{"id":2636,"date":"2018-09-23T16:01:49","date_gmt":"2018-09-23T08:01:49","guid":{"rendered":"http:\/\/www.chenlianfu.com\/?p=2636"},"modified":"2025-05-19T17:50:14","modified_gmt":"2025-05-19T09:50:14","slug":"linux%e7%b3%bb%e7%bb%9f%e4%b8%8b%e4%bd%bf%e7%94%a8megacli%e8%bd%af%e4%bb%b6%e5%af%b9%e7%a3%81%e7%9b%98%e9%98%b5%e5%88%97%e8%bf%9b%e8%a1%8c%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"http:\/\/www.chenlianfu.com\/?p=2636","title":{"rendered":"Linux\u7cfb\u7edf\u4e0b\u4f7f\u7528MegaCli\u8f6f\u4ef6\u5bf9\u78c1\u76d8\u9635\u5217\u8fdb\u884c\u64cd\u4f5c"},"content":{"rendered":"

\u82e5\u7ba1\u7406\u7684\u670d\u52a1\u5668\u6bd4\u8f83\u591a\uff0c\u670d\u52a1\u5668\u7684\u786c\u76d8\u7ecf\u5e38\u4f1a\u574f\u6389\u3002\u53ef\u4ee5\u4f7f\u7528megacli\u547d\u4ee4\u6765\u67e5\u770b\u78c1\u76d8\u9635\u5217\u4e2d\u7684\u78c1\u76d8\u662f\u5426\u635f\u574f\u3002<\/p>\n

1. CentOS6\u7cfb\u7edf\u4e0b\u5b89\u88c5MegaCli\u8f6f\u4ef6<\/h1>\n

\u5728\u4e00\u4e9brpm\u7f51\u7ad9\u4e2d\u641c\u7d22megacli<\/a>\u3002\u7136\u540e\u4e0b\u8f7dmegacli\u7684rpm\u5305\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n

# wget http:\/\/rpmfind.net\/linux\/openmandriva\/3.0\/repository\/x86_64\/non-free\/release\/megacli-8.02.21-4-omv2015.0.x86_64.rpm
# wget http:\/\/mirror.rosalab.ru\/openmandriva\/3.0\/repository\/x86_64\/media\/non-free\/release\/megacli-8.02.21-4-omv2015.0.x86_64.rpm\n# yum install megacli-8.02.21-4-omv2015.0.x86_64.rpm\nmegacli\u7684\u4f7f\u7528\u9700\u8981\u4f9d\u8d56libsysfs\u5e93\u6587\u4ef6\n# yum install libsysfs\n# ln -s \/usr\/lib64\/libsysfs.so.2.0.1 \/usr\/lib64\/libsysfs.so.2.0.2\n<\/pre>\n
2. \u4f7f\u7528megacli\u547d\u4ee4\u67e5\u770b\u78c1\u76d8<\/h1>\n
# megacli -PDList -aALL \n\u6b64\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u7269\u7406\u78c1\u76d8\u7684\u4fe1\u606f\u3002\n\u82e5Media Error Count\u548cOther Error Count\u7684\u503c\u5927\u4e8e0\uff0c\u5219\u8868\u793a\u78c1\u76d8\u53ef\u80fd\u574f\u6389\u4e86\u3002
megalci\u547d\u4ee4\u7684\u53c2\u6570\u540e\u63a5\u5176\u503c\uff0c\u4e2d\u95f4\u6ca1\u6709\u7a7a\u683c\u3002-a\u53c2\u6570\u8868\u793a\u4f7f\u7528\u7684adapter\u7f16\u53f7\u3002\n\n# megacli -LDInfo -LALL -aAll \n\u6b64\u547d\u4ee4\u67e5\u770b\u6240\u6709\u903b\u8f91\u78c1\u76d8\u7684\u4fe1\u606f\u3002

# megacli -LdPdInfo -a1
\u6b64\u547d\u4ee4\u5217\u51fa\u7b2c2\u4e2a\u9635\u5217\u5361\u4e0a\u5404\u903b\u8f91\u78c1\u76d8\u53ca\u5176\u6240\u5c5e\u7684\u7269\u7406\u78c1\u76d8\u4fe1\u606f\u3002\n\n# megacli -AdpAllInfo -aALL\n\u67e5\u770b\u9635\u5217\u5361\u4fe1\u606f\n\n# megacli -AdpBbuCmd -aAll\n\u67e5\u770b\u9635\u5217\u5361\u7535\u6c60\u4fe1\u606f<\/pre>\n\n\n
