{"id":97,"date":"2022-12-07T16:17:26","date_gmt":"2023-10-24T22:03:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87\/"},"modified":"2025-07-31T22:51:29","modified_gmt":"2025-07-31T14:51:29","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87\/","title":{"rendered":"Ubuntu 18.04 LVM\u5b58\u50a8\u7ba1\u7406\u7ec8\u6781\u6307\u5357\uff1a\u5206\u533a\u3001\u6269\u5bb9\u4e0e\u7ef4\u62a4"},"content":{"rendered":"<h3>\u7b80\u4ecb<\/h3>\n<p>\u903b\u8f91\u5377\u7ba1\u7406\uff08Logical Volume Management\uff0c\u7b80\u79f0LVM\uff09\u662f\u4e00\u79cd\u5b58\u50a8\u8bbe\u5907\u7ba1\u7406\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u805a\u5408\u548c\u62bd\u8c61\u5316\u7ec4\u4ef6\u5b58\u50a8\u8bbe\u5907\u7684\u7269\u7406\u5e03\u5c40\uff0c\u4ee5\u5b9e\u73b0\u7075\u6d3b\u7684\u7ba1\u7406\u3002\u5229\u7528Linux\u5185\u6838\u7684\u8bbe\u5907\u6620\u5c04\u5668\u6846\u67b6\uff0c\u6700\u65b0\u7248\u672c\u7684LVM2\u80fd\u591f\u5c06\u73b0\u6709\u5b58\u50a8\u8bbe\u5907\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u6839\u636e\u9700\u8981\u4ece\u7ec4\u5408\u7684\u7a7a\u95f4\u4e2d\u5206\u914d\u903b\u8f91\u5355\u5143\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u5b66\u4e60\u5982\u4f55\u901a\u8fc7\u663e\u793a\u5377\u548c\u6f5c\u5728\u76ee\u6807\u7684\u4fe1\u606f\u6765\u7ba1\u7406LVM\uff0c\u521b\u5efa\u548c\u9500\u6bc1\u5404\u79cd\u7c7b\u578b\u7684\u5377\uff0c\u5e76\u901a\u8fc7\u8c03\u6574\u5927\u5c0f\u6216\u8f6c\u6362\u6765\u4fee\u6539\u73b0\u6709\u5377\u3002<\/p>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u8981\u8ddf\u8fdb\u672c\u6559\u7a0b\uff0c\u60a8\u9700\u8981\u5728Ubuntu 18.04\u670d\u52a1\u5668\u4e0a\u914d\u7f6e\u4e00\u4e2a\u5177\u6709sudo\u6743\u9650\u7684\u975eroot\u7528\u6237\u3002\u60a8\u53ef\u4ee5\u6309\u7167\u6211\u4eec\u7684<a href=\"#\">Ubuntu 18.04\u670d\u52a1\u5668\u521d\u59cb\u8bbe\u7f6e\u6307\u5357<\/a>\u5f00\u59cb\u64cd\u4f5c\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u60a8\u5bf9LVM\u7ec4\u4ef6\u548c\u6982\u5ff5\u4e0d\u719f\u6089\uff0c\u53ef\u4ee5\u67e5\u770b\u6211\u4eec\u7684<a href=\"#\">LVM\u5165\u95e8\u6307\u5357<\/a>\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n<p>\u5f53\u60a8\u51c6\u5907\u5c31\u7eea\u540e\uff0c\u8bf7\u4f7f\u7528sudo\u7528\u6237\u767b\u5f55\u5230\u60a8\u7684\u670d\u52a1\u5668\u3002<\/p>\n<h2>\u6b65\u9aa41 &#8211; \u663e\u793a\u7269\u7406\u5377\u3001\u5377\u7ec4\u548c\u903b\u8f91\u5377\u7684\u4fe1\u606f<\/h2>\n<p>\u4e86\u89e3\u7cfb\u7edf\u4e0a\u5404\u79cdLVM\u7ec4\u4ef6\u7684\u4fe1\u606f\u5bf9\u4e8e\u7ba1\u7406\u7269\u7406\u5377\u548c\u903b\u8f91\u5377\u81f3\u5173\u91cd\u8981\u3002LVM\u63d0\u4f9b\u4e86\u591a\u79cd\u5de5\u5177\uff0c\u7528\u4e8e\u663e\u793aLVM\u5806\u6808\u4e2d\u6bcf\u4e2a\u5c42\u7684\u4fe1\u606f\u3002<\/p>\n<h3>\u663e\u793a\u6240\u6709LVM\u517c\u5bb9\u5757\u5b58\u50a8\u8bbe\u5907\u7684\u4fe1\u606f<\/h3>\n<p>\u8981\u663e\u793aLVM\u6f5c\u5728\u53ef\u7ba1\u7406\u7684\u6240\u6709\u53ef\u7528\u5757\u5b58\u50a8\u8bbe\u5907\uff0c\u8bf7\u4f7f\u7528<code>lvmdiskscan<\/code>\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvmdiskscan<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>\/dev\/sda [ 200.00 GiB]\r\n\/dev\/sdb [ 100.00 GiB]\r\n2 disks\r\n2 partitions\r\n0 LVM physical volume whole disks\r\n0 LVM physical volumes<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\u53ef\u4ee5\u7528\u4f5cLVM\u7269\u7406\u5377\u7684\u8bbe\u5907\u3002<\/p>\n<p>\u5f53\u60a8\u5411LVM\u6dfb\u52a0\u65b0\u7684\u5b58\u50a8\u8bbe\u5907\u65f6\uff0c\u8fd9\u5f88\u53ef\u80fd\u662f\u60a8\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h3>\u663e\u793a\u7269\u7406\u5377\u7684\u4fe1\u606f<\/h3>\n<p>LVM\u4f1a\u5728\u5b58\u50a8\u8bbe\u5907\u4e0a\u5199\u5165\u4e00\u4e2a\u6807\u9898\uff0c\u5c06\u5176\u6807\u8bb0\u4e3a\u53ef\u7528\u4f5cLVM\u7ec4\u4ef6\u3002\u5e26\u6709\u8fd9\u4e9b\u6807\u9898\u7684\u8bbe\u5907\u88ab\u79f0\u4e3a\u7269\u7406\u5377\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528<code>lvmdiskscan<\/code>\u547d\u4ee4\uff0c\u914d\u5408<code>-l<\/code>\u9009\u9879\uff0c\u663e\u793a\u7cfb\u7edf\u4e0a\u7684\u6240\u6709\u7269\u7406\u8bbe\u5907\uff0c\u8be5\u547d\u4ee4\u53ea\u4f1a\u8fd4\u56de\u7269\u7406\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvmdiskscan <span class=\"token parameter variable\">-l<\/span><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>WARNING: only considering LVM devices\r\n\/dev\/sda [ 200.00 GiB] LVM physical volume\r\n\/dev\/sdb [ 100.00 GiB] LVM physical volume\r\n2 LVM physical volume whole disks\r\n0 LVM physical volumes<\/code><\/pre>\n<p><code>pvscan<\/code>\u547d\u4ee4\u7c7b\u4f3c\u4e8e\u5728\u6240\u6709\u53ef\u7528\u8bbe\u5907\u4e2d\u641c\u7d22LVM\u7269\u7406\u5377\u3002\u8f93\u51fa\u683c\u5f0f\u5305\u542b\u5c11\u91cf\u989d\u5916\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> pvscan<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>PV \/dev\/sda VG LVMVolGroup lvm2 [200.00 GiB \/ 0 free]\r\nPV \/dev\/sdb VG LVMVolGroup lvm2 [100.00 GiB \/ 10.00 GiB free]\r\nTotal: 2 [299.99 GiB] \/ in use: 2 [299.99 GiB] \/ in no VG: 0 [0 ]<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5173\u4e8e\u60a8\u7684\u5377\u7684\u989d\u5916\u8be6\u7ec6\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528<code>pvs<\/code>\u548c<code>pvdisplay<\/code>\u547d\u4ee4\u83b7\u53d6\u3002<\/p>\n<p><code>pvs<\/code>\u547d\u4ee4\u5177\u6709\u9ad8\u5ea6\u53ef\u914d\u7f6e\u6027\uff0c\u53ef\u4ee5\u4ee5\u8bb8\u591a\u4e0d\u540c\u7684\u683c\u5f0f\u663e\u793a\u4fe1\u606f\u3002\u7531\u4e8e\u5176\u8f93\u51fa\u53ef\u4ee5\u7cbe\u786e\u63a7\u5236\uff0c\u56e0\u6b64\u5728\u9700\u8981\u811a\u672c\u5316\u6216\u81ea\u52a8\u5316\u65f6\u7ecf\u5e38\u4f7f\u7528\u3002\u5b83\u7684\u57fa\u672c\u8f93\u51fa\u7c7b\u4f3c\u4e8e\u4e4b\u524d\u7684\u547d\u4ee4\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4fbf\u4e8e\u4e00\u76ee\u4e86\u7136\u7684\u6c47\u603b\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> pvs<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>PV         