\u55ae\u4e00\u78c1\u789f\u6a5f\u6545\u969c\u7684\u5fa9\u539f\u7a0b\u5e8f<\/strong><\/h2>\n

\u5728\u8655\u7406\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7684\u55ae\u4e00\u78c1\u789f\u6a5f\u6545\u969c\u6642\uff0c\u6642\u9593\u81f3\u95dc\u91cd\u8981\u3002\u8acb\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n

\n
1. \u8b58\u5225\u6545\u969c\u78c1\u789f\u6a5f\uff1a\n

   \r\n# Linux\u7cfb\u7d71\u9069\u7528\r\nmdadm --detail \/dev\/md0\r\n# \u786c\u9ad4RAID\u9069\u7528\r\nmegacli -PDList -aALL | grep \"Firmware state\"\r\n        <\/code><\/pre>\n<\/li>\n
   \u5982\u679c\u60a8\u7684\u7cfb\u7d71\u652f\u63f4\uff0c\u71b1\u63d2\u62d4\u66f4\u63db\u6545\u969c\u78c1\u789f\u6a5f<\/li>\n
   \u555f\u52d5\u9663\u5217\u91cd\u5efa\uff1a\n
   \r\n# \u5c07\u65b0\u78c1\u789f\u6a5f\u6dfb\u52a0\u5230\u9663\u5217\r\nmdadm --add \/dev\/md0 \/dev\/sdX\r\n# \u76e3\u63a7\u91cd\u5efa\u9032\u5ea6\r\nwatch cat \/proc\/mdstat\r\n        <\/code><\/pre>\n<\/li>\n<\/ol>\n
   \u591a\u78c1\u789f\u6a5f\u6545\u969c\u7684\u9032\u968e\u5fa9\u539f<\/strong><\/h2>\n
   \u591a\u78c1\u789f\u6a5f\u6545\u969c\u9700\u8981\u5c08\u9580\u7684\u8655\u7406\u65b9\u6cd5\u3002\u5728\u9999\u6e2f\u7684\u8cc7\u6599\u4e2d\u5fc3\uff0c\u6211\u5011\u5df2\u6210\u529f\u5be6\u65bd\u4ee5\u4e0b\u5fa9\u539f\u6280\u8853\uff1a<\/p>\n
   1. \u5f37\u5236\u7d44\u88dd\u65b9\u6cd5\uff08\u9700\u8b39\u614e\u4f7f\u7528\uff09\uff1a<\/p>\n
   \r\nmdadm --assemble --force \/dev\/md0 \/dev\/sd[bcde]\r\nmdadm --run \/dev\/md0\r\n<\/code><\/pre>\n
   2. \u5fa9\u539f\u524d\u7684\u78c1\u789f\u6620\u50cf\uff1a<\/p>\n
   \r\n# \u5efa\u7acb\u4f4d\u5143\u7d44\u7d1a\u78c1\u789f\u6620\u50cf\r\ndd if=\/dev\/sdb of=\/path\/to\/backup\/disk1.img bs=4M status=progress\r\n# \u639b\u8f09\u6620\u50cf\u4ee5\u4f9b\u6aa2\u67e5\r\nmount -o loop,ro disk1.img \/mnt\/test\r\n<\/code><\/pre>\n
   \u57fa\u65bc\u8edf\u9ad4\u7684\u5fa9\u539f\u5de5\u5177<\/strong><\/h2>\n
   \u5c0d\u65bc\u9999\u6e2f\u4f3a\u670d\u5668\u4ee3\u7ba1\u8a2d\u65bd\uff0c\u6211\u5011\u63a8\u85a6\u4ee5\u4e0b\u4f01\u696d\u7d1a\u5fa9\u539f\u5de5\u5177\uff1a<\/p>\n
   \n
   TestDisk\uff1a\u958b\u6e90\u5fa9\u539f\u5957\u4ef6\n
   \r\n# TestDisk\u57fa\u672c\u5fa9\u539f\u547d\u4ee4\r\ntestdisk \/dev\/md0\r\n# \u9032\u968e\u6383\u63cf\u9078\u9805\r\ntestdisk --disk_only --enable-sudo \/dev\/md0\r\n        <\/code><\/pre>\n<\/li>\n
   ddrescue\uff1a\u7528\u65bc\u5177\u6709\u58de\u78c1\u5340\u7684\u68d8\u624b\u60c5\u6cc1\n
   \r\n# \u5169\u904d\u5fa9\u539f\r\nddrescue -n \/dev\/sdb \/dev\/sdc logfile\r\nddrescue -r3 \/dev\/sdb \/dev\/sdc logfile\r\n        <\/code><\/pre>\n<\/li>\n<\/ul>\n
   \u9810\u9632\u63aa\u65bd\u548c\u76e3\u63a7<\/strong><\/h2>\n
   \u5728\u60a8\u7684\u8cc7\u6599\u4e2d\u5fc3\u5be6\u65bd\u4ee5\u4e0b\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
