{"id":108576,"date":"2026-09-22T07:33:32","date_gmt":"2026-09-21T23:33:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108576.html"},"modified":"2026-09-22T07:33:32","modified_gmt":"2026-09-21T23:33:32","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8-lvm-%e6%a0%b9%e5%88%86%e5%8c%ba%e5%9c%a8%e7%ba%bf%e5%8a%a8%e6%80%81%e6%89%a9%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108576.html","title":{"rendered":"Linux \u670d\u52a1\u5668 LVM \u6839\u5206\u533a\u5728\u7ebf\u52a8\u6001\u6269\u5bb9"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>1. \u6269\u5bb9\u80cc\u666f\u4e0e\u73b0\u72b6\u6392\u67e5<\/li>\n<li>\n<ul>\n<li>1.1 \u5bb9\u91cf\u4e0e\u8bbe\u5907\u68c0\u67e5<\/li>\n<li>1.2 LVM \u5377\u7ec4\u68c0\u67e5<\/li>\n<\/ul>\n<\/li>\n<li>2. \u6269\u5bb9\u64cd\u4f5c\u6b65\u9aa4<\/li>\n<li>\n<ul>\n<li>\u6b65\u9aa4\u4e00&#xff1a;\u521b\u5efa\u7269\u7406\u5377&#xff08;Physical Volume&#xff09;<\/li>\n<li>\u6b65\u9aa4\u4e8c&#xff1a;\u6269\u5c55\u5377\u7ec4&#xff08;Volume Group&#xff09;<\/li>\n<li>\u6b65\u9aa4\u4e09&#xff1a;\u6309\u9700\u6269\u5c55\u903b\u8f91\u5377&#xff08;Logical Volume&#xff09;<\/li>\n<li>\u6b65\u9aa4\u56db&#xff1a;\u5728\u7ebf\u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u5927\u5c0f&#xff08;Resize Filesystem&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>3. \u6269\u5bb9\u7ed3\u679c\u6821\u9a8c\u4e0e\u670d\u52a1\u6062\u590d<\/li>\n<li>\n<ul>\n<li>3.1 \u78c1\u76d8\u7a7a\u95f4\u6821\u9a8c<\/li>\n<li>3.2 \u53d7\u5f71\u54cd\u670d\u52a1\u91cd\u542f\u4e0e\u72b6\u6001\u6838\u67e5<\/li>\n<\/ul>\n<\/li>\n<li>4. \u5e38\u89c1\u95ee\u9898\u4e0e\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>1. \u6269\u5bb9\u80cc\u666f\u4e0e\u73b0\u72b6\u6392\u67e5<\/h3>\n<p>\u670d\u52a1\u5668\u6839\u5206\u533a\u51fa\u73b0\u5bb9\u91cf\u544a\u8b66&#xff08;\u7a7a\u95f4\u4f7f\u7528\u7387\u8fbe\u5230 100%&#xff09;&#xff0c;\u5bfc\u81f4\u76f8\u5173\u6570\u636e\u5e93\u53ca\u5bb9\u5668\u670d\u52a1\u5f02\u5e38\u6216\u5199\u5165\u53d7\u9650\u3002\u9700\u8981\u901a\u8fc7\u6dfb\u52a0\u65b0\u786c\u76d8\u5e76\u5728\u4e0d\u505c\u673a\u3001\u4e0d\u5f71\u54cd\u6570\u636e\u7684\u524d\u63d0\u4e0b\u5bf9\u6839\u5206\u533a\u8fdb\u884c\u5728\u7ebf\u6269\u5bb9\u3002<\/p>\n<h4>1.1 \u5bb9\u91cf\u4e0e\u8bbe\u5907\u68c0\u67e5<\/h4>\n<p>\u4f7f\u7528 df \u53ca lsblk \u547d\u4ee4\u786e\u8ba4\u5f53\u524d\u5b58\u50a8\u4f7f\u7528\u60c5\u51b5\u4e0e\u78c1\u76d8\u8bbe\u5907\u5206\u5e03&#xff1a;<\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6lsblk (List Block Devices)df (Disk Free)<\/tr>\n<tbody>\n<tr>\n<td>\u5173\u6ce8\u5bf9\u8c61<\/td>\n<td>\u786c\u4ef6\u4e0e\u903b\u8f91\u7ed3\u6784&#xff08;\u5757\u8bbe\u5907\u3001\u5206\u533a\u3001LVM \u5377&#xff09;<\/td>\n<td>\u5df2\u6302\u8f7d\u7684\u6587\u4ef6\u7cfb\u7edf&#xff08;\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u7387&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u89c6\u89d2<\/td>\n<td>\u7269\u7406\/\u903b\u8f91\u8bbe\u5907\u7684\u201c\u6811\u72b6\u7ed3\u6784\u56fe\u201d<\/td>\n<td>\u6302\u8f7d\u70b9\u4e0a\u7684\u201c\u5269\u4f59\u7a7a\u95f4\u7edf\u8ba1\u8868\u201d<\/td>\n<\/tr>\n<tr>\n<td>\u672a\u6302\u8f7d\u8bbe\u5907<\/td>\n<td>\u80fd\u8bc6\u522b&#xff08;\u5373\u4f7f\u6ca1\u6709\u6302\u8f7d\u4e5f\u80fd\u5217\u51fa&#xff09;<\/td>\n<td>\u65e0\u6cd5\u8bc6\u522b&#xff08;\u53ea\u7edf\u8ba1\u5df2\u6302\u8f7d\u7684\u5206\u533a&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u663e\u793a\u6307\u6807<\/td>\n<td>\u8bbe\u5907\u540d\u3001\u5bb9\u91cf\u5927\u5c0f\u3001\u8bbe\u5907\u7c7b\u578b&#xff08;disk\/part\/lvm&#xff09;\u3001\u6302\u8f7d\u70b9<\/td>\n<td>\u603b\u5bb9\u91cf\u3001\u5df2\u7528\u7a7a\u95f4\u3001\u53ef\u7528\u7a7a\u95f4\u3001\u4f7f\u7528\u7387\u3001\u6302\u8f7d\u70b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1beca2324d.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1beca643e4.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u78c1\u76d8\u73b0\u72b6&#xff1a;<\/li>\n<li>\u539f\u7cfb\u7edf\u76d8 \/dev\/sda \u4e3a 80G&#xff0c;\u6839\u5206\u533a \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0 \u4ec5 76G \u4e14\u5df2\u6ee1&#xff08;\u4f7f\u7528\u7387 100%&#xff09;\u3002<\/li>\n<li>\u65b0\u589e\u7269\u7406\u78c1\u76d8 **&lt;font style&#061;&#034;color:#DF2A3F;&#034;&gt;\/dev\/sdb&lt;\/font&gt;**&#xff08;\u5bb9\u91cf 1000G\/1TB&#xff09;&#xff0c;\u76ee\u524d\u672a\u683c\u5f0f\u5316\u4e14\u672a\u5206\u914d\u3002<\/li>\n<\/ul>\n<h4>1.2 LVM \u5377\u7ec4\u68c0\u67e5<\/h4>\n<p>\u68c0\u67e5\u5f53\u524d\u5377\u7ec4&#xff08;Volume Group&#xff09;\u72b6\u6001&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> vgs<\/p>\n<ul>\n<li>\u5377\u7ec4\u73b0\u72b6&#xff1a;\u5377\u7ec4\u540d\u79f0\u4e3a ubuntu-vg&#xff0c;\u76ee\u524d\u4ec5\u7531 1 \u4e2a PV \u7ec4\u6210&#xff0c;\u5269\u4f59\u53ef\u5206\u914d\u7a7a\u95f4\u4ec5\u7ea6 1GB\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1beca8e1f6.png\" alt=\"\" \/><\/p>\n<h3>2. \u6269\u5bb9\u64cd\u4f5c\u6b65\u9aa4<\/h3>\n<h4>\u6b65\u9aa4\u4e00&#xff1a;\u521b\u5efa\u7269\u7406\u5377&#xff08;Physical Volume&#xff09;<\/h4>\n<p>\u5c06\u65b0\u52a0\u5165\u7684\u5757\u8bbe\u5907 \/dev\/sdb \u521d\u59cb\u5316\u4e3a LVM \u7269\u7406\u5377&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> pvcreate \/dev\/sdb<\/p>\n<ul>\n<li>\u8f93\u51fa\u9a8c\u8bc1&#xff1a;Physical volume &#034;\/dev\/sdb&#034; successfully created.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1becaa466f.png\" alt=\"\" \/><\/p>\n<h4>\u6b65\u9aa4\u4e8c&#xff1a;\u6269\u5c55\u5377\u7ec4&#xff08;Volume Group&#xff09;<\/h4>\n<p>\u5c06\u65b0\u5efa\u7684\u7269\u7406\u5377 \/dev\/sdb \u52a0\u5165\u5230\u76ee\u6807\u5377\u7ec4 ubuntu-vg \u4e2d&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> vgextend ubuntu-vg \/dev\/sdb<\/p>\n<ul>\n<li>\u8f93\u51fa\u9a8c\u8bc1&#xff1a;Volume group &#034;ubuntu-vg&#034; successfully extended<\/li>\n<li>\u72b6\u6001\u6838\u67e5&#xff1a;\u8fd0\u884c sudo vgs \u53ef\u67e5\u770b\u5230 ubuntu-vg \u7684\u5bb9\u91cf\u5df2\u7531 78G \u6269\u5145\u81f3\u7ea6 1.05T&#xff0c;\u672a\u5206\u914d\u7a7a\u95f4&#xff08;VFree&#xff09;\u589e\u52a0\u7ea6 1000G\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1becabb26f.