VG        Fmt  Attr PSize   PFree\r\n\/dev\/sda   LVMVolGroup lvm2 a--  200.00g     0\r\n\/dev\/sdb   LVMVolGroup lvm2 a--  100.00g 10.00g<\/code><\/pre>\n<p>\u8981\u83b7\u53d6\u66f4\u591a\u8be6\u7ec6\u4e14\u6613\u8bfb\u7684\u8f93\u51fa\uff0c<code>pvdisplay<\/code>\u547d\u4ee4\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> pvdisplay<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>--- Physical volume ---\r\n  PV Name               \/dev\/sda\r\n  VG Name               LVMVolGroup\r\n  PV Size               200.00 GiB \/ not usable 4.00 MiB\r\n  Allocatable           yes (but full)\r\n  PE Size               4.00 MiB\r\n  Total PE              51199\r\n  Free PE               0\r\n  Allocated PE          51199\r\n  PV UUID               kRUOyU-0ib4-ujPh-kAJP-eeQv-ztRL-4EkaDQ\r\n\r\n--- Physical volume ---\r\n  PV Name               \/dev\/sdb\r\n  VG Name               LVMVolGroup\r\n  PV Size               100.00 GiB \/ not usable 4.00 MiB\r\n  Allocatable           yes\r\n  PE Size               4.00 MiB\r\n  Total PE              25599\r\n  Free PE               2560\r\n  Allocated PE          23039\r\n  PV UUID               udcuRJ-jCDC-26nD-ro9u-QQNd-D6VL-GEIlD7<\/code><\/pre>\n<p>\u8981\u53d1\u73b0\u5df2\u6620\u5c04\u5230\u6bcf\u4e2a\u5377\u7684\u903b\u8f91\u8303\u56f4\uff0c\u8bf7\u5728<code>pvdisplay<\/code>\u547d\u4ee4\u4e2d\u52a0\u5165<code>-m<\/code>\u9009\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> pvdisplay <span class=\"token parameter variable\">-m<\/span><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&#8212; \u7269\u7406\u5377 &#8212;<\/p>\n<p>PV \u540d\u79f0 \/dev\/sda<\/p>\n<p>VG \u540d\u79f0 LVMVolGroup<\/p>\n<p>PV \u5927\u5c0f 200.00 GiB \/ \u4e0d\u53ef\u7528 4.00 MiB<\/p>\n<p>\u53ef\u5206\u914d yes<\/p>\n<p>PE \u5927\u5c0f 4.00 MiB<\/p>\n<p>\u603b PE 51199<\/p>\n<p>\u7a7a\u95f2 PE 38395<\/p>\n<p>\u5df2\u5206\u914d PE 12804<\/p>\n<p>PV UUID kRUOyU-0ib4-ujPh-kAJP-eeQv-ztRL-4EkaDQ<\/p>\n<p>&#8212; \u7269\u7406\u6bb5 &#8212;<\/p>\n<p>\u7269\u7406\u6269\u5c55 0 \u5230 0: \u903b\u8f91\u5377 \/dev\/LVMVolGroup\/db_rmeta_0 \u903b\u8f91\u6269\u5c55 0 \u5230 0<\/p>\n<p>\u7269\u7406\u6269\u5c55 1 \u5230 5120: \u903b\u8f91\u5377 \/dev\/LVMVolGroup\/db_rimage_0 \u903b\u8f91\u6269\u5c55 0 \u5230 5119<\/p>\n<p>. . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u7ba1\u7406\u65f6\uff0c\u8fd9\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u786e\u5b9a\u54ea\u4e9b\u6570\u636e\u5b58\u50a8\u5728\u54ea\u4e2a\u7269\u7406\u78c1\u76d8\u4e0a\u3002<\/p>\n<h3>\u663e\u793a\u5377\u7ec4\u4fe1\u606f<\/h3>\n<p>LVM\u540c\u6837\u4e5f\u6709\u8bb8\u591a\u5de5\u5177\u53ef\u4ee5\u5c55\u793a\u5173\u4e8e\u5377\u7ec4\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528<code>vgscan<\/code>\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u626b\u63cf\u7cfb\u7edf\u4ee5\u67e5\u627e\u53ef\u7528\u7684\u5377\u7ec4\u3002\u5f53\u9700\u8981\u65f6\uff0c\u5b83\u8fd8\u4f1a\u91cd\u65b0\u5efa\u7acb\u7f13\u5b58\u6587\u4ef6\u3002\u5728\u5c06\u5377\u7ec4\u5bfc\u5165\u65b0\u7cfb\u7edf\u65f6\uff0c\u4f7f\u7528\u8be5\u547d\u4ee4\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgscan<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b63\u5728\u8bfb\u53d6\u6240\u6709\u7269\u7406\u5377\u3002\u8fd9\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4&#8230;<\/p>\n<p>\u627e\u5230\u5377\u7ec4 &#8220;LVMVolGroup&#8221; \u4f7f\u7528\u5143\u6570\u636e\u7c7b\u578b lvm2<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\u4fe1\u606f\u5e76\u4e0d\u591a\uff0c\u4f46\u5b83\u5e94\u8be5\u80fd\u591f\u627e\u51fa\u7cfb\u7edf\u4e0a\u7684\u6bcf\u4e2a\u53ef\u7528\u5377\u7ec4\u3002\u8981\u663e\u793a\u66f4\u591a\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>vgs<\/code> \u548c <code>vgdisplay<\/code> \u547d\u4ee4\u3002<\/p>\n<p>\u548c\u5176\u7269\u7406\u5bb9\u91cf\u5bf9\u5e94\uff0c<code>vgs<\/code>\u547d\u4ee4\u540c\u6837\u7075\u6d3b\u591a\u7528\uff0c\u53ef\u4ee5\u4ee5\u591a\u79cd\u683c\u5f0f\u663e\u793a\u5927\u91cf\u4fe1\u606f\u3002\u7531\u4e8e\u5176\u8f93\u51fa\u53ef\u4ee5\u8fdb\u884c\u64cd\u4f5c\uff0c\u56e0\u6b64\u5728\u9700\u8981\u811a\u672c\u6216\u81ea\u52a8\u5316\u65f6\u7ecf\u5e38\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u4e00\u4e9b\u6709\u7528\u7684\u8f93\u51fa\u4fee\u6539\u5305\u62ec\u663e\u793a\u7269\u7406\u8bbe\u5907\u548c\u903b\u8f91\u5377\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgs <span class=\"token parameter variable\">-o<\/span> +devices,lv_path<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>VG #PV #LV #SN Attr VSize VFree Devices Path<\/p>\n<p>LVMVolGroup 2 4 0 wz&#8211;n- 299.99g 10.00g \/dev\/sda(0) \/dev\/LVMVolGroup\/projects<\/p>\n<p>LVMVolGroup 2 4 0 wz&#8211;n- 299.99g 10.00g \/dev\/sda(2560) \/dev\/LVMVolGroup\/www<\/p>\n<p>LVMVolGroup 2 4 0 wz&#8211;n- 299.99g 10.00g \/dev\/sda(3840) \/dev\/LVMVolGroup\/db<\/p>\n<p>LVMVolGroup 2 4 0 wz&#8211;n- 299.99g 10.00g \/dev\/sda(8960) \/dev\/LVMVolGroup\/workspace<\/p>\n<p>LVMVolGroup 2 4 0 wz&#8211;n- 299.99g 10.00g \/dev\/sdb(0) \/dev\/LVMVolGroup\/workspace<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u7c7b\u4f3c\u5730\uff0c\u5982\u679c\u9700\u8981\u66f4\u5197\u957f\u6613\u8bfb\u7684\u8f93\u51fa\uff0c\u8bf7\u4f7f\u7528<code>vgdisplay<\/code>\u547d\u4ee4\u3002\u6dfb\u52a0<code>-v<\/code>\u6807\u5fd7\u53ef\u4ee5\u63d0\u4f9b\u6709\u5173\u6784\u5efa\u5377\u7ec4\u7684\u7269\u7406\u5377\u548c\u4f7f\u7528\u5377\u7ec4\u521b\u5efa\u7684\u903b\u8f91\u5377\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgdisplay <span class=\"token parameter variable\">-v<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b63\u5728\u4f7f\u7528\u547d\u4ee4\u884c\u4e0a\u7684\u5377\u7ec4\u3002<\/p>\n<p>&#8212; \u5377\u7ec4 &#8212;<\/p>\n<p>VG \u540d\u79f0 LVMVolGroup<\/p>\n<p>. . .