{"id":43138,"date":"2024-10-04T18:26:58","date_gmt":"2024-10-04T10:26:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43138\/"},"modified":"2024-10-04T18:26:58","modified_gmt":"2024-10-04T10:26:58","slug":"centos-7-%e7%92%b0%e5%a2%83-lvm-%e9%82%8f%e8%bc%af%e5%8d%b7%e5%89%b5%e5%bb%ba%e8%88%87%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43138\/","title":{"rendered":"CentOS 7 \u74b0\u5883 LVM \u908f\u8f2f\u5377\u5275\u5efa\u8207\u7ba1\u7406"},"content":{"rendered":"<h1 id=\"centos-7-%e7%92%b0%e5%a2%83-lvm-%e9%82%8f%e8%bc%af%e5%8d%b7%e5%89%b5%e5%bb%ba%e8%88%87%e7%ae%a1%e7%90%86-ndDysVkGmC\">CentOS 7 \u74b0\u5883 LVM \u908f\u8f2f\u5377\u5275\u5efa\u8207\u7ba1\u7406<\/h1>\n<p>\u5728\u73fe\u4ee3\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u908f\u8f2f\u5377\u7ba1\u7406\uff08LVM\uff09\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7279\u5225\u662f\u5728 CentOS 7 \u74b0\u5883\u4e2d\u3002LVM \u5141\u8a31\u7528\u6236\u9748\u6d3b\u5730\u7ba1\u7406\u78c1\u789f\u7a7a\u9593\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u74b0\u5883\u4e2d\u5275\u5efa\u548c\u7ba1\u7406 LVM \u908f\u8f2f\u5377\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-lvm%ef%bc%9f-ndDysVkGmC\">\u4ec0\u9ebc\u662f LVM\uff1f<\/h2>\n<p>\u908f\u8f2f\u5377\u7ba1\u7406\uff08LVM\uff09\u662f\u4e00\u7a2e\u78c1\u789f\u7ba1\u7406\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5c07\u591a\u500b\u7269\u7406\u78c1\u789f\u5408\u4f75\u70ba\u4e00\u500b\u908f\u8f2f\u5377\u3002\u9019\u6a23\u7528\u6236\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u9032\u884c\u78c1\u789f\u7684\u64f4\u5c55\u3001\u7e2e\u6e1b\u548c\u5feb\u7167\u7b49\u64cd\u4f5c\u3002LVM \u7684\u4e3b\u8981\u7d44\u4ef6\u5305\u62ec\u7269\u7406\u5377\uff08PV\uff09\u3001\u5377\u7d44\uff08VG\uff09\u548c\u908f\u8f2f\u5377\uff08LV\uff09\u3002<\/p>\n<ul>\n<li><strong>\u7269\u7406\u5377\uff08PV\uff09<\/strong>\uff1a\u5be6\u969b\u7684\u78c1\u789f\u6216\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\u7d44\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\u5206\u5340\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-lvm-ndDysVkGmC\">\u5b89\u88dd LVM<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\uff0cLVM \u901a\u5e38\u662f\u9810\u88dd\u7684\u3002\u5982\u679c\u9700\u8981\u5b89\u88dd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo yum install lvm2<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba-lvm-%e9%82%8f%e8%bc%af%e5%8d%b7%e7%9a%84%e6%ad%a5%e9%a9%9f-ndDysVkGmC\">\u5275\u5efa LVM \u908f\u8f2f\u5377\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e6%ba%96%e5%82%99%e7%89%a9%e7%90%86%e5%8d%b7-ndDysVkGmC\">1. \u6e96\u5099\u7269\u7406\u5377<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6e96\u5099\u4e00\u500b\u6216\u591a\u500b\u7269\u7406\u5377\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u7269\u7406\u5377\uff1a<\/p>\n<pre><code>sudo pvcreate \/dev\/sdb<\/code><\/pre>\n<p>\u9019\u88e1\u5047\u8a2d \/dev\/sdb \u662f\u60a8\u8981\u7528\u4f5c\u7269\u7406\u5377\u7684\u78c1\u789f\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e5%8d%b7%e7%b5%84-ndDysVkGmC\">2. \u5275\u5efa\u5377\u7d44<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u5377\u7d44\uff0c\u5c07\u7269\u7406\u5377\u6dfb\u52a0\u5230\u8a72\u7d44\u4e2d\uff1a<\/p>\n<pre><code>sudo vgcreate my_volume_group \/dev\/sdb<\/code><\/pre>\n<p>\u9019\u88e1\uff0cmy_volume_group \u662f\u60a8\u5275\u5efa\u7684\u5377\u7d44\u540d\u7a31\u3002<\/p>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">3. \u5275\u5efa\u908f\u8f2f\u5377<\/h3>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u5f9e\u5377\u7d44\u4e2d\u5275\u5efa\u908f\u8f2f\u5377\uff1a<\/p>\n<pre><code>sudo