3. \u4f7f\u7528megalci\u547d\u4ee4\u5220\u9664\u6216\u521b\u5efa\u9635\u5217<\/h2>\n\n\n\n
\u6211\u6709\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u5176\u7b2c\u4e00\u4e2a\u9635\u5217\u5361\u4e0a\u67093\u5757\u786c\u76d8\u53d1\u751f\u4e86\u635f\u574f\uff0c\u5bfc\u81f410\u5757\u786c\u76d8\u7ec4RAID6\u7684\u903b\u8f91\u76d8\u6570\u636e\u4e22\u5931\u3002\u73b0\u5728\u62d4\u6389\u635f\u574f\u7684\u786c\u76d8\uff0c\u5c06\u540e\u9762\u4f4d\u7f6e\u76842\u5757\u786c\u76d8\u62d4\u4e0b\u8865\u5165\u5230\u524d\u9762\u7684\u786c\u76d8\u4f4d\u4e0a\uff0c\u518d\u5bf9\u5269\u4e0b\u7684\u786c\u76d8\u91cd\u65b0\u7ec4\u9635\u5217\u3002<\/p>\n\n\n\n
\u9996\u5148\uff0c\u5220\u9664\u7b2c\u4e00\u4e2a\u9635\u5217\u5361\u4e0a\u7684\u7b2c\u4e8c\u4e2a\u903b\u8f91\u76d8\u3002\u8be5\u903b\u8f91\u76d8\u7531\u4e8e\u7269\u7406\u786c\u76d8\u635f\u574f\u6570\u636e\u4e22\u5931\uff0c\u6570\u636e\u54b1\u4e5f\u4e0d\u8981\u4e86\uff0c\u76f4\u63a5\u5220\u9664\u5b83\u3002\n# megacli -CfgLdDel -L1 -a0\n-L\u53c2\u6570\u63a5\u903b\u8f91\u78c1\u76d8\u7684ID\u7f16\u53f7\uff0c-a\u53c2\u6570\u63a5\u9635\u5217\u5361\u7f16\u53f7\u3002\n\n\u5f53\u62d4\u6389\u540e\u9762\u7684\u786c\u76d8\u63d2\u5165\u524d\u9762\u635f\u574f\u76d8\u7684\u69fd\u4f4d\u65f6\uff0c\u786c\u76d8\u72b6\u6001\u53d8\u4e3aUnconfigured(bad)\uff0c\u9700\u8981\u5c06\u5176\u53d8\u4e3aUnconfigured(good)\u3002\u5c06\u7b2c\u4e00\u9635\u5217\u5361\u4e0a\u7684Enclosure Device ID: 3\/Slot Number: 2\u786c\u76d8\u53d8\u4e3aUnconfigured(good)\u3002\n# megacli -PDMakeGood -PhysDrv[3:2] -a0\n# megacli -PDMakeGood -PhysDrv[3:4] -a0\n\n\u82e5\u63d2\u62d4\u786c\u76d8\u6362\u4f4d\u53d1\u751f\u5728\u5220\u9664\u903b\u8f91\u5206\u533a\u4e4b\u524d\uff0c\u5219\u79fb\u4f4d\u7684\u786c\u76d8\u6ca1\u6709\u5220\u9664\u903b\u8f91\u5206\u533a\u4fe1\u606f\uff0c\u53d8\u4e3aForeign\u914d\u7f6e\uff0c\u9700\u8981\u6e05\u9664\u5176Foreign\u4fe1\u606f\u3002\u82e5\u4e0d\u6e05\u695aForeign\u4fe1\u606f\uff0c\u540e\u7eed\u4f7f\u7528\u5176\u786c\u76d8\u7ec4RAID\u4f1a\u62a5\u9519\uff1aMix of configured and unconfigured drives are not possible.\n# megacli -CfgForeign -Scan -a0\n# megacli -CfgForeign -Clear -a0\n\u5c06\u5916\u6e90\u78c1\u76d8\u9635\u5217\u5bfc\u5165\u5230\u9635\u5217\u5361\u4e2d\n# megacli -CfgForeign -Import -a0\n\n\u5bf9\u5269\u4e0b\u76847\u5757\u786c\u76d8\u7ec4RAID6\uff0c\u5e76\u4f7f\u5176\u4e2d\u4e00\u4e2a\u786c\u76d8\u4e3a\u70ed\u5907\u76d8\u3002\u8fd9\u4e9b\u78c1\u76d8\u53ef\u80fd\u90fd\u6bd4\u8f83\u8106\u5f31\u4e86\uff0c\u53ef\u80fd\u5bb9\u6613\u574f\uff0c\u505a\u975e\u5e38\u5b89\u5168\u7684RAID\u7b56\u7565\u3002\n# megacli -CfgLdAdd -r6[3:1,3:2,3:3,3:4,3:5,3:6] WB ADRA Direct CachedBadBBU -Hsp[3:7] -a0\n\u8bbe\u7f6eWB ADRA Direct CachedBadBBU\u7b49\u7f13\u5b58\u7b56\u7565\u53c2\u6570\u4e3a\u8be5\u903b\u8f91\u76d8\u7684\u9ed8\u8ba4\u7b56\u7565\u3002<\/code><\/pre>\n\n\n\n