<\/p>\n<p>&#8212; \u903b\u8f91\u5377 &#8212;<\/p>\n<p>LV \u8def\u5f84 \/dev\/LVMVolGroup\/projects<\/p>\n<p>. . .<\/p>\n<p>&#8212; \u903b\u8f91\u5377 &#8212;<\/p>\n<p>LV \u8def\u5f84 \/dev\/LVMVolGroup\/www<\/p>\n<p>. . .<\/p>\n<p>&#8212; \u903b\u8f91\u5377 &#8212;<\/p>\n<p>LV \u8def\u5f84 \/dev\/LVMVolGroup\/db<\/p>\n<p>. . .<\/p>\n<p>&#8212; \u903b\u8f91\u5377 &#8212;<\/p>\n<p>LV \u8def\u5f84 \/dev\/LVMVolGroup\/workspace<\/p>\n<p>. . .<\/p>\n<p>&#8212; \u7269\u7406\u5377 &#8212;<\/p>\n<p>PV \u540d\u79f0 \/dev\/sda<\/p>\n<p>. . .<\/p>\n<p>PV \u540d\u79f0 \/dev\/sdb<\/p>\n<p>. . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p><code>vgdisplay<\/code>\u547d\u4ee4\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u5c06LVM\u5806\u6808\u4e2d\u8bb8\u591a\u4e0d\u540c\u5143\u7d20\u7684\u4fe1\u606f\u8054\u7cfb\u5728\u4e00\u8d77\u3002<\/p>\n<h3>\u663e\u793a\u903b\u8f91\u5377\u4fe1\u606f<\/h3>\n<p>\u4e3a\u4e86\u663e\u793a\u6709\u5173\u903b\u8f91\u5377\u7684\u4fe1\u606f\uff0cLVM\u6709\u4e00\u7ec4\u76f8\u5173\u7684\u5de5\u5177\u3002<\/p>\n<p>\u4e0e\u5176\u4ed6LVM\u7ec4\u4ef6\u4e00\u6837\uff0c<code>lvscan<\/code>\u9009\u9879\u4f1a\u626b\u63cf\u7cfb\u7edf\u5e76\u8f93\u51fa\u6709\u5173\u627e\u5230\u7684\u903b\u8f91\u5377\u7684\u6700\u5c11\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvscan<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>ACTIVE &#8216;\/dev\/LVMVolGroup\/projects&#8217; [10.00 GiB] inherit<\/p>\n<p>ACTIVE &#8216;\/dev\/LVMVolGroup\/www&#8217; [5.00 GiB] inherit<\/p>\n<p>ACTIVE &#8216;\/dev\/LVMVolGroup\/db&#8217; [20.00 GiB] inherit<\/p>\n<p>ACTIVE &#8216;\/dev\/LVMVolGroup\/workspace&#8217; [254.99 GiB] inherit<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u4e3a\u4e86\u83b7\u53d6\u66f4\u5b8c\u6574\u7684\u4fe1\u606f\uff0c<code>lvs<\/code>\u547d\u4ee4\u5728\u811a\u672c\u4e2d\u5177\u6709\u7075\u6d3b\u4e14\u5f3a\u5927\u7684\u4f7f\u7528\u80fd\u529b\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvs<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert<\/p>\n<p>db LVMVolGroup -wi-ao&#8212;- 20.00g<\/p>\n<p>projects LVMVolGroup -wi-ao&#8212;- 10.00g<\/p>\n<p>workspace LVMVolGroup -wi-ao&#8212;- 254.99g<\/p>\n<p>www LVMVolGroup -wi-ao&#8212;- 5.00g<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u8981\u627e\u5230\u6761\u5e26\u7684\u6570\u91cf\u548c\u903b\u8f91\u5377\u7c7b\u578b\uff0c\u8bf7\u4f7f\u7528 <code>--segments<\/code> \u9009\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvs <span class=\"token parameter variable\">&#8211;segments<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>LV VG Attr #Str Type SSize db LVMVolGroup rwi-a-r--- 2 raid1 20.00g mirrored_vol LVMVolGroup rwi-a-r--- 3 raid1 10.00g test LVMVolGroup rwi-a-r--- 3 raid5 10.00g test2 LVMVolGroup -wi-a----- 2 striped 10.00g test3 LVMVolGroup rwi-a-r--- 2 raid1 10.00g<\/code><\/pre>\n<p><code>lvdisplay<\/code> \u547d\u4ee4\u751f\u6210\u7684\u8f93\u51fa\u662f\u6700\u6613\u8bfb\u7684\u3002<\/p>\n<p>\u5f53\u6dfb\u52a0 <code>-m<\/code> \u6807\u5fd7\u65f6\uff0c\u8be5\u5de5\u5177\u8fd8\u4f1a\u663e\u793a\u6709\u5173\u903b\u8f91\u5377\u5982\u4f55\u62c6\u5206\u548c\u5206\u5e03\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvdisplay <span class=\"token parameter variable\">-m<\/span><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>--- Logical volume ---\r\nLV Path                \/dev\/LVMVolGroup\/projects\r\nLV Name                projects\r\nVG Name                LVMVolGroup\r\nLV UUID                IN4GZm-ePJU-zAAn-DRO3-1f2w-qSN8-ahisNK\r\nLV Write Access        read\/write\r\nLV Creation host, time lvmtest, 2016-09-09 21:00:03 +0000\r\nLV Status              available\r\n# open                 1\r\nLV Size                10.00 GiB\r\nCurrent LE             2560\r\nSegments               1\r\nAllocation             inherit\r\nRead ahead sectors     auto\r\n- currently set to     256\r\nBlock device           252:0\r\n\r\n--- Segments ---\r\nLogical extents        0 to 2559:\r\n  Type                 linear\r\n  Physical volume      \/dev\/sda\r\n  Physical extents     0 to 2559\r\n. . .<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>\/dev\/LVMVolGroup\/projects<\/code> \u903b\u8f91\u5377\u5b8c\u5168\u5305\u542b\u5728 <code>\/dev\/sda<\/code> \u7269\u7406\u5377\u5185\u3002\u5982\u679c\u60a8\u9700\u8981\u79fb\u9664\u5e95\u5c42\u8bbe\u5907\u5e76\u5e0c\u671b\u5c06\u6570\u636e\u79fb\u52a8\u5230\u7279\u5b9a\u4f4d\u7f6e\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5c06\u4f1a\u5f88\u6709\u7528\u3002<\/p>\n<h2>\u6b65\u9aa42 &#8211; \u521b\u5efa\u6216\u6269\u5c55LVM\u7ec4\u4ef6<\/h2>\n<p>\u672c\u90e8\u5206\u8ba8\u8bba\u4e86\u5982\u4f55\u521b\u5efa\u548c\u6269\u5c55\u7269\u7406\u5377\u3001\u5377\u7ec4\u548c\u903b\u8f91\u5377\u3002<\/p>\n<h3>\u4ece\u539f\u59cb\u5b58\u50a8\u8bbe\u5907\u521b\u5efa\u7269\u7406\u5377<\/h3>\n<p>\u8981\u4f7f\u7528LVM\u7ba1\u7406\u5b58\u50a8\u8bbe\u5907\uff0c\u9996\u5148\u5fc5\u987b\u5c06\u5176\u6807\u8bb0\u4e3a\u7269\u7406\u5377\u3002\u8fd9\u5c06\u6307\u5b9aLVM\u53ef\u4ee5\u5728\u5377\u7ec4\u5185\u4f7f\u7528\u8be5\u8bbe\u5907\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4f7f\u7528 <code>lvmdiskscan<\/code> \u547d\u4ee4\u67e5\u627eLVM\u53ef\u4ee5\u8bbf\u95ee\u548c\u4f7f\u7528\u7684\u6240\u6709\u5757\u8bbe\u5907\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvmdiskscan<\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><mark>\/dev\/sda [ 200.00 GiB] <\/mark>\r\n<mark>\/dev\/sdb [ 100.00 GiB] <\/mark>\r\n<mark>2 disks<\/mark>\r\n2 partitions\r\n0 LVM physical volume whole disks\r\n0 LVM physical volumes<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u8bf7\u6ce8\u610f\u9002\u5408\u8f6c\u6362\u4e3aLVM\u7269\u7406\u5377\u7684\u8bbe\u5907\u3002<\/p>\n<div class=\"post-conf-warning\">\n<p class=\"post-conf-desc\">\u8b66\u544a\uff1a\u8bf7\u786e\u4fdd\u60a8\u4ed4\u7ec6\u68c0\u67e5\u60a8\u6253\u7b97\u4e0eLVM\u4e00\u8d77\u4f7f\u7528\u7684\u8bbe\u5907\u4e0a\u6ca1\u6709\u4efb\u4f55\u91cd\u8981\u6570\u636e\u3002\u4f7f\u7528\u8fd9\u4e9b\u8bbe\u5907\u5728LVM\u4e2d\u5c06\u8986\u76d6\u5f53\u524d\u5185\u5bb9\u3002\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u4e0a\u6709\u91cd\u8981\u6570\u636e\uff0c\u8bf7\u5728\u7ee7\u7eed\u4e4b\u524d\u5907\u4efd\u3002<\/p>\n<\/div>\n<p>\u4f7f\u7528 <code>pvcreate<\/code> \u5c06\u5b58\u50a8\u8bbe\u5907\u6807\u8bb0\u4e3aLVM\u7269\u7406\u5377\u3002\u60a8\u53ef\u4ee5\u4e00\u6b21\u4f20\u5165\u591a\u4e2a\u8bbe\u5907\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> pvcreate \/dev\/<mark>sda<\/mark> \/dev\/<mark>sdb<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8be5\u547d\u4ee4\u5c06\u5728\u6240\u6709\u76ee\u6807\u8bbe\u5907\u4e0a\u5199\u5165\u4e00\u4e2aLVM\u5934\uff0c\u5c06\u5b83\u4eec\u6807\u8bb0\u4e3aLVM\u7269\u7406\u5377\u3002<\/p>\n<h3>\u4ece\u7269\u7406\u5377\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5377\u7ec4<\/h3>\n<p>\u8981\u4eceLVM\u7269\u7406\u5377\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5377\u7ec4\uff0c\u8bf7\u4f7f\u7528 <code>vgcreate<\/code> \u547d\u4ee4\u3002\u60a8\u9700\u8981\u63d0\u4f9b\u5377\u7ec4\u540d\u79f0\uff0c\u7136\u540e\u81f3\u5c11\u4e00\u4e2aLVM\u7269\u7406\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgcreate <mark>volume_group_name<\/mark> \/dev\/<mark>sda<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u4f7f\u7528\u4e00\u4e2a\u521d\u59cb\u7684\u7269\u7406\u5377\u521b\u5efa\u4e86\u60a8\u7684\u5377\u7ec4\u3002\u5982\u679c\u60a8\u613f\u610f\uff0c\u60a8\u53ef\u4ee5\u5728\u521b\u5efa\u65f6\u4f20\u5165\u591a\u4e2a\u7269\u7406\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgcreate <mark>volume_group_name<\/mark> \/dev\/<mark>sda<\/mark> \/dev\/<mark>sdb<\/mark> \/dev\/<mark>sdc<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6bcf\u53f0\u670d\u52a1\u5668\u53ea\u9700\u8981\u4e00\u4e2a\u5377\u7ec4\u3002\u6240\u6709\u7531LVM\u7ba1\u7406\u7684\u5b58\u50a8\u90fd\u53ef\u4ee5\u52a0\u5165\u5230\u8be5\u6c60\u4e2d\uff0c\u7136\u540e\u4ece\u4e2d\u5206\u914d\u903b\u8f91\u5377\u3002<\/p>\n<p>\u5982\u679c\u60a8\u89c9\u5f97\u4e0d\u540c\u5377\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u6269\u5c55\u5927\u5c0f\uff0c\u90a3\u4e48\u60a8\u53ef\u80fd\u5e0c\u671b\u62e5\u6709\u591a\u4e2a\u5377\u7ec4\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u60a8\u4e0d\u9700\u8981\u8bbe\u7f6e\u6269\u5c55\u5927\u5c0f\uff08\u9ed8\u8ba4\u7684 4M \u5927\u5c0f\u5bf9\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u5df2\u8db3\u591f\uff09\uff0c\u4f46\u5982\u679c\u9700\u8981\u7684\u8bdd\uff0c\u60a8\u53ef\u4ee5\u5728\u5377\u7ec4\u521b\u5efa\u65f6\u901a\u8fc7\u4f20\u9012 <code>-s<\/code> \u9009\u9879\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\">sudo vgcreate <span class=\"token parameter variable\">-s<\/span> <mark>8M<\/mark> <mark>volume_group_name<\/mark> \/dev\/<mark>sda<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5377\u7ec4\uff0c\u5176\u6269\u5c55\u5927\u5c0f\u4e3a8\u5146\u5b57\u8282\u3002<\/p>\n<h3>\u5728\u73b0\u6709\u7684\u5377\u7ec4\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u7269\u7406\u5377<\/h3>\n<p>\u4f7f\u7528 <code>vgextend<\/code> \u547d\u4ee4\u901a\u8fc7\u6dfb\u52a0\u9644\u52a0\u7269\u7406\u5377\u6765\u6269\u5c55\u5377\u7ec4\u3002\u6b64\u547d\u4ee4\u63a5\u53d7\u5377\u7ec4\u548c\u8981\u6dfb\u52a0\u7684\u7269\u7406\u5377\u4f5c\u4e3a\u53c2\u6570\u3002\u5982\u679c\u60a8\u613f\u610f\uff0c\u53ef\u4ee5\u4e00\u6b21\u4f20\u5165\u591a\u4e2a\u8bbe\u5907\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> vgextend <mark>volume_group_name<\/mark> \/dev\/<mark>sdb<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7269\u7406\u5377\u5c06\u88ab\u6dfb\u52a0\u5230\u5377\u7ec4\u4e2d\uff0c\u6269\u5927\u5b58\u50a8\u6c60\u7684\u53ef\u7528\u5bb9\u91cf\u3002<\/p>\n<h3>\u901a\u8fc7\u6307\u5b9a\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u903b\u8f91\u5377<\/h3>\n<p>\u4f7f\u7528 <code>lvcreate<\/code> \u547d\u4ee4\u4ece\u5377\u7ec4\u5b58\u50a8\u6c60\u521b\u5efa\u903b\u8f91\u5377\u3002\u4f7f\u7528 <code>-L<\/code> \u9009\u9879\u6307\u5b9a\u903b\u8f91\u5377\u7684\u5927\u5c0f\uff0c\u7136\u540e\u4f7f\u7528 <code>-n<\/code> \u9009\u9879\u6307\u5b9a\u4e00\u4e2a\u540d\u79f0\uff0c\u5e76\u4f20\u5165\u5377\u7ec4\u4ee5\u5206\u914d\u7a7a\u95f4\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u4ece <code>LVMVolGroup<\/code> \u5377\u7ec4\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>test<\/code> \u7684 10G \u903b\u8f91\u5377\uff0c\u53ef\u4ee5\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> lvcreate <span class=\"token parameter variable\">-L<\/span> 10G <span class=\"token parameter variable\">-n<\/span> <span class=\"token builtin