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1becad4a31.png\" alt=\"\" \/><\/p>\n<h4>\u6b65\u9aa4\u4e09&#xff1a;\u6309\u9700\u6269\u5c55\u903b\u8f91\u5377&#xff08;Logical Volume&#xff09;<\/h4>\n<p>\u67e5\u770b\u5f53\u524d\u7684\u903b\u8f91\u5377\u540d\u79f0&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> lvs<\/p>\n<ul>\n<li>\u786e\u8ba4\u8bc6\u522b&#xff1a;\u5377\u7ec4 ubuntu-vg \u4e0b\u7684\u6839\u5206\u533a\u903b\u8f91\u5377\u540d\u79f0\u4e3a lv-0&#xff08;\u5bf9\u5e94\u8bbe\u5907\u8def\u5f84 \/dev\/ubuntu-vg\/lv-0 \u6216 \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u9488\u5bf9\u903b\u8f91\u5377\u5206\u914d\u65b0\u589e\u7a7a\u95f4&#xff08;\u4f8b\u5982\u5206\u914d\u672a\u5206\u914d\u7a7a\u95f4\u7684 50%&#xff09;&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> lvextend <span class=\"token parameter variable\">-l<\/span> &#043;50%FREE \/dev\/ubuntu-vg\/lv-0<\/p>\n<ul>\n<li>\u8f93\u51fa\u9a8c\u8bc1&#xff1a;Size of logical volume ubuntu-vg\/lv-0 changed from 77.00 GiB &#8230; to &lt;577.50 GiB<\/li>\n<\/ul>\n<p>\u8865\u5145\u8bf4\u660e&#xff1a;\u82e5\u9700\u4f7f\u7528\u5269\u4f59\u7684\u5168\u90e8\u7a7a\u95f2\u7a7a\u95f4&#xff0c;\u53ef\u6267\u884c sudo lvextend -l &#043;100%FREE \/dev\/ubuntu-vg\/lv-0\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233330-6ab1becaec169.png\" alt=\"\" \/><\/p>\n<h4>\u6b65\u9aa4\u56db&#xff1a;\u5728\u7ebf\u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u5927\u5c0f&#xff08;Resize Filesystem&#xff09;<\/h4>\n<p>\u5c06\u903b\u8f91\u5377\u6269\u5bb9\u7684\u7a7a\u95f4\u540c\u6b65\u6269\u5c55\u81f3\u5e95\u5c42 Ext4 \u6587\u4ef6\u7cfb\u7edf&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> resize2fs \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0<\/p>\n<ul>\n<li>\u8f93\u51fa\u9a8c\u8bc1&#xff1a;<\/li>\n<li>Filesystem at \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0 is mounted on \/; on-line resizing required<\/li>\n<li>The filesystem on \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0 is now 151387136 (4k) blocks long.<\/li>\n<\/ul>\n<h3>3. \u6269\u5bb9\u7ed3\u679c\u6821\u9a8c\u4e0e\u670d\u52a1\u6062\u590d<\/h3>\n<h4>3.1 \u78c1\u76d8\u7a7a\u95f4\u6821\u9a8c<\/h4>\n<p>\u518d\u6b21\u68c0\u67e5\u6302\u8f7d\u70b9\u7a7a\u95f4&#xff1a;<\/p>\n<p><span class=\"token function\">df<\/span> <span class=\"token parameter variable\">-h<\/span><\/p>\n<ul>\n<li>\u7ed3\u679c\u5206\u6790&#xff1a;\u6839\u5206\u533a \/dev\/mapper\/ubuntu&#8211;vg-lv&#8211;0 \u5bb9\u91cf\u5df2\u6210\u529f\u7531 76G \u6269\u5145\u81f3 568G&#xff0c;\u4f7f\u7528\u7387\u964d\u81f3 14%&#xff0c;\u6269\u5bb9\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921233331-6ab1becb216af.png\" alt=\"\" \/><\/p>\n<h4>3.2 \u53d7\u5f71\u54cd\u670d\u52a1\u91cd\u542f\u4e0e\u72b6\u6001\u6838\u67e5<\/h4>\n<p>\u7531\u4e8e\u78c1\u76d8\u7a7a\u95f4\u66fe\u7ecf\u8017\u5c3d&#xff0c;\u9700\u5bf9\u4f9d\u8d56\u78c1\u76d8\u5199\u5165\u7684\u57fa\u7840\u670d\u52a1&#xff08;\u5982 PostgreSQL&#xff09;\u8fdb\u884c\u91cd\u542f\u4e0e\u96c6\u7fa4\u5728\u7ebf\u72b6\u6001\u786e\u8ba4&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u91cd\u542f PostgreSQL \u670d\u52a1<\/span><br \/>\n<span class=\"token