\u4e2a\u7cfb\u7edf\u8fde\u63a5\u5230\u5b58\u50a8\u8bbe\u5907\u548c\u5b50\u7cfb\u7edf\uff0c S A N\u53ef\u4ee5\u88ab\u770b\u4f5c\u662f\u8d1f\u8d23\u5b58\u50a8\u4f20\u8f93\u7684\u201c\u540e\u7aef\u201d\u7f51\u7edc\uff0c\u800c\u201c\u524d\u7aef\u201d\u7f51\u7edc(\u6216\u79f0\u6570\u636e\u7f51\u7edc)\u8d1f\u8d23\u6b63\u5e38\u7684 T C P \/ I P\u4f20\u8f93\u3002<\/p>\n<p>\u5b58\u50a8\u6280\u672f &gt; \u7f51\u7edc\u8fde\u63a5\u5b58\u50a8\uff08 N A S\uff09 \u7f51\u7edc\u8fde\u63a5\u5b58\u50a8\uff08 N A S\uff09\uff0c\u8868\u793a\u603b\u63a7\u7684\u7f51\u7edc\u5b58\u50a8\u670d\u52a1\u5668\u4ea7\u54c1\u3002\u5178\u578b\u7684N A S\u90fd\u8fde\u63a5\u5230\u666e\u901a\u7684\u7f51\u7edc \u4e0a\uff0c\u901a\u5e38\u662f\u4ee5\u592a\u7f51\uff0c\u63d0\u4f9b\u5e26\u6709\u9884\u5148\u914d\u7f6e\u597d\u7684\u78c1\u76d8\u5bb9\u91cf\u548c\u5b58\u50a8\u7ba1\u7406\u8f6f\u4ef6\u7684\u96c6\u6210\u7cfb\u7edf\uff0c\u6784\u6210\u4e00\u4e2a\u5b8c \u5907\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RAID\u7b80\u4ecb \u5185\u5d4c\u5fae\u5904\u7406\u5668\u7684\u78c1\u76d8\u5b50\u7cfb\u7edf\u901a\u5e38\u79f0\u4e3aR A I D\u7cfb\u7edf\u3002R A I D\u9635\u5217\u7684\u53ef\u7528\u5bb9\u91cf\u603b\u5c0f\u4e8e\u6210\u5458\u78c1\u76d8\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[233],"class_list":["post-508","post","type-post","status-publish","format-standard","hentry","category-pcserver","tag-raid"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=508"}],"version-history":[{"count":0,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/508\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}