class-name\">test<\/span> LVMVolGroup<\/li>\r\n<\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5982\u679c\u5377\u7ec4\u6709\u8db3\u591f\u7684\u7a7a\u95f2\u7a7a\u95f4\u4ee5\u5bb9\u7eb3\u5377\u5bb9\u91cf\uff0c\u5c31\u4f1a\u521b\u5efa\u65b0\u7684\u903b\u8f91\u5377\u3002<\/p>\n<h3>\u5229\u7528\u6240\u6709\u5269\u4f59\u7684\u7a7a\u95f2\u7a7a\u95f4\u521b\u5efa\u4e00\u4e2a\u903b\u8f91\u5377<\/h3>\n<h3>\u521b\u5efa\u4f7f\u7528\u5377\u7ec4\u5269\u4f59\u7a7a\u95f4\u7684\u903b\u8f91\u5377<\/h3>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u4f7f\u7528\u5377\u7ec4\u5185\u5269\u4f59\u7684\u53ef\u7528\u7a7a\u95f4\u521b\u5efa\u4e00\u4e2a\u903b\u8f91\u5377\uff0c\u53ef\u4ee5\u4f7f\u7528<code>lvcreate<\/code>\u547d\u4ee4\uff0c\u5e76\u4f7f\u7528<code>-n<\/code>\u9009\u9879\u4e3a\u903b\u8f91\u5377\u547d\u540d\u3002\u4e0e\u6307\u5b9a\u5177\u4f53\u5927\u5c0f\u4e0d\u540c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>-l 100%FREE<\/code>\u9009\u9879\uff0c\u8fd9\u5c06\u5229\u7528\u5377\u7ec4\u5185\u6240\u6709\u5269\u4f59\u7684\u53ef\u5206\u914d\u7a7a\u95f4\u6765\u521b\u5efa\u903b\u8f91\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvcreate <span class=\"token parameter variable\">-l<\/span> <span class=\"token number\">100<\/span>%FREE <span class=\"token parameter variable\">-n<\/span> test2 LVMVolGroup<\/code><\/pre>\n<p>\u8fd9\u6761\u547d\u4ee4\u4f1a\u5145\u5206\u5229\u7528\u903b\u8f91\u5377\u7ec4\u4e2d\u6240\u6709\u5269\u4f59\u7684\u7a7a\u95f4\u3002<\/p>\n<h3>\u521b\u5efa\u5e26\u6709\u9ad8\u7ea7\u9009\u9879\u7684\u903b\u8f91\u5377<\/h3>\n<p>\u521b\u5efa\u903b\u8f91\u5377\u65f6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u9ad8\u7ea7\u9009\u9879\u6765\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f60\u53ef\u80fd\u9700\u8981\u8003\u8651\u7684\u5e38\u7528\u9009\u9879\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>--type<\/code>: \u6b64\u9009\u9879\u6307\u5b9a\u903b\u8f91\u5377\u7684\u7c7b\u578b\uff0c\u5b83\u51b3\u5b9a\u4e86\u903b\u8f91\u5377\u7684\u5206\u914d\u65b9\u5f0f\u3002\u5982\u679c\u5e95\u5c42\u7269\u7406\u5377\u4e0d\u8db3\u4ee5\u6b63\u786e\u521b\u5efa\u6240\u9009\u62d3\u6251\uff0c\u67d0\u4e9b\u53ef\u7528\u7c7b\u578b\u5c06\u65e0\u6cd5\u4f7f\u7528\u3002\u4e00\u4e9b\u6700\u5e38\u89c1\u7684\u7c7b\u578b\u5305\u62ec\uff1a\n<ul>\n<li><code>linear<\/code>: \u9ed8\u8ba4\u7c7b\u578b\u3002\u5982\u679c\u4f7f\u7528\u591a\u4e2a\u5e95\u5c42\u7269\u7406\u8bbe\u5907\uff0c\u5b83\u4eec\u5c06\u4e00\u4e2a\u63a5\u4e00\u4e2a\u5730\u9644\u52a0\u5728\u4e00\u8d77\u3002<\/li>\n<li><code>striped<\/code>: \u7c7b\u4f3c\u4e8eRAID 0\uff0c\u6761\u5e26\u5316\u62d3\u6251\u5c06\u6570\u636e\u5206\u6210\u5757\uff0c\u5e76\u4ee5\u8f6e\u8be2\u65b9\u5f0f\u5206\u6563\u5230\u5404\u4e2a\u5e95\u5c42\u7269\u7406\u5377\u4e2d\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u66f4\u9ad8\u7684\u6570\u636e\u8106\u5f31\u6027\u3002\u6b64\u7c7b\u578b\u9700\u8981<code>-i<\/code>\u9009\u9879\u548c\u81f3\u5c11\u4e24\u4e2a\u7269\u7406\u5377\u3002<\/li>\n<li><code>raid1<\/code>: \u521b\u5efa\u4e00\u4e2a\u955c\u50cfRAID 1\u5377\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u955c\u50cf\u5c06\u6709\u4e24\u4e2a\u526f\u672c\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7<code>-m<\/code>\u9009\u9879\u6307\u5b9a\u66f4\u591a\u3002\u6b64\u7c7b\u578b\u9700\u8981\u81f3\u5c11\u4e24\u4e2a\u7269\u7406\u5377\u3002<\/li>\n<li><code>raid5<\/code>: \u521b\u5efa\u4e00\u4e2aRAID 5\u5377\u3002\u6b64\u7c7b\u578b\u9700\u8981\u81f3\u5c11\u4e09\u4e2a\u7269\u7406\u5377\u3002<\/li>\n<li><code>raid6<\/code>: \u521b\u5efa\u4e00\u4e2aRAID 6\u5377\u3002\u6b64\u7c7b\u578b\u9700\u8981\u81f3\u5c11\u56db\u4e2a\u7269\u7406\u5377\u3002<\/li>\n<\/ul>\n<\/li>\n<li><code>-m<\/code>: \u6307\u5b9a\u8981\u4fdd\u7559\u7684\u989d\u5916\u6570\u636e\u526f\u672c\u6570\u91cf\u3002\u503c\u4e3a\u201c1\u201d\u8868\u793a\u7ef4\u62a4\u4e00\u4e2a\u989d\u5916\u526f\u672c\uff0c\u603b\u5171\u6709\u4e24\u5957\u6570\u636e\u3002<\/li>\n<li><code>-i<\/code>: \u6307\u5b9a\u5e94\u7ef4\u62a4\u7684\u6761\u5e26\u6570\u91cf\u3002\u8fd9\u662f<code>striped<\/code>\u7c7b\u578b\u6240\u5fc5\u9700\u7684\uff0c\u5e76\u4e14\u53ef\u4ee5\u4fee\u6539\u5176\u4ed6\u4e00\u4e9bRAID\u9009\u9879\u7684\u9ed8\u8ba4\u884c\u4e3a\u3002<\/li>\n<li><code>-s<\/code>: \u6307\u5b9a\u6b64\u64cd\u4f5c\u5e94\u4ece\u73b0\u6709\u903b\u8f91\u5377\u521b\u5efa\u5feb\u7167\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u72ec\u7acb\u903b\u8f91\u5377\u3002<\/li>\n<\/ul>\n<h4>\u521b\u5efa\u6761\u5e26\u5316\u903b\u8f91\u5377<\/h4>\n<p>\u4e3a\u4e86\u6f14\u793a\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u6761\u5e26\u5316\u903b\u8f91\u5377\u3002\u5bf9\u4e8e\u6b64\u65b9\u6cd5\uff0c\u4f60\u5fc5\u987b\u6307\u5b9a\u81f3\u5c11\u4e24\u4e2a\u6761\u5e26\u3002\u8fd9\u79cd\u62d3\u6251\u548c\u6761\u5e26\u8ba1\u6570\u9700\u8981\u81f3\u5c11\u4e24\u4e2a\u5177\u5907\u53ef\u7528\u5bb9\u91cf\u7684\u7269\u7406\u78c1\u76d8\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvcreate <span class=\"token parameter variable\">--type<\/span> striped <span class=\"token parameter variable\">-i<\/span> <mark><span class=\"token number\">2<\/span><\/mark> <span class=\"token parameter variable\">-L<\/span> 10G <span class=\"token parameter variable\">-n<\/span> <mark>striped_vol<\/mark> <mark>LVMVolGroup<\/mark><\/code><\/pre>\n<h4>\u521b\u5efa\u955c\u50cf\u903b\u8f91\u5377<\/h4>\n<p>\u8981\u521b\u5efa\u955c\u50cf\u5377\uff0c\u8bf7\u4f7f\u7528<code>raid1<\/code>\u7c7b\u578b\u3002\u5982\u679c\u4f60\u9700\u8981\u8d85\u8fc7\u4e24\u4e2a\u6570\u636e\u96c6\uff0c\u8bf7\u4f7f\u7528<code>-m<\/code>\u9009\u9879\u3002\u8fd9\u4e2a\u4f8b\u5b50\u4f7f\u7528<code>-m 