lvcreate -n my_logical_volume -L 10G my_volume_group<\/code><\/pre>\n<p>\u9019\u88e1\uff0cmy_logical_volume \u662f\u908f\u8f2f\u5377\u7684\u540d\u7a31\uff0c-L 10G \u8868\u793a\u908f\u8f2f\u5377\u7684\u5927\u5c0f\u70ba 10GB\u3002<\/p>\n<h3 id=\"4-%e6%a0%bc%e5%bc%8f%e5%8c%96%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">4. \u683c\u5f0f\u5316\u908f\u8f2f\u5377<\/h3>\n<p>\u5275\u5efa\u908f\u8f2f\u5377\u5f8c\uff0c\u60a8\u9700\u8981\u683c\u5f0f\u5316\u5b83\u4ee5\u4fbf\u4f7f\u7528\uff1a<\/p>\n<pre><code>sudo mkfs.ext4 \/dev\/my_volume_group\/my_logical_volume<\/code><\/pre>\n<h3 id=\"5-%e6%8c%82%e8%bc%89%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">5. \u6302\u8f09\u908f\u8f2f\u5377<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u908f\u8f2f\u5377\u6302\u8f09\u5230\u7cfb\u7d71\u4e2d\uff1a<\/p>\n<pre><code>sudo mkdir \/mnt\/my_mount_point<\/code><\/pre>\n<pre><code>sudo mount \/dev\/my_volume_group\/my_logical_volume \/mnt\/my_mount_point<\/code><\/pre>\n<h2 id=\"%e7%ae%a1%e7%90%86-lvm-%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">\u7ba1\u7406 LVM \u908f\u8f2f\u5377<\/h2>\n<p>\u5728\u5275\u5efa\u4e86 LVM \u908f\u8f2f\u5377\u5f8c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u4e00\u4e9b\u7ba1\u7406\u64cd\u4f5c\uff0c\u4f8b\u5982\u64f4\u5c55\u6216\u7e2e\u6e1b\u908f\u8f2f\u5377\u3002<\/p>\n<h3 id=\"%e6%93%b4%e5%b1%95%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">\u64f4\u5c55\u908f\u8f2f\u5377<\/h3>\n<p>\u8981\u64f4\u5c55\u908f\u8f2f\u5377\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo lvextend -L +5G \/dev\/my_volume_group\/my_logical_volume<\/code><\/pre>\n<p>\u9019\u88e1\uff0c+5G \u8868\u793a\u5c07\u908f\u8f2f\u5377\u64f4\u5c55 5GB\u3002<\/p>\n<h3 id=\"%e7%b8%ae%e6%b8%9b%e9%82%8f%e8%bc%af%e5%8d%b7-ndDysVkGmC\">\u7e2e\u6e1b\u908f\u8f2f\u5377<\/h3>\n<p>\u7e2e\u6e1b\u908f\u8f2f\u5377\u4e4b\u524d\uff0c\u5fc5\u9808\u5148\u5378\u8f09\u5b83\uff1a<\/p>\n<pre><code>sudo umount \/mnt\/my_mount_point<\/code><\/pre>\n<p>\u7136\u5f8c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7e2e\u6e1b\u908f\u8f2f\u5377\uff1a<\/p>\n<pre><code>sudo lvreduce -L -5G \/dev\/my_volume_group\/my_logical_volume<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ndDysVkGmC\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u74b0\u5883\u4e2d\uff0cLVM \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u78c1\u789f\u7a7a\u9593\u3002\u901a\u904e\u5275\u5efa\u7269\u7406\u5377\u3001\u5377\u7d44\u548c\u908f\u8f2f\u5377\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u64f4\u5c55\u548c\u7e2e\u6e1b\u5b58\u5132\u7a7a\u9593\u3002\u9019\u5c0d\u65bc\u9700\u8981\u52d5\u614b\u8abf\u6574\u5b58\u5132\u9700\u6c42\u7684\u4f3a\u670d\u5668\u74b0\u5883\u4f86\u8aaa\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u7ba1\u7406\u9078\u9805\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u74b0\u5883\u4e2d\u5275\u5efa\u8207\u7ba1\u7406 LVM \u908f\u8f2f\u5377\uff0c\u63d0\u5347\u5b58\u5132\u9748\u6d3b\u6027\u8207\u6548\u7387\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-43138","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43138","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=43138"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43138\/revisions"}],"predecessor-version":[{"id":43139,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43138\/revisions\/43139"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}