\u5bf9\u78c1\u76d8\u6362\u6210\u7b56\u7565\u89e3\u91ca\u5982\u4e0b\uff1a<\/p>\n\n\n\n
WT\/WB: \u8bbe\u7f6e\u78c1\u76d8\u5199\u5165\u7b56\u7565\u3002WT\u4e3aWrite Through\uff0c\u5373\u76f4\u5199\uff0c\u8868\u793a\u5c06\u6570\u636e\u5199\u5165\u786c\u76d8\u65f6\uff0c\u4e0d\u7ecf\u8fc7\u9635\u5217\u5361\u7f13\u5b58\u76f4\u63a5\u5199\u5165\uff0c\u662f\u9ed8\u8ba4\u7b56\u7565\uff1bWB\u4e3aWrite Back\uff0c\u5373\u56de\u5199\uff0c\u8868\u793a\u6570\u636e\u5199\u5165\u786c\u76d8\u65f6\uff0c\u5148\u5199\u5165\u9635\u5217\u5361\u7f13\u5b58\uff0c\u5f53\u7f13\u5b58\u5199\u6ee1\u65f6\u518d\u5199\u5165\u786c\u76d8\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u7f13\u5b58\u5199\u5165\u901f\u5ea6\u5feb\uff0c\u5c06\u6570\u636e\u5199\u5165\u7f13\u5b58\u80fd\u63d0\u9ad8\u8bfb\u5199\u901f\u5ea6\uff0c\u6781\u5927\u51cf\u5c11\u771f\u5b9e\u7684\u78c1\u76d8\u5199\u5165\u65f6\u95f4\u3002\u8fd9\u6837\u4f7f\u7528\u56de\u5199\u7b56\u7565\u65e2\u80fd\u63d0\u9ad8\u903b\u8f91\u76d8\u5199\u5165\u6027\u80fd\uff0c\u4e5f\u80fd\u589e\u52a0\u78c1\u76d8\u5bff\u547d\u3002\u4f7f\u7528\u56de\u5199\u7b56\u7565\uff0c\u6570\u636e\u53ef\u80fd\u4f1a\u7559\u5728\u7f13\u5b58\uff0c\u5728\u670d\u52a1\u5668\u65ad\u7535\u4e14\u9635\u5217\u5361\u6ca1\u6709\u7535\u6c60\u65f6\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\nNORA\/RA\/ADRA\uff1a\u8bbe\u7f6e\u78c1\u76d8\u8bfb\u53d6\u7b56\u7565\u3002NORA\u4e3aNO Read Ahead\uff0c\u5373\u4e0d\u9884\u8bfb\uff1bRA\u4e3aRead Ahead\uff0c\u5373\u5f3a\u5236\u9884\u8bfb\uff0c\u5728\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\u65f6\uff0c\u9884\u5148\u628a\u540e\u9762\u987a\u5e8f\u7684\u6570\u636e\u8f7d\u5165\u9635\u5217\u5361\u5361\u7f13\u5b58\uff0c\u8fd9\u6837\u80fd\u5728\u987a\u5e8f\u8bfb\u5199\u73af\u5883\u63d0\u4f9b\u5f88\u597d\u7684\u6027\u80fd\uff0c\u4f46\u662f\u5728\u968f\u673a\u8bfb\u7684\u73af\u5883\u4e2d\u53cd\u800c\u964d\u4f4e\u8bfb\u53d6\u6027\u80fd\uff0c\u5b83\u9002\u5408\u6587\u4ef6\u7cfb\u7edf\uff0c\u800c\u4e0d\u9002\u5408\u6570\u636e\u5e93\u7cfb\u7edf\uff1bADaptive Read Ahead,\u5373\u81ea\u9002\u5e94\u9884\u8bfb\uff0c\u5728\u7f13\u5b58\u548cI\/O\u7a7a\u95f2\u65f6\u8fdb\u884c\u9884\u8bfb\uff0c\u662f\u9ed8\u8ba4\u7b56\u7565\u3002\nDirect\/Cached\uff1aDirect\u8868\u793a\u8bfb\u53d6\u64cd\u4f5c\u4e0d\u7f13\u5b58\u5230\u9635\u5217\u5361\u7f13\u5b58\uff0c\u662f\u9ed8\u8ba4\u7b56\u7565\uff1bCached\u8868\u793a\u8bfb\u53d6\u64cd\u4f5c\u5148\u7f13\u5b58\u5230\u9635\u5217\u5361\uff0c\u8fd9\u6709\u5229\u4e8e\u6570\u636e\u7684\u518d\u6b21\u5feb\u901f\u8bfb\u53d6\u3002\nCachedBadBBU\/NoCachedBadBBU\uff1aCachedBadBBU\u4e3aWrite Cache OK if Bad BBU\uff0c\u5373\u5728\u7535\u6c60\u635f\u574f\u65f6\u4f9d\u7136\u91c7\u53d6\u56de\u5199\u7f13\u5b58\u7b56\u7565\uff1b\u540e\u8005\u8868\u793a\u5f53\u7535\u6c60\u635f\u574f\u65f6\u91c7\u53d6\u53ea\u5199\u7f13\u5b58\u7b56\u7565\u3002<\/pre>\n\n\n\n
