{"id":172,"date":"2025-10-17T16:17:05","date_gmt":"2025-10-17T08:17:05","guid":{"rendered":"https:\/\/www.youvii.site\/?p=172"},"modified":"2025-10-17T16:17:05","modified_gmt":"2025-10-17T08:17:05","slug":"raidcipan","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/raidcipan","title":{"rendered":"RAID\u78c1\u76d8"},"content":{"rendered":"

RAID<\/h1>\n

\u4e00\u3001\u72ec\u7acb\u5197\u4f59\u78c1\u76d8\u9635\u5217(RAID)<\/p>\n

RAID0(\u6761\u5e26\u5316\u5b58\u50a8)<\/p>\n

n\u5757\u76d8\uff0c \u8bfb\u53d6\u76f8\u540c\u6570\u636e\u65f6\u95f4\u51cf\u5c111\/n \u4e0d\u80fd\u5197\u4f59 \u4e00\u5757\u76d8\u6570\u636e\u4e22\u5931\u5219\u5168\u76d8\u635f\u574f\uff0c\u6700\u5c112\u5757\u786c\u76d8<\/p>\n

\"1654302294041-f3f0b3c6-9009-40fd-9c57-62a5eed80f23.png\"<\/p>\n

RAID1(\u955c\u50cf\u5b58\u50a8)<\/p>\n

n\u5757\u76d8\uff0c\u78c1\u76d8\u955c\u50cf\uff0c\u5e76\u884c\u8bfb\u53d6\uff0c\u5229\u7528\u738750%\uff0c\u5229\u7528\u7387\u6700\u4f4e\uff0c\u6700\u5c112\u5757\u76d8<\/p>\n

\"1654302555059-4aca3f43-9268-426e-8911-6c539d88be8b.png\"<\/p>\n

RAID2<\/p>\n

n\u5757\u76d8\uff0c\u6d77\u660e\u7801\u6821\u9a8c\u7ea0\u9519\uff0c\u5757\u5316\u5206\u5e03\u4e0d\u540c\u786c\u76d8\uff0c\u6700\u5c112\u5757\uff0c\u51e0\u4e4e\u4e0d\u518d\u4f7f\u7528<\/p>\n

RAID3<\/p>\n

n\u5757\u76d8\uff0c\u5355\u72ec\u4e00\u5757\u76d8\u5947\u5076\u6821\u9a8c\uff0c\u5229\u7528\u7387\uff1a(n-1)\/n \u6700\u5c113\u5757\u76d8<\/p>\n

RAID5<\/p>\n

n\u5757\u76d8\uff0c\u72ec\u7acb\u6570\u636e\u76d8\uff0c\u5206\u5e03\u6821\u9a8c\u5757\uff0c\u65e0\u72ec\u7acb\u6821\u9a8c\u76d8\uff0c\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u5b89\u5168\u4fdd\u969c \u5229\u7528\u7387\uff1a(n-1)\/n \u6700\u5c113\u5757\u76d8<\/p>\n

\"1654302567436-24be4bc3-1d72-4c1d-a458-50bdddb1b61d.png\"<\/p>\n

RAID6<\/p>\n

n\u5757\u76d8\uff0c\u72ec\u7acb\u6570\u636e\u76d8\uff0c2\u4e2a\u72ec\u7acb\u5206\u5e03\u6821\u9a8c\u65b9\u6848\uff08\u4e24\u5957\u5947\u5076\u6821\u9a8c\u7801\uff09\u5229\u7528\u7387\uff1a(n-2)\/n \u6700\u5c114\u5757\u76d8<\/p>\n

RAID10<\/p>\n

n\u5757\u76d8\uff0c\u5b89\u5168\u6027\u53ef\u9760\u6027\u66f4\u9ad8\uff0c\u5148\u505a\u955c\u50cf\u518d\u505a\u6761\u5e26\u5316\uff0c\u5229\u7528\u738750% \u6700\u5c114\u5757\u76d8<\/p>\n

\"1654302581395-3f92f3a7-a5c4-4cf4-8b1e-f9739c560519.png\"<\/p>\n

\u4e8c\u3001\u521b\u5efa\u8f6f RAID \u78c1\u76d8\u9635\u5217\u5b9e\u9a8c<\/p>\n

1\u3001\u68c0\u67e5\u662f\u5426\u5df2\u5b89\u88c5mdadm \u8f6f\u4ef6\u5305<\/p>\n

2\u3001\u5148\u5173\u95ed\u865a\u62df\u673a\uff0c\u7136\u540e\u7f16\u8f91\u865a\u62df\u673a\u8bbe\u7f6e\uff0c\u6dfb\u52a04\u5757\u786c\u76d8\uff0c\u6bcf\u5757\u5206\u914d40G\uff0c\u70b9\u51fb\u786e\u8ba4\u540e\u5f00\u542f\u865a\u62df\u673a<\/p>\n

