{"id":1698,"date":"2021-06-07T21:36:34","date_gmt":"2021-06-07T13:36:34","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=1698"},"modified":"2023-10-04T06:32:34","modified_gmt":"2023-10-03T22:32:34","slug":"%e6%89%a9%e5%ae%b9lvm-%e7%9a%84-root%e6%a0%b9%e5%88%86%e5%8c%ba","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=1698","title":{"rendered":"\u6269\u5bb9LVM \u7684 root\u6839\u5206\u533a\u548cTHIN\u5206\u533a"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>cat \/etc\/fstab<br \/>\n# \/dev\/pve\/swap none swap sw 0 0 \/\u6ce8\u91ca\u6389swap\u5206\u533a<br \/>\n\u91cd\u542f\u7535\u8111<\/p>\n<p>\u4e5f\u53ef\u4ee5\u8fd9\u6837\u64cd\u4f5c\u65e0\u9700\u91cd\u542f\uff1a<\/p>\n<p># swapoff -a<\/p>\n<p>#dmsetup ls<\/p>\n<p>#dmsetup remove pve-swap\u00a0 \u5378\u8f7d\u6620\u5c04\u5173\u7cfb<\/p>\n<p>#lvremove \/dev\/pve\/swap<\/p>\n<p>&nbsp;<\/p>\n<p>root@wjxy2:~# pvscan<br \/>\nPV \/dev\/sdc VG WD-160G lvm2 [&lt;149.05 GiB \/ 0 free]<br \/>\nPV \/dev\/sda3 VG pve lvm2 [&lt;14.49 GiB \/ 508.00 MiB free] \u8fd8\u6709508m\u7a7a\u95f2\u7a7a\u95f4<br \/>\nTotal: 2 [&lt;163.54 GiB] \/ in use: 2 [&lt;163.54 GiB] \/ in no VG: 0 [0 ]<\/p>\n<p>lvscan<br \/>\nACTIVE &#8216;\/dev\/pve\/root&#8217; [6.50 GiB] inherit \u67e5\u51faroot\u5206\u533a\u8def\u5f84<\/p>\n<p>lvextend -L +512m \/dev\/pve\/root \u6269\u5bb9512m<br \/>\n<strong><span style=\"color: #ff0000;\">lvextend -L +2g \/dev\/pve\/root \u6269\u5bb92g<\/span><\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">lvextend -L +2g \/dev\/pve\/data\u00a0 \u6269\u5bb9THIN-LVM\u5206\u533a<\/span><\/strong><\/p>\n<p># resize2fs \/dev\/mapper\/pve-root \/\u5c06\u7a7a\u95f4\u6dfb\u52a0\u5230\u6587\u4ef6\u7cfb\u7edf<br \/>\nresize2fs 1.44.5 (15-Dec-2018)<br \/>\nFilesystem at \/dev\/mapper\/pve-root is mounted on \/; on-line resizing required<br \/>\nold_desc_blocks = 1, new_desc_blocks = 1<br \/>\nThe filesystem on \/dev\/mapper\/pve-root is now 1703936 (4k) blocks long.<\/p>\n<p>\u4eca\u5929\u5728\u8fdb\u884clvm\u6269\u5bb9\u4e4b\u540e\uff0c\u6309\u7167\u60ef\u4f8b\u8fdb\u884c resize2fs \u64cd\u4f5c\uff0c\u53d1\u73b0\u62a5\u5982\u4e0b\u9519\u8bef\uff1a<br \/>\n# resize2fs \/dev\/centos\/root<br \/>\nresize2fs 1.42.9 (28-Dec-2013)<br \/>\nresize2fs: Bad magic number in super-block while trying to open \/dev\/centos\/root<br \/>\nCouldn&#8217;t find valid filesystem superblock.<br \/>\n\u68c0\u67e5\/dev\/centos\/root \u6587\u4ef6\u7cfb\u7edf\uff0c\u53d1\u73b0\u662fxfs\uff0c\u5982\u4e0b;<br \/>\n# mount |grep root<br \/>\n\/dev\/mapper\/centos-root on \/ type xfs (rw,relatime,attr2,inode64,noquota)<br \/>\nxfs\u7684\u6587\u4ef6\u7cfb\u7edf\u91cd\u65b0\u5b9a\u4e49\u5927\u5c0f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br \/>\n<code>xfs_growfs \/dev\/mapper\/centos-root <\/code><br \/>\n\u91cd\u65b0\u8fdb\u884cdf -h\u67e5\u770b\u6302\u8f7d\u70b9\uff0c\u53d1\u73b0\u5927\u5c0f\u5df2\u7ecf\u66f4\u6539\u3002<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n\u6269\u5bb9pv<br \/>\n\u589e\u52a0\u4e86\u7a7a\u95f4\u7684\u786c\u76d8\u662f\/dev\/sda \u5206\u533a\uff1a<\/p>\n<p># fdisk \/dev\/sda<br \/>\nn \u65b0\u589e\u52a0\u4e00\u4e2a\u5206\u533a<br \/>\nt \u4fee\u6539\u5206\u533a\u4e3a8e (lvm system)<br \/>\nw \u4fdd\u5b58<br \/>\npvcreate \/dev\/sda3<br \/>\npvdisplay \u53d1\u73b0sda3\u5df2\u7ecf\u52a0\u5165PV<br \/>\nvgdisplay \u627e\u5230VG name<br \/>\nvgextend centos \/dev\/sda3<br \/>\nlvscan \u627e\u5230\u9700\u8981\u62a4\u5bb9\u7684\u5206\u533a<\/p>\n<p>lvextend -l +3.5g \/dev\/centos\/swap<br \/>\nlvextend -L +31G \/dev\/centos\/root<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; &nbsp; cat \/etc\/fstab # \/dev\/pve\/swap non [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1698"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1698"}],"version-history":[{"count":5,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1698\/revisions"}],"predecessor-version":[{"id":2208,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1698\/revisions\/2208"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}