\u5728\u672c\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u7b2c\u4e8c\u4e2a\u9635\u5217\u5361\u7531\u4e8e\u7535\u6c60\u5bb9\u91cf\u4f4e\u9700\u8981\u66f4\u6362\uff0c\u5bfc\u81f4\u8be5\u9635\u5217\u5361\u4e0a\u7b2c\u4e00\u4e2a\u903b\u8f91\u78c1\u76d8\u7684\u5199\u5165\u7b56\u7565\u53d8\u4e3aWrite Through\uff0c\u901a\u8fc7megacli\u547d\u4ee4\u4fee\u6539\u8be5\u9635\u5217\u5361\u4e0a\u7b2c\u4e00\u4e2a\u903b\u8f91\u78c1\u76d8\u7684\u7f13\u5b58\u7b56\u7565\uff1a<\/p>\n\n\n\n
# megacli -LDSetProp CachedBadBBU -L0 -a1<\/code><\/pre>\n\n\n\n
 4. \u4f7f\u7528megalci\u547d\u4ee4\u4fee\u6539\u9635\u5217\u4e2d\u865a\u62df\u78c1\u76d8\u4fe1\u606f <\/h2>\n\n\n\n
\u5f53\u9635\u5217\u5df2\u7ecf\u505a\u597d\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u73b0\u6709\u7684\u865a\u62df\u786c\u76d8\u8fdb\u884c\u914d\u7f6e\u4fee\u6539\u3002\u5c06\u7b2c\u4e00\u4e2a\u9635\u5217\u5361\u4e0a\u7684\u7b2c\u4e00\u4e2a\u865a\u62df\u786c\u76d8\u7684\u78c1\u76d8\u7f13\u5b58\u7b56\u7565\u4fee\u6539\u56de\u5199\u3002<\/p>\n\n\n\n
# megacli -LDSetProp WB -L0 -a0<\/code><\/pre>\n\n\n\n
\u7ed9\u7b2c\u4e00\u4e2a\u9635\u5217\u5361\u4e0a\u7b2c\u4e00\u4e2a\u865a\u62df\u786c\u76d8\u914d\u7f6e\u70ed\u5907\u76d8\u3002<\/p>\n\n\n\n
# megacli -PDHSP -Set -Dedicated -Array0 -PhysDrv [28:1]  -a0\n\n\u5176\u4e2d-a0\u8868\u793a\u7b2c\u4e00\u4e2a\u9635\u5217\u5361\uff0c-Array0\u8868\u793a\u7b2c\u4e00\u4e2a\u865a\u62df\u786c\u76d8\uff0c[28:1]\u524d\u540e\u6709\u4e2d\u62ec\u53f7\uff0c\u5bf9\u5e94\u6570\u5b57\u5206\u522b\u662fEnclosure Device ID\u548cSlot Number\u7684\u503c\u3002<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u82e5\u7ba1\u7406\u7684\u670d\u52a1\u5668\u6bd4\u8f83\u591a\uff0c\u670d\u52a1\u5668\u7684\u786c\u76d8\u7ecf\u5e38\u4f1a\u574f\u6389\u3002\u53ef\u4ee5\u4f7f\u7528megacli\u547d\u4ee4\u6765\u67e5\u770b\u78c1 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2636"}],"collection":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2636"}],"version-history":[{"count":9,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2636\/revisions"}],"predecessor-version":[{"id":3978,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2636\/revisions\/3978"}],"wp:attachment":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2636"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}