   \r\n# \u6dfb\u52a0\u5230crontab\u4ee5\u9032\u884c\u81ea\u52d5\u76e3\u63a7\r\n*\/30 * * * * \/usr\/local\/bin\/raid_health_check.sh\r\n\r\n# \u793a\u4f8b\u76e3\u63a7\u8173\u672c\r\n#!\/bin\/bash\r\nRAID_STATUS=$(mdadm --detail \/dev\/md0 | grep State)\r\nif [[ $RAID_STATUS != *\"clean\"* ]]; then\r\n    alert_admin \"\u6aa2\u6e2c\u5230RAID\u9663\u5217\u554f\u984c\"\r\nfi\r\n<\/code><\/pre>\n
   \u5fa9\u539f\u6642\u9593\u4f30\u7b97<\/strong><\/h2>\n
   \u57fa\u65bc\u6211\u5011\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u7684\u7d93\u9a57\uff0c\u5178\u578b\u5fa9\u539f\u6642\u9593\u70ba\uff1a<\/p>\n
   \n
   \u55ae\u4e00\u78c1\u789f\u6a5f\u6545\u969c\uff1a4-8\u5c0f\u6642\uff081TB\u78c1\u789f\u6a5f\uff09<\/li>\n
   \u591a\u78c1\u789f\u6a5f\u5fa9\u539f\uff1a12-36\u5c0f\u6642<\/li>\n
   \u63a7\u5236\u5668\u6545\u969c\uff1a2-4\u5c0f\u6642<\/li>\n<\/ul>\n
   \u672a\u4f86\u9810\u9632\u7684\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n
   \u5be6\u65bd\u4ee5\u4e0b\u95dc\u9375\u63aa\u65bd\uff1a<\/p>\n
   \n
   \u5b9a\u671fSMART\u76e3\u63a7<\/li>\n
   \u8a08\u756b\u6027\u9663\u5217\u6e05\u7406<\/li>\n
   \u5197\u9918\u63a7\u5236\u5668\u914d\u7f6e<\/li>\n
   \u4f01\u696d\u7d1a\u78c1\u789f\u6a5f\u9078\u64c7<\/li>\n<\/ol>\n
   \u7d50\u8ad6<\/strong><\/h2>\n
   RAID 5\u5fa9\u539f\u9700\u8981\u6709\u689d\u7406\u7684\u65b9\u6cd5\u548c\u9069\u7576\u7684\u6280\u8853\u5c08\u696d\u77e5\u8b58\u3002\u5728\u9999\u6e2f\u7684\u8cc7\u6599\u4e2d\u5fc3\u74b0\u5883\u4e2d\uff0c\u904b\u884c\u6642\u9593\u81f3\u95dc\u91cd\u8981\uff0c\u64c1\u6709\u53ef\u9760\u7684\u5fa9\u539f\u7b56\u7565\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u8acb\u8a18\u4f4f\uff0c\u9664\u4e86RAID\u914d\u7f6e\u4e4b\u5916\uff0c\u9084\u8981\u7dad\u8b77\u9069\u7576\u7684\u5099\u4efd\u7cfb\u7d71\uff0c\u56e0\u70baRAID\u4e0d\u80fd\u66ff\u4ee3\u5168\u9762\u7684\u5099\u4efd\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n
   \u5c0d\u65bc\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7684\u95dc\u9375\u8cc7\u6599\u5fa9\u539f\u5834\u666f\uff0c\u8acb\u8003\u616e\u8aee\u8a62\u540c\u6642\u4e86\u89e3\u5132\u5b58\u7cfb\u7d71\u6545\u969c\u7684\u6280\u8853\u548c\u696d\u52d9\u5f71\u97ff\u7684\u8a8d\u8b49\u8cc7\u6599\u5fa9\u539f\u5c08\u5bb6\u3002\u900f\u904e\u76e3\u63a7\u548c\u7dad\u8b77\u4fdd\u6301\u4e3b\u52d5\u6027\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u6e1b\u5c11RAID 5\u9663\u5217\u4e2d\u8cc7\u6599\u907a\u5931\u7684\u98a8\u96aa\u3002<\/p>\n
   [\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
   [vc_row][vc_column][vc_column_text css=””]  […]<\/p>\n
   Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":22790,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[6826,6827,6828,6829,1892],"class_list":["post-22799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-raid-5","tag-6827","tag-6828","tag-6829","tag-server-hosting-tc"],"acf":[],"yoast_head":"\n