{"id":111725,"date":"2026-10-01T16:50:16","date_gmt":"2026-10-01T08:50:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/111725.html"},"modified":"2026-10-01T16:50:16","modified_gmt":"2026-10-01T08:50:16","slug":"raid-%e6%93%8d%e4%bd%9c-raid5-%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/111725.html","title":{"rendered":"RAID \u64cd\u4f5c-raid5---\u5b9e\u6218"},"content":{"rendered":"

1.\u524d\u671f\u51c6\u5907<\/span><\/h3>\n

\"\"\"\"\"\"\"\"\"\"<\/h2>\n

2.<\/span>\u68c0\u67e5\u662f\u5426\u5df2\u5b89\u88c5mdadm\u8f6f\u4ef6\u5305<\/span><\/h3>\n

rpm -q mdadm <\/span><\/p>\n

\u6ca1\u6709\u5b89\u88c5\u4f7f\u7528\u00a0 \u00a0 yum install -y mdadm\u00a0 \u00a0 \u5b89\u88c5<\/span><\/p>\n

\"\"<\/p>\n

3.<\/span>\u4f7f\u7528fdisk\u5de5\u5177\u8fdb\u884c\u5206\u533a<\/span><\/h3>\n

\u4f7f\u7528fdisk.\u5de5\u5177\u5c06\u65b0\u78c1\u76d8\u8bbe\u5907\/dev\/sdb\u3001 \/dev\/sdc\u3001 \/dev\/sdd\u3001 \/dev\/sde\u5212\u5206\u51fa\u4e3b\u5206\u533asdb1\u3001 <\/span><\/p>\n

sdc1\u3001 sdd1\u3001 sde1， \u5e76\u4e14 <\/span><\/p>\n

\u628a\u5206\u533a\u7c7b\u578b\u7684ID\u6807\u8bb0\u53f7\u6539\u4e3a"fd\u201d <\/span><\/p>\n

fdisk \/dev\/sdb <\/span><\/p>\n

fdisk \/dev\/sdc<\/span><\/p>\n

\"\"\"\"\"\"\"\"\"\"<\/p>\n

4.\u521b\u5efaRAID\u8bbe\u5907 <\/span><\/h3>\n

\u2460 \u521b\u5efaRAID5<\/span><\/h4>\n

mdadm -C -v \/dev\/md0 [-a yes] -l5 -n3 \/dev\/sd[bcd]1 -x1 \/dev\/sde1<\/span><\/p>\n

-C:\u8868\u793a\u65b0\u5efa; <\/span><\/p>\n

-v:\u663e\u793a\u521b\u5efa\u8fc7\u7a0b\u4e2d\u7684\u8be6\u7ec6\u4fe1\u606f\u3002 <\/span><\/p>\n

\/dev\/md0: \u521b\u5efaRAID5\u7684\u540d\u79f0\u3002 <\/span><\/p>\n

-ayes:–auto，\u8868\u793a\u5982\u679c\u6709\u4ec0\u4e48\u8bbe\u5907\u6587\u4ef6\u6ca1\u6709\u5b58\u5728\u7684\u8bdd\u5c31\u81ea\u52a8\u521b\u5efa，\u53ef\u7701\u7565\u3002 <\/span><\/p>\n

-1: \u6307\u5b9aRAID \u7684\u7ea7\u522b，15\u8868\u793a\u521b\u5efaRAID5\u3002. <\/span><\/p>\n

-n:\u6307\u5b9a\u4f7f\u7528\u51e0\u5757\u786c\u76d8\u521b\u5efaRAID, n3\u8868\u793a\u4f7f\u75283\u5757\u786c\u76d8\u521b\u5efaRAID\u3002 <\/span><\/p>\n

\/dev\/sd [bcd]1: \u6307\u5b9a\u4f7f\u7528\u8fd93\u5757\u78c1\u76d8\u5206\u533a\u53bb\u521b\u5efaRAID\u3002 <\/span><\/p>\n

