mdadm\u5be6\u7528\u7a0b\u5f0f\u900f\u904e\u5404\u7a2e\u72c0\u614b\u6307\u793a\u5668\u63d0\u4f9b\u95dc\u65bc\u9663\u5217\u5065\u5eb7\u72c0\u6cc1\u7684\u8a73\u7d30\u8cc7\u8a0a\u3002\u9019\u4e9b\u72c0\u614b\u8a0a\u606f\u4f5c\u70ba\u65e9\u671f\u9810\u8b66\u7cfb\u7d71\uff0c\u4f7f\u7ba1\u7406\u54e1\u80fd\u5920\u5728\u767c\u751f\u56b4\u91cd\u6545\u969c\u4e4b\u524d\u63a1\u53d6\u9810\u9632\u63aa\u65bd\u3002\u96d6\u7136\u67d0\u4e9b\u72c0\u614b\u6307\u793a\u5668\u8868\u660e\u6b63\u5e38\u904b\u884c\uff0c\u4f46\u5176\u4ed6\u6307\u793a\u5668\u5247\u9700\u8981\u7acb\u5373\u95dc\u6ce8\u4ee5\u9632\u6b62\u8cc7\u6599\u907a\u5931\u6216\u7cfb\u7d71\u505c\u6a5f\u3002<\/p>\n\n\n\n\n\n\n\n

\u72c0\u614b<\/th>\n	\u63cf\u8ff0<\/th>\n	\u6240\u9700\u64cd\u4f5c<\/th>\n<\/tr>\n<\/thead>\n
clean<\/td>\n	\u9663\u5217\u72c0\u614b\u826f\u597d<\/td>\n	\u5e38\u898f\u76e3\u63a7<\/td>\n<\/tr>\n
degraded<\/td>\n	\u9663\u5217\u5b58\u5728\u78c1\u789f\u6545\u969c<\/td>\n	\u7acb\u5373\u8abf\u67e5<\/td>\n<\/tr>\n
recovering<\/td>\n	\u91cd\u5efa\u9032\u884c\u4e2d<\/td>\n	\u76e3\u63a7\u9032\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u8b58\u5225\u9663\u5217\u72c0\u614b<\/strong><\/h2>\n \u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u4f7f\u7528\u65e2\u5b9a\u7684\u547d\u4ee4\u548c\u5de5\u5177\u5b9a\u671f\u76e3\u63a7\u9663\u5217\u72c0\u614b\u3002\u8f38\u51fa\u6a21\u5f0f\u63d0\u4f9b\u4e86\u95dc\u65bc\u9663\u5217\u5065\u5eb7\u72c0\u6cc1\u548c\u53ef\u80fd\u9700\u8981\u6ce8\u610f\u7684\u6f5b\u5728\u554f\u984c\u7684\u91cd\u8981\u8cc7\u8a0a\u3002\u5728\u6aa2\u67e5\u9663\u5217\u72c0\u614b\u6642\uff0c\u8981\u7279\u5225\u6ce8\u610f\u88dd\u7f6e\u6578\u91cf\u3001\u540c\u6b65\u72c0\u614b\u4ee5\u53ca\u4efb\u4f55\u53ef\u80fd\u8868\u660e\u554f\u984c\u6b63\u5728\u767c\u5c55\u7684\u5831\u544a\u932f\u8aa4\u3002<\/p>\n cat \/proc\/mdstat\r\nmdadm --detail \/dev\/mdX<\/code><\/pre>\n \u95dc\u9375\u6545\u969c\u5834\u666f\u548c\u6062\u5fa9\u7a0b\u5e8f<\/strong><\/h2>\n \u5728\u4f01\u696d\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0cRAID\u6545\u969c\u901a\u5e38\u8868\u73fe\u70ba\u5e7e\u7a2e\u4e0d\u540c\u7684\u6a21\u5f0f\u3002\u7406\u89e3\u9019\u4e9b\u6a21\u5f0f\u80fd\u5920\u5be6\u73fe\u66f4\u5feb\u7684\u8a3a\u65b7\u548c\u66f4\u6709\u6548\u7684\u6062\u5fa9\u7b56\u7565\u3002\u7576\u6545\u969c\u767c\u751f\u6642\uff0c\u512a\u5148\u8003\u616e\u7684\u662f\u5728\u6700\u5c0f\u5316\u505c\u6a5f\u6642\u9593\u7684\u540c\u6642\u4fdd\u6301\u8cc7\u6599\u5b8c\u6574\u6027\u3002\u5e38\u898b\u5834\u666f\u5305\u62ec\u55ae\u78c1\u789f\u6545\u969c\u3001\u591a\u78c1\u789f\u6545\u969c\u548c\u53ef\u80fd\u5f71\u97ff\u9663\u5217\u6548\u80fd\u548c\u53ef\u9760\u6027\u7684\u540c\u6b65\u932f\u8aa4\u3002<\/p>\n \n \u521d\u59cb\u56de\u61c9\u6b65\u9a5f\n \n \u8a55\u4f30\u9663\u5217\u72c0\u614b\u4e26\u8b58\u5225\u6545\u969c\u7d44\u4ef6<\/li>\n \u78ba\u4fdd\u53ef\u5b58\u53d6\u8cc7\u6599\u7684\u5b89\u5168<\/li>\n \u8a18\u9304\u7576\u524d\u914d\u7f6e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n \u6062\u5fa9\u671f\u9593\u7684\u6548\u80fd\u7ba1\u7406<\/strong><\/h2>\n \u4f01\u696d\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7684\u6062\u5fa9\u64cd\u4f5c\u9700\u8981\u5728\u6062\u5fa9\u901f\u5ea6\u548c\u7cfb\u7d71\u6548\u80fd\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002\u96d6\u7136\u5feb\u901f\u6062\u5fa9\u662f\u7406\u60f3\u7684\uff0c\u4f46\u904e\u65bc\u6fc0\u9032\u7684\u91cd\u5efa\u904e\u7a0b\u53ef\u80fd\u6703\u5f71\u97ff\u5ba2\u6236\u5de5\u4f5c\u8ca0\u8f09\u548c\u6574\u9ad4\u7cfb\u7d71\u56de\u61c9\u80fd\u529b\u3002\u95dc\u9375\u5728\u65bc\u6839\u64da\u7cfb\u7d71\u80fd\u529b\u548c\u5de5\u4f5c\u8ca0\u8f09\u6a21\u5f0f\u6700\u4f73\u5316\u6062\u5fa9\u53c3\u6578\u3002\u73fe\u4ee3RAID\u5be6\u73fe\u5141\u8a31\u5c0d\u5404\u7a2e\u53c3\u6578\u9032\u884c\u5fae\u8abf\u4ee5\u5be6\u73fe\u9019\u7a2e\u5e73\u8861\u3002<\/p>\n \u5728\u7ba1\u7406\u6062\u5fa9\u64cd\u4f5c\u6642\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u8003\u616e\u78c1\u789fI\/O\u5bb9\u91cf\u3001\u7db2\u8def\u983b\u5bec\u548c\u6d3b\u52d5\u5de5\u4f5c\u8ca0\u8f09\u9700\u6c42\u7b49\u56e0\u7d20\u3002\u53c3\u6578\u8abf\u6574\u4e0d\u7576\u53ef\u80fd\u5c0e\u81f4\u6062\u5fa9\u6642\u9593\u5ef6\u9577\u6216\u670d\u52d9\u6548\u80fd\u4e0b\u964d\u3002\u57fa\u65bc\u6211\u5011\u7684\u4f3a\u670d\u5668\u79df\u7528\u7d93\u9a57\uff0c\u6211\u5011\u5efa\u8b70\u4ee5\u4e0b\u914d\u7f6e\u53c3\u6578\uff1a<\/p>\n\n\n\n\n\n\n\n \u53c3\u6578<\/th>\n \u53d6\u503c\u7bc4\u570d<\/th>\n \u4f7f\u7528\u5834\u666f<\/th>\n<\/tr>\n<\/thead>\n read_ahead<\/td>\n 4096-8192<\/td>\n \u9ad8\u6d41\u91cf\u4f3a\u670d\u5668<\/td>\n<\/tr>\n sync_speed_min<\/td>\n 30000-50000<\/td>\n \u751f\u7522\u74b0\u5883<\/td>\n<\/tr>\n sync_speed_max<\/td>\n 150000-200000<\/td>\n \u7dca\u6025\u6062\u5fa9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u9032\u968e\u8a3a\u65b7\u7a0b\u5e8f<\/strong><\/h2>\n \u8907\u96dc\u7684RAID\u554f\u984c\u901a\u5e38\u9700\u8981\u8907\u96dc\u7684\u8a3a\u65b7\u65b9\u6cd5\u3002\u7576\u6a19\u6e96\u6545\u969c\u6392\u9664\u65b9\u6cd5\u4e0d\u8db3\u6642\uff0c\u7ba1\u7406\u54e1\u5fc5\u9808\u6df1\u5165\u7814\u7a76\u9663\u5217\u6a5f\u5236\u548c\u5143\u8cc7\u6599\u7d50\u69cb\u3002\u9019\u500b\u904e\u7a0b\u6d89\u53ca\u5206\u6790\u5beb\u5165\u6a21\u5f0f\u3001\u6aa2\u67e5\u5340\u584a\u5206\u914d\u548c\u9a57\u8b49\u6240\u6709\u9663\u5217\u6210\u54e1\u7684\u689d\u5e36\u4e00\u81f4\u6027\u3002<\/p>\n # Detailed array examination\r\nmdadm --examine --scan >> \/etc\/mdadm\/mdadm.conf\r\n\r\n# Verify array consistency\r\necho check > \/sys\/block\/md0\/md\/sync_action<\/code><\/pre>\n \u9810\u9632\u63aa\u65bd\u548c\u76e3\u63a7<\/strong><\/h2>\n \u5728RAID\u7ba1\u7406\u4e2d\uff0c\u9810\u9632\u59cb\u7d42\u6bd4\u6062\u5fa9\u66f4\u6709\u6548\u3002\u5168\u9762\u7684\u76e3\u63a7\u7b56\u7565\u6d89\u53ca\u591a\u500b\u5354\u540c\u5de5\u4f5c\u7684\u7d44\u4ef6\uff0c\u4ee5\u6aa2\u6e2c\u548c\u9810\u6e2c\u6f5b\u5728\u6545\u969c\u3002\u9019\u7a2e\u65b9\u6cd5\u5c07\u81ea\u52d5\u76e3\u63a7\u5de5\u5177\u8207\u4eba\u5de5\u76e3\u7763\u76f8\u7d50\u5408\uff0c\u5275\u5efa\u5f37\u5927\u7684\u4fdd\u8b77\u7cfb\u7d71\u3002<\/p>\n \n \u57fa\u672c\u76e3\u63a7\u7d44\u4ef6\n \n \u5373\u6642\u6548\u80fd\u6307\u6a19\u8ffd\u8e64<\/li>\n \u9810\u6e2c\u6027\u6545\u969c\u5206\u6790<\/li>\n \u81ea\u52d5\u8b66\u5831\u7cfb\u7d71<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n \u6211\u5011\u7684\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u5be6\u65bd\u591a\u5c64\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\uff0c\u540c\u6642\u8ffd\u8e64\u5be6\u9ad4\u786c\u9ad4\u5065\u5eb7\u72c0\u6cc1\u548c\u908f\u8f2f\u9663\u5217\u72c0\u614b\u3002\u9019\u7a2e\u7d9c\u5408\u65b9\u6cd5\u986f\u8457\u6e1b\u5c11\u4e86\u610f\u5916\u6545\u969c\uff0c\u4e26\u63d0\u9ad8\u4e86\u6211\u5011\u5728\u5f71\u97ff\u5ba2\u6236\u71df\u904b\u4e4b\u524d\u9810\u6e2c\u548c\u9810\u9632\u9663\u5217\u554f\u984c\u7684\u80fd\u529b\u3002<\/p>\n \u696d\u52d9\u5f71\u97ff\u7ba1\u7406<\/strong><\/h2>\n RAID\u6545\u969c\u53ef\u80fd\u5e36\u4f86\u91cd\u5927\u7684\u696d\u52d9\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u591a\u500b\u5ba2\u6236\u4f9d\u8cf4\u6301\u7e8c\u670d\u52d9\u53ef\u7528\u6027\u7684\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u3002\u6709\u6548\u7ba1\u7406\u9019\u4e9b\u60c5\u6cc1\u4e0d\u50c5\u9700\u8981\u6280\u8853\u5c08\u9577\uff0c\u9084\u9700\u8981\u6e05\u6670\u7684\u6e9d\u901a\u5354\u5b9a\u548c\u660e\u78ba\u7684\u5347\u7d1a\u7a0b\u5e8f\u3002\u7d44\u7e54\u5fc5\u9808\u5236\u5b9a\u5168\u9762\u7684\u56de\u61c9\u8a08\u5283\uff0c\u540c\u6642\u89e3\u6c7a\u6280\u8853\u6062\u5fa9\u548c\u696d\u52d9\u9023\u7e8c\u6027\u65b9\u9762\u7684\u554f\u984c\u3002<\/p>\n \u7d50\u8ad6<\/strong><\/h2>\n \u6709\u6548\u7ba1\u7406RAID\u9663\u5217\u9700\u8981\u7d50\u5408\u6280\u8853\u5c08\u9577\u3001\u4e3b\u52d5\u76e3\u63a7\u548c\u7b56\u7565\u898f\u5283\u3002\u4f5c\u70ba\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546\uff0c\u6211\u5011\u7684\u7d93\u9a57\u8868\u660e\uff0c\u6210\u529f\u7684RAID\u7ba1\u7406\u53d6\u6c7a\u65bc\u7406\u89e3mdadm\u7684\u6280\u8853\u65b9\u9762\u548c\u66f4\u5ee3\u6cdb\u7684\u71df\u904b\u74b0\u5883\u3002\u900f\u904e\u5be6\u65bd\u5f37\u5927\u7684\u76e3\u63a7\u7cfb\u7d71\u548c\u7dad\u8b77\u6e05\u6670\u7684\u6062\u5fa9\u7a0b\u5e8f\uff0c\u7d44\u7e54\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u6e1b\u5c11RAID\u6545\u969c\u7684\u5f71\u97ff\uff0c\u540c\u6642\u78ba\u4fdd\u6700\u4f73\u7684\u670d\u52d9\u4ea4\u4ed8\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":21052,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[5573,5574,5575,2704,1892,1874],"class_list":["post-21090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-mdadm-tc","tag-intel-software-raid-tc","tag-raid-failure-tc","tag-hosting","tag-server-hosting-tc","tag-dedicated-server-tc-2"],"acf":[],"yoast_head":"\n