3\u3001\u6211\u4eec\u4f7f\u7528xshell\u6765\u8fdb\u884c\u8fde\u63a5\uff0c\u4f7f\u7528fdisk -l\u6765\u67e5\u770b\u5206\u533a\u60c5\u51b5<\/p>\n

4\u3001\u5bf9\u5206\u533a\u8fdb\u884c\u7ba1\u7406\uff0c\u521b\u5efa\u5206\u533a\u5e76\u4fee\u6539\u5206\u533a\u7c7b\u578b\uff0c\u8fd9\u91cc\u793a\u8303\u4e00\u4e2a\/dev\/sdb\uff0c\u5176\u4f59\u7684\u64cd\u4f5c\u4e00\u6837\uff0c\u5c31\u4e0d\u793a\u8303\u4e86<\/p>\n

5\u3001\u4f7f\u7528fdisk -l\u770b\u4e00\u4e0b\u5206\u533a\u60c5\u51b5\uff0c\u662f\u5426\u5168\u90e8\u8f6c\u6362\u5b8c\u6210<\/p>\n

6\u3001\u9a8c\u8bc1\u4e00\u4e0b\u78c1\u76d8\u662f\u5426\u5df2\u505araid\uff0c\u7136\u540e\u5f00\u59cb\u521b\u5efaraid\uff0c\u8fd9\u91cc\u6211\u4eec\u521b\u5efa\u4e00\u4e2araid\u540d\u4e3amd0\uff0c\u7ea7\u522b\u4f7f\u7528RAID5\uff0c\u7136\u540e-l3\u8bbe\u7f6e\u4f7f\u7528\u4e09\u4e2a\u78c1\u76d8\uff0c-x1\u4f7f\u7528\u4e00\u5757\u5907\u4efd\u78c1\u76d8\uff0c\u518d\u8fdb\u884c\u67e5\u770b\u521b\u5efa\u901f\u5ea6\u3002<\/p>\n

7\u3001\u8fd9\u91cc\u5df2\u7ecf\u521b\u5efa\u597d\u4e86\uff0c\u6211\u4eec\u5f00\u59cb\u9a8c\u8bc1\u4e00\u4e0b<\/p>\n

8\u3001\u6211\u4eec\u6a21\u62df\u8ba9\u5b83\u574f\u6389\u4e00\u4e2a\u78c1\u76d8\uff0c\u6765\u6d4b\u8bd5\u4e00\u4e0b\u5907\u4efd\u78c1\u76d8\u662f\u5426\u4f1a\u81ea\u52a8\u9876\u4e0a<\/p>\n

9\u3001\u60f3\u4f7f\u7528\u8d77\u6765\u5f97\u5148\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u518d\u8fdb\u884c\u6302\u8f7d\uff0c\u6211\u63a5\u7740\u5c1d\u8bd5\u4e86\u4e00\u4e0b\u5728\u683c\u5f0f\u5316\u548c\u6302\u8f7d\u4e4b\u540e\u5907\u7528\u78c1\u76d8\u662f\u5426\u8fd8\u80fd\u81ea\u52a8\u9876\u4e0a\uff0c\u5b9e\u9a8c\u7ed3\u679c\uff1a\u53ef\u4ee5\u3002<\/p>\n

\u4e09\u3001\u521b\u5efa\u8f6f RAID \u78c1\u76d8\u9635\u5217\u6b65\u9aa4\u547d\u4ee4<\/p>\n

1\u3001\u68c0\u67e5\u662f\u5426\u5df2\u5b89\u88c5mdadm \u8f6f\u4ef6\u5305<\/p>\n

rpm -q mdadm<\/p>\n

yum install -y mdadm<\/p>\n

2\u3001\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\u3001sdc1\u3001sdd1\u3001sde1\uff0c\u5e76\u4e14\u628a\u5206\u533a\u7c7b\u578b\u7684 ID \u6807\u8bb0\u53f7\u6539\u4e3a\u201cfd\u201d<\/p>\n

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

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

3\u3001\u521b\u5efa RAID \u8bbe\u5907<\/p>\n

\u521b\u5efaRAID5<\/h1>\n

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

-C\uff1a\u8868\u793a\u65b0\u5efa\uff1b<\/p>\n

-v\uff1a\u663e\u793a\u521b\u5efa\u8fc7\u7a0b\u4e2d\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n

\/dev\/md0\uff1a\u521b\u5efa RAID5 \u7684\u540d\u79f0\u3002<\/p>\n

-a yes\uff1a\u2013auto\uff0c\u8868\u793a\u5982\u679c\u6709\u4ec0\u4e48\u8bbe\u5907\u6587\u4ef6\u6ca1\u6709\u5b58\u5728\u7684\u8bdd\u5c31\u81ea\u52a8\u521b\u5efa\uff0c\u53ef\u7701\u7565\u3002<\/p>\n