2<\/code>\u6765\u521b\u5efa\u603b\u5171\u4e09\u4e2a\u6570\u636e\u96c6\u3002LVM\u5c06\u5176\u89c6\u4e3a\u4e00\u4e2a\u539f\u59cb\u6570\u636e\u96c6\u548c\u4e24\u4e2a\u955c\u50cf\u3002\u4f60\u9700\u8981\u81f3\u5c11\u4e09\u4e2a\u7269\u7406\u5377\u624d\u80fd\u6210\u529f\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvcreate <span class=\"token parameter variable\">--type<\/span> <mark>raid1<\/mark> <span class=\"token parameter variable\">-m<\/span> <mark><span class=\"token number\">2<\/span><\/mark> <span class=\"token parameter variable\">-L<\/span> 20G <span class=\"token parameter variable\">-n<\/span> <mark>mirrored_vol<\/mark> <mark>LVMVolGroup<\/mark><\/code><\/pre>\n<h4>\u521b\u5efa\u903b\u8f91\u5377\u5feb\u7167<\/h4>\n<p>\u521b\u5efa\u5377\u5feb\u7167\u65f6\uff0c\u4f60\u5fc5\u987b\u63d0\u4f9b\u8981\u5feb\u7167\u7684\u539f\u59cb\u903b\u8f91\u5377\uff0c\u800c\u4e0d\u662f\u5377\u7ec4\u3002\u5feb\u7167\u5728\u6700\u521d\u4e0d\u4f1a\u5360\u7528\u592a\u591a\u7a7a\u95f4\uff0c\u4f46\u968f\u7740\u5bf9\u88ab\u8ddf\u8e2a\u7684\u903b\u8f91\u5377\u7684\u66f4\u6539\uff0c\u5176\u5927\u5c0f\u4f1a\u589e\u957f\u3002\u6b64\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u7684\u5927\u5c0f\u662f\u5feb\u7167\u7684\u6700\u5927\u5927\u5c0f\u3002\u8d85\u8fc7\u6b64\u5927\u5c0f\u7684\u5feb\u7167\u5c06\u65e0\u6cd5\u4f7f\u7528\uff0c\u4f46\u63a5\u8fd1\u5176\u5bb9\u91cf\u7684\u5feb\u7167\u53ef\u4ee5\u6269\u5c55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> lvcreate <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-L<\/span> 10G <span class=\"token parameter variable\">-n<\/span> <mark>snap_test<\/mark> <mark>LVMVolGroup<\/mark>\/<mark>test<\/mark><\/code><\/pre>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\"><strong>\u6ce8\u610f\uff1a<\/strong>\u8981\u5c06\u903b\u8f91\u5377\u6062\u590d\u5230\u5feb\u7167\u7684\u65f6\u95f4\u70b9\uff0c\u8bf7\u4f7f\u7528<code>lvconvert --merge<\/code>\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code>sudo lvconvert --merge LVMVolGroup\/snap_test<\/code><\/pre>\n<p>\u8fd9\u5c06\u4f7f\u5feb\u7167\u7684\u539f\u59cb\u72b6\u6001\u6062\u590d\u5230\u521b\u5efa\u5feb\u7167\u65f6\u7684\u72b6\u6001\u3002LVM\u63d0\u4f9b\u4e86\u8bb8\u591a\u9009\u9879\uff0c\u53ef\u4ee5\u663e\u8457\u6539\u53d8\u903b\u8f91\u5377\u7684\u529f\u80fd\u3002<\/p>\n<\/div>\n<h3>\u6269\u5927\u903b\u8f91\u5377\u7684\u5927\u5c0f<\/h3>\n<h2>\u52a8\u6001\u8c03\u6574LVM\u903b\u8f91\u5377\u5927\u5c0f\uff1a\u6269\u5c55\u4e0e\u6536\u7f29\u6307\u5357<\/h2>\n<p>LVM\uff08\u903b\u8f91\u5377\u7ba1\u7406\uff09\u7684\u4e00\u5927\u4f18\u52bf\u5728\u4e8e\u5176\u5728\u63d0\u4f9b\u903b\u8f91\u5377\u914d\u989d\u65b9\u9762\u7684\u7075\u6d3b\u6027\u3002\u60a8\u53ef\u4ee5\u5728\u4e0d\u505c\u673a\u7684\u60c5\u51b5\u4e0b\u52a8\u6001\u8c03\u6574\u5377\u7684\u6570\u91cf\u6216\u5927\u5c0f\uff0c\u8fd9\u5bf9\u4e8e\u670d\u52a1\u5668\u7ba1\u7406\u548c\u5b58\u50a8\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u6269\u5c55LVM\u903b\u8f91\u5377<\/h3>\n<p>\u8981\u589e\u52a0\u73b0\u6709\u903b\u8f91\u5377\u7684\u5927\u5c0f\uff0c\u8bf7\u4f7f\u7528<code>lvresize<\/code>\u547d\u4ee4\u3002\u901a\u8fc7<code>-L<\/code>\u6807\u5fd7\u6307\u5b9a\u65b0\u7684\u5927\u5c0f\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u76f8\u5bf9\u5927\u5c0f\uff0c\u4f8b\u5982\u6dfb\u52a0<code>+5G<\/code>\uff0cLVM\u5c06\u6309\u6307\u5b9a\u6570\u91cf\u589e\u52a0\u903b\u8f91\u5377\u7684\u5927\u5c0f\u3002\u4e3a\u4e86\u81ea\u52a8\u8c03\u6574\u903b\u8f91\u5377\u4e0a\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u5927\u5c0f\uff0c\u8bf7\u540c\u65f6\u4f20\u5165<code>--resizefs<\/code>\u6807\u5fd7\u3002<\/p>\n<p>\u4e3a\u6b63\u786e\u6307\u5b9a\u8981\u6269\u5c55\u7684\u903b\u8f91\u5377\uff0c\u60a8\u9700\u8981\u63d0\u4f9b\u5377\u7ec4\u540d\u79f0\uff0c\u540e\u8ddf\u4e00\u4e2a\u659c\u6760\uff0c\u518d\u8ddf\u903b\u8f91\u5377\u540d\u79f0\uff0c\u4f8b\u5982<code>\u5377\u7ec4\u540d\/\u903b\u8f91\u5377\u540d<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo lvresize -L +5G --resizefs LVMVolGroup\/test<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>LVMVolGroup<\/code>\u5377\u7ec4\u4e0a\u7684<code>test<\/code>\u903b\u8f91\u5377\u7684\u903b\u8f91\u5bb9\u91cf\u548c\u6587\u4ef6\u7cfb\u7edf\u90fd\u5c06\u589e\u52a05GB\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u624b\u52a8\u5904\u7406\u6587\u4ef6\u7cfb\u7edf\u7684\u6269\u5c55\uff0c\u8bf7\u79fb\u9664<code>--resizefs<\/code>\u9009\u9879\uff0c\u7136\u540e\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u672c\u8eab\u7684\u6269\u5c55\u5de5\u5177\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8eExt4\u6587\u4ef6\u7cfb\u7edf\uff0c\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo lvresize -L +5G LVMVolGroup\/test\r\nsudo resize2fs \/dev\/LVMVolGroup\/test<\/code><\/pre>\n<p>\u8fd9\u5c06\u8fbe\u5230\u76f8\u540c\u7684\u6269\u5c55\u6548\u679c\u3002<\/p>\n<h3>\u6536\u7f29LVM\u903b\u8f91\u5377\u4e0e\u5220\u9664LVM\u7ec4\u4ef6<\/h3>\n<p>\u7531\u4e8e\u5bb9\u91cf\u51cf\u5c11\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u56e0\u6b64\u7f29\u5c0f\u53ef\u7528\u5bb9\u91cf\u7684\u7a0b\u5e8f\uff08\u65e0\u8bba\u662f\u901a\u8fc7\u7f29\u5c0f\u7ec4\u4ef6\u5927\u5c0f\u8fd8\u662f\u5220\u9664\u7ec4\u4ef6\uff09\u901a\u5e38\u6d89\u53ca\u66f4\u4e3a\u590d\u6742\u7684\u64cd\u4f5c\uff0c\u9700\u8981\u683c\u5916\u8c28\u614e\u3002<\/p>\n<h4>\u51cf\u5c0f\u903b\u8f91\u5377\u7684\u5927\u5c0f<\/h4>\n<p>\u5728\u7f29\u5c0f\u903b\u8f91\u5377\u4e4b\u524d\uff0c<strong>\u60a8\u5e94\u8be5\u9996\u5148\u5907\u4efd\u60a8\u7684\u6570\u636e<\/strong>\u3002\u56e0\u4e3a\u8fd9\u4f1a\u51cf\u5c11\u53ef\u7528\u5bb9\u91cf\uff0c\u4efb\u4f55\u9519\u8bef\u90fd\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/p>\n<p>\u51c6\u5907\u5c31\u7eea\u540e\uff0c\u8bf7\u68c0\u67e5\u5f53\u524d\u4f7f\u7528\u4e86\u591a\u5c11\u7a7a\u95f4\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">df -h<\/code><\/pre>\n<p>\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-text\">Filesystem      Size  Used Avail Use% Mounted on\r\n. . .