{"id":325,"date":"2007-07-17T13:18:35","date_gmt":"2007-07-17T05:18:35","guid":{"rendered":"http:\/\/blog.smallken.ink\/2007\/07\/17\/linux\/325.html"},"modified":"2007-07-17T13:18:39","modified_gmt":"2007-07-17T05:18:39","slug":"%e5%bb%ba%e7%ab%8b-lv-lvm","status":"publish","type":"post","link":"https:\/\/blog.smallken.site\/?p=325","title":{"rendered":"\u5efa\u7acb LV &#8211; LVM"},"content":{"rendered":"<p>\u5efa\u7acb\u5b8c LV \u5c31\u5df2\u7d93\u5b8c\u6210\u6700\u5f8c\u4e00\u9053\u624b\u7e8c, \u985e\u4f3c \/dev\/hda1, \/dev\/hdb2 \u9019\u7a2e partition \u4e86,\u53ef\u4ee5\u639b\u8f09 \/home, \/usr&#8230;\u9019\u4e9b\u7cfb\u7d71\u76ee\u9304<\/p>\n<ul>\n<li>lvcreate \uff1a\u5efa\u7acb LV&nbsp;  <\/li>\n<li>lvscan \uff1a\u67e5\u8a62\u7cfb\u7d71\u4e0a\u9762\u7684 LV  <\/li>\n<li>lvdisplay \uff1a\u986f\u793a\u7cfb\u7d71\u4e0a\u9762\u7684 LV \u72c0\u614b <\/li>\n<li>lvextend \uff1a\u5728 LV \u88e1\u9762\u589e\u52a0\u5bb9\u91cf <\/li>\n<li>lvreduce \uff1a\u5728 LV \u88e1\u9762\u6e1b\u5c11\u5bb9\u91cf  <\/li>\n<li>lvresize \uff1a\u5c0d LV \u9032\u884c\u5bb9\u91cf\u5927\u5c0f\u7684\u8abf\u6574\uff01  <\/li>\n<li>lvremove \uff1a\u522a\u9664\u4e00\u500b LV <\/li>\n<\/ul>\n<p>\u5efa\u7acb\u4e00\u500b LV, \u540d\u7a31\u70ba home<br \/>[root@test ~]# <strong>lvcreate -L 3G -n home&nbsp; Volgroup01<br \/><\/strong>&nbsp; Logical volume &#8220;home&#8221; created <\/p>\n<p># <strong>ll \/dev\/Volgroup01\/<\/strong><\/p>\n<p><!--more--><\/p>\n<p><strong><br \/><\/strong>\u7e3d\u8a08 0<br \/>lrwxrwxrwx 1 root root 27&nbsp; 7\u6708 17 11:45 home -&gt; \/dev\/mapper\/Volgroup01-home <\/p>\n<p>\u5982\u4e0a home \u5730\u4f4d\u5c31\u7b49\u65bc \/dev\/hda1, \/dev\/hdb3 \u9019\u4e9b partition <\/p>\n<p>[root@test ~]# <strong>lvscan<br \/><\/strong>&nbsp; ACTIVE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#8216;\/dev\/Volgroup01\/home&#8217; [3.00 GB] inherit <\/p>\n<p>[root@test ~]# <strong>lvdisplay<br \/><\/strong>&nbsp; &#8212; Logical volume &#8212;<br \/>&nbsp; LV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \/dev\/Volgroup01\/home<br \/>&nbsp; VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Volgroup01<br \/>&nbsp; LV UUID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4SocJv-HAas-R0ZF-xWmI-ZXNc-2IYw-zuZiCE<br \/>&nbsp; LV Write Access&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read\/write<br \/>&nbsp; LV Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; available<br \/>&nbsp; # open&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; LV Size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <strong>3.00 GB<\/strong><br \/>&nbsp; Current LE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 768<br \/>&nbsp; Segments&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br \/>&nbsp; Allocation&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; inherit<br \/>&nbsp; Read ahead sectors&nbsp;&nbsp;&nbsp;&nbsp; 0<br \/>&nbsp; Block device&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 253:0 <\/p>\n<p>\u63a5\u4e0b\u4f86 \/dev\/Volgroup01\/home \u9019\u500b\u6771\u897f\u5c31\u80fd\u50cf \/dev\/hda2,\u9019\u4e9b partition \u4e00\u6a23\u9032\u884c\u683c\u5f0f\u5316, \u639b\u8f09<br \/># <strong>mkfs.ext3 \/dev\/Volgroup01\/home<br \/><\/strong># <strong>mkdir \/mnt\/home<br \/><\/strong>#<strong> mount \/dev\/Volgroup01\/home \/mnt\/home\/<br \/><\/strong>#<strong> df -h<\/strong> <\/p>\n<p>\u6a94\u6848\u7cfb\u7d71&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5bb9\u91cf&nbsp; \u5df2\u7528 \u53ef\u7528 \u5df2\u7528% \u639b\u8f09\u9ede<br \/>\/dev\/hda3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.6G&nbsp; 1.2G&nbsp; 2.3G&nbsp; 34% \/<br \/>\/dev\/hda1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 99M&nbsp; 9.9M&nbsp;&nbsp; 84M&nbsp; 11% \/boot<br \/>tmpfs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125M&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp; 125M&nbsp;&nbsp; 0% \/dev\/shm<br \/>\/dev\/mapper\/Volgroup01-home<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.0G&nbsp;&nbsp; 69M&nbsp; 2.8G&nbsp;&nbsp; 3% \/mnt\/home<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5efa\u7acb\u5b8c LV \u5c31\u5df2\u7d93\u5b8c\u6210\u6700\u5f8c\u4e00\u9053\u624b\u7e8c, \u985e\u4f3c \/dev\/hda1, \/dev\/hdb2 \u9019\u7a2e partitio&#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-325","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/325","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=325"}],"version-history":[{"count":0,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/325\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}