{"id":43962,"date":"2024-10-06T11:49:14","date_gmt":"2024-10-06T03:49:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43962\/"},"modified":"2024-10-06T11:49:14","modified_gmt":"2024-10-06T03:49:14","slug":"centos-8-%e9%83%a8%e7%bd%b2-lvm-%e7%b2%be%e7%b0%a1%e9%82%8f%e8%bc%af%e5%8d%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43962\/","title":{"rendered":"CentOS 8 \u90e8\u7f72 LVM \u7cbe\u7c21\u908f\u8f2f\u5377"},"content":{"rendered":"<h1 id=\"centos-8-%e9%83%a8%e7%bd%b2-lvm-%e7%b2%be%e7%b0%a1%e9%82%8f%e8%bc%af%e5%8d%b7-SOeOSViMHW\">CentOS 8 \u90e8\u7f72 LVM \u7cbe\u7c21\u908f\u8f2f\u5377<\/h1>\n<p>\u5728\u73fe\u4ee3\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u908f\u8f2f\u5377\u7ba1\u7406\u5668\uff08LVM\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u4f9b\u9748\u6d3b\u7684\u78c1\u789f\u7ba1\u7406\u65b9\u6848\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 8 \u4e0a\u90e8\u7f72 LVM\uff0c\u4e26\u7cbe\u7c21\u908f\u8f2f\u5377\u7684\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-lvm%ef%bc%9f-SOeOSViMHW\">\u4ec0\u9ebc\u662f LVM\uff1f<\/h2>\n<p>\u908f\u8f2f\u5377\u7ba1\u7406\u5668\uff08LVM\uff09\u662f\u4e00\u7a2e\u78c1\u789f\u7ba1\u7406\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5728\u7269\u7406\u78c1\u789f\u4e0a\u5275\u5efa\u908f\u8f2f\u5377\u3002\u9019\u4e9b\u908f\u8f2f\u5377\u53ef\u4ee5\u96a8\u8457\u9700\u6c42\u7684\u8b8a\u5316\u800c\u52d5\u614b\u8abf\u6574\u5927\u5c0f\uff0c\u63d0\u4f9b\u4e86\u6bd4\u50b3\u7d71\u5206\u5340\u66f4\u5927\u7684\u9748\u6d3b\u6027\u3002LVM \u7684\u4e3b\u8981\u7d44\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7269\u7406\u5377\uff08PV\uff09<\/strong>\uff1a\u5be6\u969b\u7684\u78c1\u789f\u6216\u78c1\u789f\u5206\u5340\u3002<\/li>\n<li><strong>\u5377\u7d44\uff08VG\uff09<\/strong>\uff1a\u7531\u4e00\u500b\u6216\u591a\u500b\u7269\u7406\u5377\u7d44\u6210\u7684\u908f\u8f2f\u96c6\u5408\u3002<\/li>\n<li><strong>\u908f\u8f2f\u5377\uff08LV\uff09<\/strong>\uff1a\u5f9e\u5377\u7d44\u4e2d\u5283\u5206\u51fa\u4f86\u7684\u53ef\u7528\u7a7a\u9593\uff0c\u985e\u4f3c\u65bc\u50b3\u7d71\u7684\u78c1\u789f\u5206\u5340\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8-centos-8-%e4%b8%8a%e5%ae%89%e8%a3%9d-lvm-SOeOSViMHW\">\u5728 CentOS 8 \u4e0a\u5b89\u88dd LVM<\/h2>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684 CentOS 8 \u7cfb\u7d71\u5df2\u7d93\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u66f4\u65b0\uff1a<\/p>\n<pre><code>sudo dnf update<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5b89\u88dd LVM \u5de5\u5177\u5305\uff1a<\/p>\n<pre><code>sudo dnf install lvm2<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e7%89%a9%e7%90%86%e5%8d%b7-SOeOSViMHW\">\u5275\u5efa\u7269\u7406\u5377<\/h2>\n<p>\u5728\u958b\u59cb\u4f7f\u7528 LVM \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u7269\u7406\u5377\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u65b0\u7684\u78c1\u789f \/dev\/sdb\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u5176\u8f49\u63db\u70ba\u7269\u7406\u5377\uff1a<\/p>\n<pre><code>sudo pvcreate \/dev\/sdb<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7269\u7406\u5377\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo pvdisplay<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%8d%b7%e7%b5%84-SOeOSViMHW\">\u5275\u5efa\u5377\u7d44<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5275\u5efa\u4e00\u500b\u5377\u7d44\uff0c\u5c07\u525b\u525b\u5275\u5efa\u7684\u7269\u7406\u5377\u6dfb\u52a0\u5230\u8a72\u5377\u7d44\u4e2d\u3002\u5047\u8a2d\u6211\u5011\u5c07\u5377\u7d44\u547d\u540d\u70ba