\r\n\/dev\/mapper\/LVMVolGroup-test  4.8G  521M  4.1G   12% \/mnt\/test<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u76ee\u524d\u5df2\u4f7f\u7528\u4e86\u8d85\u8fc7521MB\u7684\u7a7a\u95f4\u3002\u5229\u7528\u6b64\u4fe1\u606f\u6765\u5e2e\u52a9\u60a8\u4f30\u7b97\u53ef\u4ee5\u7f29\u5c0f\u5377\u7684\u5c3a\u5bf8\u3002<\/p>\n<p>\u4e0e\u6269\u5bb9\u4e0d\u540c\uff0c\u7f29\u51cf\u6587\u4ef6\u7cfb\u7edf\u5e94\u5728<strong>\u5378\u8f7d<\/strong>\u65f6\u8fdb\u884c\u3002\u9996\u5148\uff0c\u786e\u4fdd\u60a8\u4f4d\u4e8e\u6839\u76ee\u5f55\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">cd ~<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5378\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo umount \/dev\/LVMVolGroup\/test<\/code><\/pre>\n<p>\u5378\u8f7d\u540e\uff0c\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u4ee5\u786e\u4fdd\u4e00\u5207\u6b63\u5e38\u3002\u4f7f\u7528<code>-t<\/code>\u9009\u9879\u4f20\u5165\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff0c\u4f7f\u7528<code>-f<\/code>\u9009\u9879\u5728\u6587\u4ef6\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\u65f6\u8fdb\u884c\u68c0\u67e5\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo fsck -t ext4 -f \/dev\/LVMVolGroup\/test<\/code><\/pre>\n<p>\u5728\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u7684\u539f\u751f\u5de5\u5177\u6765\u7f29\u5c0f\u6587\u4ef6\u7cfb\u7edf\u7684\u5927\u5c0f\u3002\u5bf9\u4e8eExt4\u6587\u4ef6\u7cfb\u7edf\uff0c\u4f7f\u7528<code>resize2fs<\/code>\u547d\u4ee4\u3002\u5c06\u6587\u4ef6\u7cfb\u7edf\u7684\u6700\u7ec8\u5927\u5c0f\u4f20\u9012\u8fdb\u53bb\u3002<\/p>\n<div class=\"post-conf-warning\">\n<p class=\"post-conf-desc\"><strong>\u8b66\u544a\uff1a<\/strong>\u8fd9\u91cc\u6700\u5b89\u5168\u7684\u9009\u62e9\u662f\u9009\u62e9\u4e00\u4e2a\u6bd4\u60a8\u5f53\u524d\u4f7f\u7528\u7684\u5c3a\u5bf8\u5927\u5f97\u591a\u7684\u6700\u7ec8\u5c3a\u5bf8\u3002\u7ed9\u81ea\u5df1\u4e00\u4e9b\u7f13\u51b2\u7a7a\u95f4\uff0c\u4ee5\u907f\u514d\u6570\u636e\u4e22\u5931\uff0c\u5e76\u786e\u4fdd\u5df2\u5907\u6709\u5907\u4efd\u3002<\/p>\n<\/div>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo resize2fs -p \/dev\/LVMVolGroup\/test 3G<\/code><\/pre>\n<p>\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u901a\u8fc7\u4f7f\u7528<code>lvresize<\/code>\u547d\u4ee4\u7684<code>-L<\/code>\u9009\u9879\u5c06\u903b\u8f91\u5377\u7684\u5927\u5c0f\u8c03\u6574\u4e3a\u76f8\u540c\u5927\u5c0f\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo lvresize -L 3G LVMVolGroup\/test<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u5df2\u505a\u597d\u51c6\u5907\uff0c\u8bf7\u8f93\u5165\u201cy\u201d\u6765\u7ee7\u7eed\u64cd\u4f5c\uff0c\u8fd9\u4f1a\u63d0\u9192\u60a8\u6570\u636e\u4e22\u5931\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<p>\u5728\u903b\u8f91\u5377\u88ab\u51cf\u5c11\u540e\uff0c\u518d\u6b21\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo fsck -t ext4 -f \/dev\/LVMVolGroup\/test<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\u8fd0\u884c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5e73\u5e38\u7684\u6302\u8f7d\u547d\u4ee4\u91cd\u65b0\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo mount \/dev\/LVMVolGroup\/test \/mnt\/test<\/code><\/pre>\n<p>\u60a8\u7684\u903b\u8f91\u5377\u73b0\u5728\u5e94\u8be5\u5df2\u7ecf\u7f29\u5c0f\u5230\u9002\u5f53\u7684\u5c3a\u5bf8\u4e86\u3002<\/p>\n<h4>\u5220\u9664\u4e00\u4e2a\u903b\u8f91\u5377<\/h4>\n<p>\uff08\u6b64\u90e8\u5206\u539f\u6587\u7f3a\u5931\uff0c\u6839\u636e\u6807\u9898\u63a8\u6d4b\u5e94\u5305\u542b\u5220\u9664\u903b\u8f91\u5377\u7684\u6b65\u9aa4\u3002\uff09<\/p>\n<h3>\u79fb\u9664\u903b\u8f91\u5377<\/h3>\n<p>\u5982\u679c\u60a8\u4e0d\u518d\u9700\u8981\u67d0\u4e2a\u903b\u8f91\u5377\uff0c\u53ef\u4ee5\u4f7f\u7528<code>lvremove<\/code>\u547d\u4ee4\u5c06\u5176\u5220\u9664\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5982\u679c\u903b\u8f91\u5377\u5f53\u524d\u5df2\u6302\u8f7d\uff0c\u8bf7\u52a1\u5fc5\u5c06\u5176\u5378\u8f7d\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">cd ~\r\nsudo umount \/dev\/<mark>LVMVolGroup<\/mark>\/<mark>test<\/mark><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u79fb\u9664\u903b\u8f91\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo lvremove <mark>LVMVolGroup<\/mark>\/<mark>test<\/mark><\/code><\/pre>\n<p>\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u786e\u8ba4\u64cd\u4f5c\u3002\u5982\u679c\u60a8\u786e\u5b9a\u8981\u5220\u9664\u8be5\u903b\u8f91\u5377\uff0c\u8bf7\u6309<code>y<\/code>\u952e\u3002<\/p>\n<h3>\u79fb\u9664\u5377\u7ec4<\/h3>\n<p>\u4f7f\u7528<code>vgremove<\/code>\u547d\u4ee4\u53ef\u4ee5\u5220\u9664\u6574\u4e2a\u5377\u7ec4\uff0c\u5305\u62ec\u5176\u4e2d\u7684\u6240\u6709\u903b\u8f91\u5377\u3002<\/p>\n<p>\u5728\u5220\u9664\u5377\u7ec4\u4e4b\u524d\uff0c\u60a8\u5e94\u8be5\u6309\u7167\u524d\u9762\u8ba8\u8bba\u7684\u6b65\u9aa4\u5220\u9664\u5176\u4e2d\u7684\u903b\u8f91\u5377\u3002\u81f3\u5c11\uff0c\u60a8\u5fc5\u987b\u786e\u4fdd\u5378\u8f7d\u5377\u7ec4\u4e2d\u5305\u542b\u7684\u4efb\u4f55\u903b\u8f91\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo umount \/dev\/<mark>LVMVolGroup<\/mark>\/<mark>www<\/mark>\r\nsudo umount \/dev\/<mark>LVMVolGroup<\/mark>\/<mark>projects<\/mark>\r\nsudo umount \/dev\/<mark>LVMVolGroup<\/mark>\/<mark>db<\/mark><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06\u5377\u7ec4\u540d\u79f0\u4f20\u9012\u7ed9<code>vgremove<\/code>\u547d\u4ee4\u6765\u5220\u9664\u6574\u4e2a\u5377\u7ec4\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo vgremove <mark>LVMVolGroup<\/mark><\/code><\/pre>\n<p>\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u786e\u8ba4\u662f\u5426\u8981\u5220\u9664\u8be5\u5377\u7ec4\u3002\u5982\u679c\u5377\u7ec4\u4e2d\u4ecd\u5b58\u5728\u903b\u8f91\u5377\uff0c\u7cfb\u7edf\u4f1a\u9488\u5bf9\u6bcf\u4e2a\u903b\u8f91\u5377\u5206\u522b\u8be2\u95ee\u60a8\u662f\u5426\u786e\u8ba4\u5220\u9664\u3002<\/p>\n<h3>\u79fb\u9664\u7269\u7406\u5377<\/h3>\n<p>\u8981\u5c06\u7269\u7406\u5377\u4eceLVM\u7ba1\u7406\u4e2d\u79fb\u9664\uff0c\u6240\u9700\u7684\u6b65\u9aa4\u53d6\u51b3\u4e8e\u8be5\u8bbe\u5907\u5f53\u524d\u662f\u5426\u6b63\u5728\u88abLVM\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u7269\u7406\u5b58\u50a8\u5377\u6b63\u5728\u4f7f\u7528\u4e2d\uff0c\u60a8\u9700\u8981\u5c06\u4f4d\u4e8e\u8be5\u8bbe\u5907\u4e0a\u7684\u7269\u7406\u6269\u5c55\uff08PE\uff09\u79fb\u52a8\u5230\u5176\u4ed6\u4f4d\u7f6e\u3002\u8fd9\u8981\u6c42\u5377\u7ec4\u62e5\u6709\u8db3\u591f\u7684\u5176\u4ed6\u7269\u7406\u5b58\u50a8\u5377\u6765\u5904\u7406\u8fd9\u4e9b\u7269\u7406\u6269\u5c55\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528\u66f4\u590d\u6742\u7684\u903b\u8f91\u5377\u7c7b\u578b\uff0c\u5373\u4f7f\u6709\u8db3\u591f\u7684\u53ef\u7528\u7a7a\u95f4\u6765\u5bb9\u7eb3\u62d3\u6251\u7ed3\u6784\uff0c\u60a8\u53ef\u80fd\u4ecd\u9700\u8981\u989d\u5916\u7684\u7269\u7406\u5b58\u50a8\u5377\u3002<\/p>\n<p>\u5f53\u60a8\u5728\u5377\u7ec4\u4e2d\u6709\u8db3\u591f\u7684\u7269\u7406\u5377\u6765\u5904\u7406\u7269\u7406\u6269\u5c55\u65f6\uff0c\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5176\u4ece\u60a8\u5e0c\u671b\u5220\u9664\u7684\u7269\u7406\u5377\u4e2d\u79fb\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo pvmove \/dev\/<mark>sda<\/mark><\/code><\/pre>\n<p>\u6839\u636e\u5377\u7684\u5927\u5c0f\u548c\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u80fd\u9700\u8981\u82b1\u8d39\u4e00\u4e9b\u65f6\u95f4\u3002<\/p>\n<p>\u4e00\u65e6\u7269\u7406\u6269\u5c55\u5df2\u7ecf\u88ab\u8fc1\u79fb\u81f3\u5bf9\u7b49\u5377\uff0c\u60a8\u53ef\u4ee5\u4ece\u5377\u7ec4\u4e2d\u79fb\u9664\u8be5\u7269\u7406\u5377\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo vgreduce <mark>LVMVolGroup<\/mark> \/dev\/<mark>sda<\/mark><\/code><\/pre>\n<p>\u8fd9\u5c06\u4ece\u5377\u7ec4\u4e2d\u79fb\u9664\u88ab\u6e05\u7a7a\u7684\u7269\u7406\u5377\u3002\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u4ece\u5b58\u50a8\u8bbe\u5907\u4e2d\u79fb\u9664\u7269\u7406\u5377\u6807\u8bb0\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"language-bash\">sudo pvremove \/dev\/<mark>sda<\/mark><\/code><\/pre>\n<p>\u73b0\u5728\u60a8\u53ef\u4ee5\u5c06\u5df2\u79fb\u9664\u7684\u5b58\u50a8\u8bbe\u5907\u7528\u4e8e\u5176\u4ed6\u76ee\u7684\uff0c\u6216\u8005\u5b8c\u5168\u4ece\u7cfb\u7edf\u4e2d\u79fb\u9664\u5b83\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u60a8\u73b0\u5728\u5df2\u7ecf\u4e86\u89e3\u5982\u4f55\u5728Ubuntu 18.04\u4e0a\u4f7f\u7528LVM\u7ba1\u7406\u5b58\u50a8\u8bbe\u5907\u3002\u60a8\u8fd8\u77e5\u9053\u5982\u4f55\u83b7\u53d6\u73b0\u6709LVM\u7ec4\u4ef6\u7684\u72b6\u6001\u4fe1\u606f\uff0c\u5982\u4f55\u4f7f\u7528LVM\u6765\u7ec4\u7ec7\u60a8\u7684\u5b58\u50a8\u7cfb\u7edf\uff0c\u4ee5\u53ca\u5982\u4f55\u4fee\u6539\u5377\u4ee5\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002\u8bf7\u968f\u610f\u5728\u5b89\u5168\u73af\u5883\u4e2d\u6d4b\u8bd5\u8fd9\u4e9b\u6982\u5ff5\uff0c\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u903b\u8f91\u5377\u7ba1\u7406\uff08Logical Volume Management\uff0c\u7b80\u79f0LVM\uff09\u662f\u4e00\u79cd\u5b58\u50a8\u8bbe\u5907\u7ba1\u7406\u6280\u672f\uff0c\u5b83\u5141 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[376,187,503,505,504],"class_list":["post-97","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-lvm","tag-ubuntu","tag-503","tag-505","tag-504"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ubuntu 18.04 LVM\u5b58\u50a8\u7ba1\u7406\u7ec8\u6781\u6307\u5357\uff1a\u5206\u533a\u3001\u6269\u5bb9\u4e0e\u7ef4\u62a4 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6307\u5357\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Ubuntu 18.04\u4e0a\u4f7f\u7528LVM\uff08\u903b\u8f91\u5377\u7ba1\u7406\uff09\u9ad8\u6548\u7ba1\u7406\u5b58\u50a8\u8bbe\u5907\u3002\u5b66\u4e60\u5982\u4f55\u521b\u5efa\u3001\u8c03\u6574\u548c\u7ef4\u62a4\u903b\u8f91\u5377\uff0c\u8f7b\u677e\u5b9e\u73b0\u78c1\u76d8\u5206\u533a\u3001\u6269\u5bb9\u548c\u6570\u636e\u8fc1\u79fb\uff0c\u63d0\u5347\u670d\u52a1\u5668\u5b58\u50a8\u7075\u6d3b\u6027\u4e0e\u6548\u7387\u3002\" \/>\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.silicloud.com\/zh\/blog\/\u5982\u4f55\u4f7f\u7528lvm\u5728ubuntu-18-04\u4e0a\u7ba1\u7406\u5b58\u50a8\u8bbe\u5907\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ubuntu 18.04 LVM\u5b58\u50a8\u7ba1\u7406\u7ec8\u6781\u6307\u5357\uff1a\u5206\u533a\u3001\u6269\u5bb9\u4e0e\u7ef4\u62a4\" \/>\n<meta property=\"og:description\" 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18.04\u4e0a\u4f7f\u7528LVM\uff08\u903b\u8f91\u5377\u7ba1\u7406\uff09\u9ad8\u6548\u7ba1\u7406\u5b58\u50a8\u8bbe\u5907\u3002\u5b66\u4e60\u5982\u4f55\u521b\u5efa\u3001\u8c03\u6574\u548c\u7ef4\u62a4\u903b\u8f91\u5377\uff0c\u8f7b\u677e\u5b9e\u73b0\u78c1\u76d8\u5206\u533a\u3001\u6269\u5bb9\u548c\u6570\u636e\u8fc1\u79fb\uff0c\u63d0\u5347\u670d\u52a1\u5668\u5b58\u50a8\u7075\u6d3b\u6027\u4e0e\u6548\u7387\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8lvm%e5%9c%a8ubuntu-18-04%e4%b8%8a%e7%ae%a1%e7%90%86%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ubuntu 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