{"id":42856,"date":"2024-10-04T06:42:10","date_gmt":"2024-10-03T22:42:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42856\/"},"modified":"2024-10-04T06:42:10","modified_gmt":"2024-10-03T22:42:10","slug":"centos-7-%e4%b8%ad%e5%89%b5%e5%bb%ba-raid-5-%e7%a3%81%e7%a2%9f%e9%99%a3%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42856\/","title":{"rendered":"CentOS 7 \u4e2d\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217"},"content":{"rendered":"<h1 id=\"centos-7-%e4%b8%ad%e5%89%b5%e5%bb%ba-raid-5-%e7%a3%81%e7%a2%9f%e9%99%a3%e5%88%97-fjyvzQgSgj\">CentOS 7 \u4e2d\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217<\/h1>\n<p>\u5728\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0cRAID\uff08\u5197\u9918\u78c1\u789f\u9663\u5217\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6280\u8853\uff0c\u7528\u65bc\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002RAID 5 \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u914d\u7f6e\uff0c\u56e0\u70ba\u5b83\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u6027\u80fd\u548c\u6578\u64da\u4fdd\u8b77\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u4e2d\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"raid-5-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-fjyvzQgSgj\">RAID 5 \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>RAID 5 \u4f7f\u7528\u4e09\u500b\u6216\u66f4\u591a\u7684\u786c\u789f\u4f86\u5b58\u5132\u6578\u64da\u548c\u5947\u5076\u6821\u9a57\u4fe1\u606f\u3002\u9019\u7a2e\u914d\u7f6e\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\uff0c\u5373\u4f7f\u4e00\u500b\u786c\u789f\u6545\u969c\uff0c\u6578\u64da\u4ecd\u7136\u53ef\u4ee5\u5f9e\u5176\u4ed6\u786c\u789f\u4e2d\u6062\u5fa9\u3002RAID 5 \u7684\u6578\u64da\u5206\u4f48\u65b9\u5f0f\u4f7f\u5f97\u8b80\u53d6\u6027\u80fd\u512a\u65bc\u55ae\u4e00\u786c\u789f\uff0c\u4e26\u4e14\u5728\u5beb\u5165\u6642\u4e5f\u80fd\u4fdd\u6301\u76f8\u5c0d\u8f03\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-fjyvzQgSgj\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u6709\u4ee5\u4e0b\u689d\u4ef6\uff1a<\/p>\n<ul>\n<li>\u81f3\u5c11\u4e09\u500b\u786c\u789f\uff08\u53ef\u4ee5\u662f\u865b\u64ec\u78c1\u789f\u6216\u5be6\u9ad4\u78c1\u789f\uff09<\/li>\n<li>CentOS 7 \u7cfb\u7d71\u5df2\u5b89\u88dd<\/li>\n<li>root \u6b0a\u9650<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e5%bf%85%e8%a6%81%e7%9a%84%e5%b7%a5%e5%85%b7-fjyvzQgSgj\">\u5b89\u88dd\u5fc5\u8981\u7684\u5de5\u5177<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\uff0c\u60a8\u9700\u8981\u5b89\u88dd `mdadm` \u5de5\u5177\u4f86\u7ba1\u7406 RAID \u9663\u5217\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>yum install mdadm<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba-raid-5-%e7%a3%81%e7%a2%9f%e9%99%a3%e5%88%97-fjyvzQgSgj\">\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5275\u5efa RAID 5 \u9663\u5217\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%a1%ac%e7%a2%9f-fjyvzQgSgj\">1. \u78ba\u8a8d\u786c\u789f<\/h3>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u78ba\u8a8d\u7cfb\u7d71\u4e2d\u7684\u786c\u789f\uff1a<\/p>\n<pre><code>lsblk<\/code><\/pre>\n<p>\u5047\u8a2d\u60a8\u6709\u4e09\u500b\u786c\u789f\uff0c\u5206\u5225\u70ba \/dev\/sdb\u3001\/dev\/sdc \u548c \/dev\/sdd\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba-raid-%e9%99%a3%e5%88%97-fjyvzQgSgj\">2. \u5275\u5efa RAID \u9663\u5217<\/h3>\n<p>\u4f7f\u7528 `mdadm` \u547d\u4ee4\u5275\u5efa RAID 5 \u9663\u5217\uff1a<\/p>\n<pre><code>mdadm --create --verbose \/dev\/md0 --level=5 --raid-devices=3 \/dev\/sdb \/dev\/sdc \/dev\/sdd<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba \/dev\/md0 \u7684 RAID 5 \u9663\u5217\uff0c\u4e26\u4f7f\u7528\u4e09\u500b\u6307\u5b9a\u7684\u786c\u789f\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e7%9c%8b-raid-%e9%99%a3%e5%88%97%e7%8b%80%e6%85%8b-fjyvzQgSgj\">3. \u67e5\u770b RAID \u9663\u5217\u72c0\u614b<\/h3>\n<p>\u5275\u5efa\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b RAID \u9663\u5217\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>cat \/proc\/mdstat<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a RAID \u9663\u5217\u7684\u7576\u524d\u72c0\u614b\u548c\u9032\u5ea6\u3002<\/p>\n<h3 id=\"4-%e5%89%b5%e5%bb%ba%e6%96%87%e4%bb%b6%e7%b3%bb%e7%b5%b1-fjyvzQgSgj\">4. \u5275\u5efa\u6587\u4ef6\u7cfb\u7d71<\/h3>\n<p>\u5728 RAID \u9663\u5217\u4e0a\u5275\u5efa\u6587\u4ef6\u7cfb\u7d71\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>mkfs.ext4 \/dev\/md0<\/code><\/pre>\n<h3 id=\"5-%e6%8c%82%e8%bc%89-raid-%e9%99%a3%e5%88%97-fjyvzQgSgj\">5. \u6302\u8f09 RAID \u9663\u5217<\/h3>\n<p>\u5275\u5efa\u6587\u4ef6\u7cfb\u7d71\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07 RAID \u9663\u5217\u6302\u8f09\u5230\u7cfb\u7d71\u4e2d\uff1a<\/p>\n<pre><code>mkdir \/mnt\/raid5\nmount \/dev\/md0 \/mnt\/raid5<\/code><\/pre>\n<h3 id=\"6-%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%8b%95%e6%8c%82%e8%bc%89-fjyvzQgSgj\">6. \u8a2d\u7f6e\u81ea\u52d5\u6302\u8f09<\/h3>\n<p>\u70ba\u4e86\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u81ea\u52d5\u6302\u8f09 RAID \u9663\u5217\uff0c\u60a8\u9700\u8981\u7de8\u8f2f \/etc\/fstab \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>\/dev\/md0 \/mnt\/raid5 ext4 defaults 0 0<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fjyvzQgSgj\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u6709\u6548\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u8a2d\u7f6e RAID 5 \u9663\u5217\uff0c\u4e26\u5728\u4f3a\u670d\u5668\u4e0a\u4f7f\u7528\u5b83\u4f86\u5b58\u5132\u91cd\u8981\u6578\u64da\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u6216 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u4e2d\u5275\u5efa RAID 5 \u78c1\u789f\u9663\u5217\uff0c\u63d0\u5347\u6578\u64da\u5b89\u5168\u6027\u8207\u6027\u80fd\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u60a8\u8f15\u9b06\u5b8c\u6210\u8a2d\u7f6e\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-42856","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=42856"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42856\/revisions"}],"predecessor-version":[{"id":42857,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42856\/revisions\/42857"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}