{"id":19488,"date":"2017-04-01T06:18:03","date_gmt":"2017-03-31T22:18:03","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/04\/01\/lvm-pv-%e6%8c%87%e4%bb%a4\/"},"modified":"2017-04-01T06:18:03","modified_gmt":"2017-03-31T22:18:03","slug":"lvm-pv-%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/04\/01\/lvm-pv-%e6%8c%87%e4%bb%a4\/","title":{"rendered":"LVM – PV \u6307\u4ee4"},"content":{"rendered":"

pvcreate\u00a0\u5c07\u5be6\u9ad4\u7684\u5206\u5272\u5340\u8f49\u63db\u6210 Physical Volume
# pvcreate \/dev\/sdb1<\/span>
\u00a0 Physical volume “\/dev\/sdb1” successfully created<\/span><\/p>\n

pvdisplay\u00a0\u986f\u793a PV\u00a0\u76f8\u95dc\u8cc7\u8a0a
# pvdisplay \/dev\/sdb1<\/span>
\u00a0 — Physical volume —<\/span>
\u00a0 PV Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/sdb1<\/span>
\u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 diskvg<\/span>
\u00a0 PV Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.00 GiB \/ not usable 4.00 MiB<\/span>
\u00a0 Allocatable\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 yes<\/span>
\u00a0 PE Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.00 MiB<\/span>
\u00a0 Total PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255<\/span>
\u00a0 Free PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 141<\/span>
\u00a0 Allocated PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 114<\/span>
\u00a0 PV UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CblZP6-Xks3-1TwD-E26S-iBkW-2c4f-zzj3vb<\/span><\/p>\n

[@more@]pvscan\u00a0\u6383\u63cf\u7cfb\u7d71\u4e2d\u6240\u6709\u7684 PV\u00a0\u8cc7\u8a0a
# pvscan<\/span>
\u00a0 PV \/dev\/sdb1\u00a0\u00a0 VG diskvg\u00a0\u00a0 lvm2 [1020.00 MiB \/ 564.00 MiB free]<\/span>
\u00a0 PV \/dev\/sdb2\u00a0\u00a0 VG diskvg\u00a0\u00a0 lvm2 [1020.00 MiB \/ 1020.00 MiB free]<\/span>
\u00a0 PV \/dev\/sdb3\u00a0\u00a0 VG diskvg\u00a0\u00a0 lvm2 [1020.00 MiB \/ 1020.00 MiB free]<\/span>
\u00a0 Total: 3 [2.99 GiB] \/ in use: 3 [2.99 GiB] \/ in no VG: 0 [0\u00a0\u00a0 ]<\/span><\/p>\n

pvmove\u00a0\u642c\u79fb Physical Volume\u00a0\u5167\u7684\u8cc7\u6599
# pvmove [-n <lv>] < source pv> [<destination pv>]<\/span>
pvmove\u00a0\u9019\u500b\u4e26\u4e0d\u662f\u642c\u79fb PV\uff0c\u800c\u662f\u642c\u79fb PV\u00a0\u5167\u7684\u8cc7\u6599\uff0c\u5176\u5be6\u5c31\u662f\u5c07 PV\u00a0\u4e2d\u7684 PE\u00a0\u8cc7\u6599\u642c\u79fb\u5230\u540c\u4e00\u500b VG\u00a0\u4e2d\u7684\u53e6\u4e00\u500b PV\u00a0\u5167(\u8a3b\uff1a\u4e00\u5b9a\u8981\u5728\u540c\u4e00\u500b VG\u00a0\u5167\u7684 PV)\uff0c\u9019\u500b\u6307\u4ee4\u901a\u5e38\u662f\u7528\u65bc\u6211\u5011\u8981\u5c07\u67d0\u500b PV\u00a0\u5f9e VG\u00a0\u4e2d\u79fb\u9664\u6642(\u8a3b\uff1a\u5229\u7528 vgreduce\u00a0\u6307\u4ee4\u6642)\uff0c\u5148\u5c07 PV\u00a0\u4e2d\u7684\u8cc7\u6599\u642c\u79fb\u5230\u53e6\u4e00\u500b PV\u00a0\u4e4b\u4e2d\uff0c\u518d\u9032\u884c\u79fb\u9664 PV\u00a0\u7684\u52d5\u4f5c\u3002<\/p>\n

pvremove\u00a0\u79fb\u9664 PV
# pvremove \/dev\/sdb1 \/dev\/sdb2 \/dev\/sdb3<\/span>
Labels on physical volume “\/dev\/sdb1” successfully wiped<\/span>
Labels on physical volume “\/dev\/sdb2” successfully wiped<\/span>
Labels on physical volume “\/dev\/sdb3” successfully wiped<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

pvcreate\u00a0\u5c07\u5be6\u9ad4\u7684\u5206\u5272\u5340\u8f49\u63db\u6210 Physical Volume# pvcreate \/dev\/sdb1 … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008LVM – PV \u6307\u4ee4\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[192],"tags":[],"class_list":["post-19488","post","type-post","status-publish","format-standard","hentry","category-c-105011"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["685437"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19488"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=19488"}],"version-history":[{"count":0,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19488\/revisions"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}