-l\uff1a\u6307\u5b9a RAID \u7684\u7ea7\u522b\uff0cl5 \u8868\u793a\u521b\u5efa RAID5\u3002<\/p>\n

-n\uff1a\u6307\u5b9a\u4f7f\u7528\u51e0\u5757\u786c\u76d8\u521b\u5efa RAID\uff0cn3 \u8868\u793a\u4f7f\u7528 3 \u5757\u786c\u76d8\u521b\u5efa RAID\u3002<\/p>\n

\/dev\/sd[bcd]1\uff1a\u6307\u5b9a\u4f7f\u7528\u8fd9\u56db\u5757\u78c1\u76d8\u5206\u533a\u53bb\u521b\u5efa RAID\u3002<\/p>\n

-x\uff1a\u6307\u5b9a\u4f7f\u7528\u51e0\u5757\u786c\u76d8\u505aRAID\u7684\u70ed\u5907\u7528\u76d8\uff0cx1\u8868\u793a\u4fdd\u75591\u5757\u7a7a\u95f2\u7684\u786c\u76d8\u4f5c\u5907\u7528<\/p>\n

\/dev\/sde1\uff1a\u6307\u5b9a\u7528\u4f5c\u4e8e\u5907\u7528\u7684\u78c1\u76d8<\/p>\n

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

\u6216\u8005<\/p>\n

mdadm -D \/dev\/md0 #\u67e5\u770bRAID\u78c1\u76d8\u8be6\u7ec6\u4fe1\u606f<\/p>\n

mdadm -E \/dev\/sd[b-e]1 #\u68c0\u67e5\u78c1\u76d8\u662f\u5426\u5df2\u505aRAID<\/p>\n

4\u3001\u521b\u5efa\u5e76\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf<\/p>\n

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

mkdir \/myraid<\/p>\n

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

df -Th<\/p>\n

cp \/etc\/fstab \/etc\/fstab.bak<\/p>\n

vim \/etc\/fstab<\/p>\n

\/dev\/md0 \/myraid xfs defaults 0 0<\/p>\n

5\u3001\u5b9e\u73b0\u6545\u969c\u6062\u590d<\/p>\n

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

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

mdadm\u547d\u4ee4\u5176\u5b83\u5e38\u7528\u9009\u9879<\/p>\n

-r\uff1a\u79fb\u9664\u8bbe\u5907<\/p>\n

-a\uff1a\u6dfb\u52a0\u8bbe\u5907<\/p>\n

-S\uff1a\u505c\u6b62RAID<\/p>\n

-A\uff1a\u542f\u52a8RAID<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/weixin_51432770\/article\/details\/110119945<\/a><\/p>\n

\n

\u66f4\u65b0: 2025-03-11 14:15:58
\n\u539f\u6587: http:\/\/www.yuque.com\/yuhui.net\/network\/smngkx<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

RAID \u4e00\u3001\u72ec\u7acb\u5197\u4f59\u78c1\u76d8\u9635\u5217(RAID) RAID0(\u6761\u5e26\u5316\u5b58\u50a8) n\u5757\u76d8\uff0c \u8bfb\u53d6\u76f8\u540c\u6570\u636e\u65f6\u95f4\u51cf\u5c111\/n \u4e0d\u80fd\u5197\u4f59 \u4e00\u5757\u76d8\u6570\u636e\u4e22\u5931\u5219\u5168\u76d8\u635f\u574f\uff0c\u6700\u5c112\u5757\u786c\u76d8 RAID1(\u955c\u50cf\u5b58\u50a8) n\u5757\u76d8\uff0c\u78c1\u76d8\u955c\u50cf\uff0c\u5e76\u884c\u8bfb\u53d6\uff0c\u5229\u7528\u738750%\uff0c\u5229\u7528\u7387\u6700\u4f4e\uff0c\u6700\u5c112\u5757\u76d8 RAID2 n\u5757\u76d8\uff0c\u6d77\u660e\u7801\u6821\u9a8c\u7ea0\u9519\uff0c\u5757\u5316\u5206\u5e03\u4e0d\u540c\u786c\u76d8\uff0c\u6700\u5c112\u5757\uff0c\u51e0\u4e4e\u4e0d\u518d\u4f7f\u7528 RAID3 n\u5757\u76d8\uff0c\u5355\u72ec\u4e00\u5757\u76d8\u5947\u5076\u6821\u9a8c\uff0c\u5229\u7528\u7387\uff1a(n-1)\/n \u6700\u5c113\u5757\u76d8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,13],"tags":[55],"class_list":["post-172","post","type-post","status-publish","format-standard","hentry","category-interface","category-record","tag-raid"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=172"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/172\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}