{"id":324,"date":"2007-07-17T13:07:04","date_gmt":"2007-07-17T05:07:04","guid":{"rendered":"http:\/\/blog.smallken.ink\/2007\/07\/17\/linux\/324.html"},"modified":"2007-07-17T13:07:05","modified_gmt":"2007-07-17T05:07:05","slug":"%e5%bb%ba%e7%ab%8b-vg-lvm","status":"publish","type":"post","link":"https:\/\/blog.smallken.site\/?p=324","title":{"rendered":"\u5efa\u7acb VG &#8211; LVM"},"content":{"rendered":"<ul>\n<li>vgcreate \uff1a\u4e3b\u8981\u5efa\u7acb VG \u7684\u6307\u4ee4 <\/li>\n<li>vgscan \uff1a\u641c\u5c0b\u7cfb\u7d71\u4e0a\u9762\u662f\u5426\u6709 VG \u5b58\u5728\uff1f  <\/li>\n<li>vgdisplay \uff1a\u986f\u793a\u76ee\u524d\u7cfb\u7d71\u4e0a\u9762\u7684 VG \u72c0\u614b <\/li>\n<li>vgextend \uff1a\u5728 VG \u5167\u589e\u52a0\u984d\u5916\u7684 PV&nbsp;  <\/li>\n<li>vgreduce \uff1a\u5728 VG \u5167\u79fb\u9664 PV  <\/li>\n<li>vgchange \uff1a\u8a2d\u5b9a VG \u662f\u5426\u555f\u52d5 (active)  <\/li>\n<li>vgremove \uff1a\u522a\u9664\u4e00\u500b VG <\/li>\n<\/ul>\n<p>\u5148\u628a \/dev\/hdb1, \/dev\/hdd1 \u4f75\u6210\u4e00\u500b group, \u540d\u7a31\u53eb Volgroup01<br \/>[root@test ~]# <strong>vgcreate Volgroup01 \/dev\/hdb1 \/dev\/hdd1<\/strong><\/p>\n<p>[root@test ~]# <strong>vgscan<br \/><\/strong>&nbsp; Reading all physical volumes.&nbsp; This may take a while&#8230;<br \/>&nbsp; Found volume group &#8220;Volgroup01&#8221; using metadata type lvm2<\/p>\n<p><!--more--><\/p>\n<p>[root@linux ~]# <strong>vgdisplay<br \/><\/strong>&#8212; Volume group &#8212;<br \/>VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Volgroup01<br \/>System ID<br \/>Format&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lvm2<br \/>Metadata Areas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>Metadata Sequence No&nbsp; 1<br \/>VG Access&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read\/write<br \/>VG Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resizable<br \/>MAX LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Cur LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Open LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Max PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Cur PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>Act PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>VG Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <strong>7.99 GB<\/strong><br \/>PE Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4.00 MB<br \/>Total PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2046<br \/>Alloc PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 \/ 0<br \/>Free&nbsp; PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2046 \/ 7.99 GB<br \/>VG UUID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 412AbV-2Cmr-30JX-Nq75-iq8z-jJt8-MG2VxP <\/p>\n<p>\u9019\u6a23\u5c31\u6210\u529f\u628a\u5169\u9846\u786c\u789f\u4f75\u6210\u4e00\u500bgroup, \u540d\u7a31\u53eb Volgroup01,\u5927\u5c0f\u67097.99GB<\/p>\n<p>\u63a5\u4e0b\u4f86\u6211\u5011\u5617\u8a66\u8e22\u9664 \/dev\/hdd1 \u786c\u789f<br \/>[root@test ~]# <strong>vgreduce Volgroup01 \/dev\/hdd1<br \/><\/strong>&nbsp; Removed &#8220;\/dev\/hdd1&#8221; from volume group &#8220;Volgroup01&#8221;<\/p>\n<p>[root@test ~]# <strong>vgdisplay<\/strong><\/p>\n<p>&#8212; Volume group &#8212;<br \/>VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Volgroup01<br \/>System ID<br \/>Format&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lvm2<br \/>Metadata Areas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br \/>Metadata Sequence No&nbsp; 2<br \/>VG Access&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read\/write<br \/>VG Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resizable<br \/>MAX LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Cur LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Open LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Max PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>Cur PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br \/>Act PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br \/>VG Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <strong>4.00 GB<br \/><\/strong>PE Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4.00 MB<br \/>Total PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1023<br \/>Alloc PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 \/ 0<br \/>Free&nbsp; PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1023 \/ 4.00 GB<br \/>VG UUID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 412AbV-2Cmr-30JX-Nq75-iq8z-jJt8-MG2VxP<\/p>\n<p>\u5982\u4e0a,Volgroup01 \u53ea\u5269\u4e0b 4.00GB \u7684\u786c\u789f\u7a7a\u9593<\/p>\n<p>\u63a5\u8457\u6211\u5011\u518d\u5617\u8a66\u52a0\u5165 \/dev\/hdd1 \u786c\u789f\u5230 Volgroup01<br \/>[root@test ~]# <strong>vgextend Volgroup01 \/dev\/hdd1<\/strong><br \/>&nbsp; Volume group &#8220;Volgroup01&#8221; successfully extended<\/p>\n<p>[root@test ~]#<strong> vgdisplay<br \/><\/strong>&nbsp; &#8212; Volume group &#8212;<br \/>&nbsp; VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Volgroup01<br \/>&nbsp; System ID<br \/>&nbsp; Format&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lvm2<br \/>&nbsp; Metadata Areas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>&nbsp; Metadata Sequence No&nbsp; 3<br \/>&nbsp; VG Access&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read\/write<br \/>&nbsp; VG Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resizable<br \/>&nbsp; MAX LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; Cur LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; Open LV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; Max PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; Cur PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>&nbsp; Act PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2<br \/>&nbsp; VG Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<strong> 7.99 GB<br \/><\/strong>&nbsp; PE Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4.00 MB<br \/>&nbsp; Total PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2046<br \/>&nbsp; Alloc PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 \/ 0<br \/>&nbsp; Free&nbsp; PE \/ Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2046 \/ 7.99 GB<br \/>&nbsp; VG UUID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 412AbV-2Cmr-30JX-Nq75-iq8z-jJt8-MG2VxP <\/p>\n<p>PE Size \u662f VG \u5206\u5272\u7684\u6700\u5c0f\u55ae\u4f4d, \u9810\u8a2d PE Size \u662f 4MB, \u82e5\u8981\u6307\u5b9a\u5927\u5c0f<\/p>\n<p># <strong>vgcreate -s 16M vbirdvg \/dev\/hdb1 \/dev\/hdd1<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>vgcreate \uff1a\u4e3b\u8981\u5efa\u7acb VG \u7684\u6307\u4ee4 vgscan \uff1a\u641c\u5c0b\u7cfb\u7d71\u4e0a\u9762\u662f\u5426\u6709 VG \u5b58\u5728\uff1f vgdispla&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=324"}],"version-history":[{"count":0,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/324\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}