function\">sudo<\/span> systemctl restart postgresql<\/p>\n<p><span class=\"token comment\"># \u67e5\u770b PostgreSQL \u670d\u52a1\u72b6\u6001<\/span><br \/>\n<span class=\"token function\">sudo<\/span> systemctl status postgresql<\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5 PostgreSQL \u96c6\u7fa4\u8fd0\u884c\u72b6\u6001<\/span><br \/>\npg_lsclusters<\/p>\n<ul>\n<li>\u72b6\u6001\u786e\u8ba4&#xff1a;PostgreSQL 12 (main) \u72b6\u6001\u663e\u793a\u4e3a online&#xff0c;\u7aef\u53e3 5432 \u6b63\u5e38\u76d1\u542c&#xff0c;\u6570\u636e\u6587\u4ef6\u76ee\u5f55 \/opt\/postgres\/data \u8bfb\u5199\u6062\u590d\u6b63\u5e38\u3002<\/li>\n<\/ul>\n<h3>4. \u5e38\u89c1\u95ee\u9898\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h3>\n<li>\u6743\u9650\u95ee\u9898&#xff1a;<\/li>\n<ul>\n<li>\u5728\u975e root \u6743\u9650\u4e0b\u8fd0\u884c vgs \u6216 lvs \u4f1a\u63d0\u793a Permission denied \u6216 Functionality may be unavailable&#xff0c;\u6240\u6709 LVM \u76f8\u5173\u6307\u4ee4\u5efa\u8bae\u4f7f\u7528 sudo \u6216\u5728 root \u7528\u6237\u4e0b\u6267\u884c\u3002<\/li>\n<\/ul>\n<li>\u903b\u8f91\u5377\u8def\u5f84\u8bc6\u522b\u9519\u8bef&#xff1a;<\/li>\n<ul>\n<li>\u9ed8\u8ba4 Ubuntu \u5b89\u88c5\u7a0b\u5e8f\u81ea\u52a8\u751f\u6210\u7684 LV \u540d\u79f0\u53ef\u80fd\u4e3a lv-0 \u800c\u975e ubuntu-lv\u3002\u5728\u6267\u884c lvextend \u524d\u52a1\u5fc5\u5148\u901a\u8fc7 sudo lvs \u786e\u8ba4\u51c6\u786e\u7684 LV \u540d\u79f0&#xff0c;\u907f\u514d\u51fa\u73b0 Logical volume &#8230; not found \u9519\u8bef\u3002<\/li>\n<\/ul>\n<li>\u6587\u4ef6\u7cfb\u7edf\u547d\u4ee4\u9009\u62e9&#xff1a;<\/li>\n<ul>\n<li>\u672c\u4f8b\u4e2d\u4f7f\u7528 resize2fs \u9002\u7528\u4e8e Ext2\/Ext3\/Ext4 \u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<li>\u82e5\u670d\u52a1\u5668\u6839\u5206\u533a\u91c7\u7528\u7684\u662f XFS \u6587\u4ef6\u7cfb\u7edf&#xff0c;\u5219\u9700\u4f7f\u7528 xfs_growfs &lt;\u6302\u8f7d\u70b9&gt; \u547d\u4ee4\u8fdb\u884c\u5728\u7ebf\u6269\u5c55&#xff08;\u5982 xfs_growfs \/&#xff09;\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f551. \u6269\u5bb9\u80cc\u666f\u4e0e\u73b0\u72b6\u6392\u67e51.1 \u5bb9\u91cf\u4e0e\u8bbe\u5907\u68c0\u67e51.2 LVM \u5377\u7ec4\u68c0\u67e52. \u6269\u5bb9\u64cd\u4f5c\u6b65\u9aa4\u6b65\u9aa4\u4e00&#xff1a;\u521b\u5efa\u7269\u7406\u5377&#xff08;Physical Volume&#xff09;\u6b65\u9aa4\u4e8c&#xff1a;\u6269\u5c55\u5377\u7ec4&#xff08;Volume Group&#xff09;\u6b65\u9aa4\u4e09&#xff1a;\u6309\u9700\u6269\u5c55\u903b\u8f91\u5377&#xff08;Logical Volume&#xff09;\u6b65\u9aa4\u56db&#xff1a;\u5728\u7ebf\u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u5927\u5c0f&#xff08;Resize Filesystem&#xff09;<\/p>\n","protected":false},"author":2,"featured_media":108568,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,100,43],"topic":[],"class_list":["post-108576","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-100","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \u670d\u52a1\u5668 LVM \u6839\u5206\u533a\u5728\u7ebf\u52a8\u6001\u6269\u5bb9 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/108576.html\" 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