-x:\u6307\u5b9a\u4f7f\u7528\u51e0\u5757\u786c\u76d8\u505aRAID\u7684\u70ed\u5907\u7528\u76d8，x1\u8868\u793a\u4fdd\u75591\u5757\u7a7a\u95f2\u7684\u786c\u76d8\u4f5c\u5907\u7528 <\/span><\/p>\n

\/dev\/sde1: \u6307\u5b9a\u7528\u4f5c\u4e8e\u5907\u7528\u7684\u78c1\u76d8<\/span><\/p>\n

\"\"<\/p>\n

\u2461<\/span>\u67e5\u770bRAID\u78c1\u76d8\u8be6\u7ec6\u4fe1\u606f<\/span><\/h4>\n

cat \/proc\/mdstat #\u8fd8\u80fd\u67e5\u770b\u521b\u5efaRAID\u7684\u8fdb\u5ea6 <\/span><\/p>\n

\u6216\u8005 mdadm -D \/dev\/md0<\/span><\/p>\n

\"\"<\/p>\n

\u2462<\/span>\u68c0\u67e5\u78c1\u76d8\u662f\u5426\u505aRAID<\/span><\/h4>\n

mdadm -E \/dev\/sd[b-e] 1 <\/span><\/p>\n

\u770b\u6307\u5b9a\u8bbe\u5907（\u78c1\u76d8\u6216\u5206\u533a）\u4e0a\u7684 RAID \u5143\u6570\u636e（superblock）\u4fe1\u606f<\/span><\/p>\n

\"\"<\/p>\n

5.\u521b\u5efa\u5e76\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf<\/span><\/h3>\n

mkfs -t xfs \/dev\/md0 <\/span><\/p>\n

mkdir \/myraid <\/span><\/p>\n

mount \/dev\/md0 \/myraid\/ <\/span><\/p>\n

df -Th <\/span><\/p>\n

\"\"\"\"\"\"\"\"<\/p>\n

6.<\/span>\u5b9e\u73b0\u6545\u969c\u6062\u590d<\/span><\/h3>\n

mdadm \/dev\/md0 -f \/dev\/sdb1 #\u6a21\u62df\/dev\/sdb1\u6545\u969c <\/span><\/p>\n

mdadm -D \/dev\/md0 #\u67e5\u770b\u53d1\u73b0sde1\u5df2\u9876\u66ffsdb1<\/span><\/p>\n

\"\"\"\"\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u524d\u671f\u51c6\u59072.\u68c0\u67e5\u662f\u5426\u5df2\u5b89\u88c5mdadm\u8f6f\u4ef6\u5305rpm -q mdadm \u6ca1\u6709\u5b89\u88c5\u4f7f\u7528\u00a0 \u00a0 yum install -y mdadm\u00a0 \u00a0 \u5b89\u88c53.\u4f7f\u7528fdisk\u5de5\u5177\u8fdb\u884c\u5206\u533a\u4f7f\u7528fdisk.\u5de5\u5177\u5c06\u65b0\u78c1\u76d8\u8bbe\u5907\/dev\/sdb\u3001 \/dev\/sdc\u3001 \/dev\/sdd\u3001 \/dev\/sde\u5212\u5206\u51fa\u4e3b\u5206\u533asdb1\u3001 sdc1\u3001 sdd1\u3001 sde1， \u5e76\u4e14 \u628a\u5206\u533a\u7c7b\u578b\u7684ID\u6807\u8bb0\u53f7\u6539\u4e3a\\”fd\u201d fdisk \/dev\/sdb fdisk \/dev\/sdc4.\u521b\u5efaRAID\u8bbe\u5907 \u2460<\/p>\n","protected":false},"author":2,"featured_media":111705,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-111725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"\nRAID \u64cd\u4f5c-raid5-\u5b9e\u6218 - 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