vg_data\uff1a<\/p>\n<pre><code>sudo vgcreate vg_data \/dev\/sdb<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u5377\u7d44\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo vgdisplay<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e9%82%8f%e8%bc%af%e5%8d%b7-SOeOSViMHW\">\u5275\u5efa\u908f\u8f2f\u5377<\/h2>\n<p>\u73fe\u5728\u53ef\u4ee5\u5f9e\u5377\u7d44\u4e2d\u5275\u5efa\u908f\u8f2f\u5377\u3002\u5047\u8a2d\u6211\u5011\u8981\u5275\u5efa\u4e00\u500b\u5927\u5c0f\u70ba 10GB \u7684\u908f\u8f2f\u5377\uff0c\u547d\u540d\u70ba lv_data\uff1a<\/p>\n<pre><code>sudo lvcreate -n lv_data -L 10G vg_data<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u908f\u8f2f\u5377\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo lvdisplay<\/code><\/pre>\n<h2 id=\"%e6%a0%bc%e5%bc%8f%e5%8c%96%e9%82%8f%e8%bc%af%e5%8d%b7-SOeOSViMHW\">\u683c\u5f0f\u5316\u908f\u8f2f\u5377<\/h2>\n<p>\u5728\u4f7f\u7528\u908f\u8f2f\u5377\u4e4b\u524d\uff0c\u9700\u8981\u5c0d\u5176\u9032\u884c\u683c\u5f0f\u5316\u3002\u9019\u88e1\u6211\u5011\u5c07\u5176\u683c\u5f0f\u5316\u70ba ext4 \u6587\u4ef6\u7cfb\u7d71\uff1a<\/p>\n<pre><code>sudo mkfs.ext4 \/dev\/vg_data\/lv_data<\/code><\/pre>\n<h2 id=\"%e6%8e%9b%e8%bc%89%e9%82%8f%e8%bc%af%e5%8d%b7-SOeOSViMHW\">\u639b\u8f09\u908f\u8f2f\u5377<\/h2>\n<p>\u6700\u5f8c\uff0c\u5275\u5efa\u4e00\u500b\u639b\u8f09\u9ede\u4e26\u5c07\u908f\u8f2f\u5377\u639b\u8f09\u5230\u8a72\u4f4d\u7f6e\uff1a<\/p>\n<pre><code>sudo mkdir \/mnt\/data<\/code><\/pre>\n<pre><code>sudo mount \/dev\/vg_data\/lv_data \/mnt\/data<\/code><\/pre>\n<p>\u70ba\u4e86\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u81ea\u52d5\u639b\u8f09\u908f\u8f2f\u5377\uff0c\u53ef\u4ee5\u7de8\u8f2f \/etc\/fstab \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>\/dev\/vg_data\/lv_data \/mnt\/data ext4 defaults 0 0<\/code><\/pre>\n<h2 id=\"%e7%b2%be%e7%b0%a1%e9%82%8f%e8%bc%af%e5%8d%b7-SOeOSViMHW\">\u7cbe\u7c21\u908f\u8f2f\u5377<\/h2>\n<p>\u5982\u679c\u9700\u8981\u7cbe\u7c21\u908f\u8f2f\u5377\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u3002\u9996\u5148\uff0c\u78ba\u4fdd\u908f\u8f2f\u5377\u5df2\u7d93\u5378\u8f09\uff1a<\/p>\n<pre><code>sudo umount \/mnt\/data<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7e2e\u5c0f\u908f\u8f2f\u5377\u7684\u5927\u5c0f\uff0c\u4f8b\u5982\u7e2e\u5c0f\u5230 5GB\uff1a<\/p>\n<pre><code>sudo lvreduce -L 5G \/dev\/vg_data\/lv_data<\/code><\/pre>\n<p>\u6700\u5f8c\uff0c\u91cd\u65b0\u639b\u8f09\u908f\u8f2f\u5377\uff1a<\/p>\n<pre><code>sudo mount \/dev\/vg_data\/lv_data \/mnt\/data<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SOeOSViMHW\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS 8 \u4e0a\u90e8\u7f72 LVM\uff0c\u4e26\u7cbe\u7c21\u908f\u8f2f\u5377\u7684\u904e\u7a0b\u3002LVM \u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u78c1\u789f\u7ba1\u7406\u65b9\u6848\uff0c\u9069\u5408\u5404\u7a2e\u4f3a\u670d\u5668\u74b0\u5883\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cLVM \u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 8 \u4e0a\u90e8\u7f72 LVM\uff0c\u7cbe\u7c21\u908f\u8f2f\u5377\u4ee5\u512a\u5316\u5b58\u5132\u7ba1\u7406\u548c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\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-43962","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43962","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=43962"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43962\/revisions"}],"predecessor-version":[{"id":43963,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43962\/revisions\/43963"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}