{"id":19489,"date":"2017-04-02T06:20:19","date_gmt":"2017-04-01T22:20:19","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/04\/02\/lvm-vg-%e6%8c%87%e4%bb%a4\/"},"modified":"2017-04-02T06:20:19","modified_gmt":"2017-04-01T22:20:19","slug":"lvm-vg-%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/04\/02\/lvm-vg-%e6%8c%87%e4%bb%a4\/","title":{"rendered":"LVM – VG \u6307\u4ee4"},"content":{"rendered":"

vgcreate\u00a0\u5c07\u4e00\u500b\u6216\u4e00\u500b\u4ee5\u4e0a\u7684 PV\u00a0\u7d44\u6210\u4e00\u500b VG
\u00a0# vgcreate diskvg \/dev\/sdb1 \/dev\/sdb2 \/dev\/sdb3<\/span>
\u00a0 Volume group “diskvg” successfully created<\/span><\/p>\n

vgdisplay\u00a0\u986f\u793a VG\u00a0\u7684\u76f8\u95dc\u8a0a\u606f\uff0c\u5305\u62ec PE\u00a0\u7684\u6578\u91cf\u3001\u5927\u5c0f\u7b49\u8cc7\u8a0a
# vgdisplay diskvg<\/span>
\u00a0 — Volume group —<\/span>
\u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 diskvg<\/span>
\u00a0 System ID<\/span>
\u00a0 Format\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2<\/span>
\u00a0 Metadata Areas\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<\/span>
\u00a0 Metadata Sequence No\u00a0 4<\/span>
\u00a0 VG Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<\/span>
\u00a0 VG Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 resizable<\/span>
\u00a0 MAX LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Cur LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<\/span>
\u00a0 Open LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Max PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Cur PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<\/span>
\u00a0 Act PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<\/span>
\u00a0 VG Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.99 GiB<\/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 765<\/span>
\u00a0 Alloc PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 114 \/ 456.00 MiB<\/span>
\u00a0 Free\u00a0 PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 651 \/ 2.54 GiB<\/span>
\u00a0 VG UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 KP7wM8-DDuZ-a5jy-RsBP-Be22-5nVu-dk9hCl<\/span><\/p>\n

[@more@]vgscan\u00a0\u6383\u63cf\u7cfb\u7d71\u4e2d\u6240\u6709\u7684 VG\u00a0\u8cc7\u8a0a
# vgscan<\/span>
\u00a0 Reading all physical volumes.\u00a0 This may take a while…<\/span>
\u00a0 Found volume group “diskvg” using metadata type lvm2<\/span><\/p>\n

vgextend\u00a0\u64f4\u5145 VG\u00a0\u5bb9\u91cf\uff0c\u628a PV\u00a0\u52a0\u5165\u5df2\u5b58\u5728\u7684 VG
# vgextend diskvg \/dev\/sdc1<\/span>
\u00a0 Volume group “diskvg” successfully extended<\/span>
# vgdisplay diskvg<\/span>
\u00a0 — Volume group —<\/span>
\u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 diskvg<\/span>
\u00a0 System ID<\/span>
\u00a0 Format\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2<\/span>
\u00a0 Metadata Areas\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4<\/span>
\u00a0 Metadata Sequence No\u00a0 5<\/span>
\u00a0 VG Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<\/span>
\u00a0 VG Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 resizable<\/span>
\u00a0 MAX LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Cur LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<\/span>
\u00a0 Open LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Max PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span>
\u00a0 Cur PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4<\/span>
\u00a0 Act PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4<\/span>
\u00a0 VG Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.98 GiB<\/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 1020<\/span>
\u00a0 Alloc PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 114 \/ 456.00 MiB<\/span>
\u00a0 Free\u00a0 PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 906 \/ 3.54 GiB<\/span>
\u00a0 VG UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 KP7wM8-DDuZ-a5jy-RsBP-Be22-5nVu-dk9hCl<\/span><\/p>\n

vgchange\u00a0\u505c\u6b62 VG\u00a0\u7684\u4f5c\u7528\uff0c\u76ee\u7684\u662f\u8b93\u6240\u6709\u7a0b\u5f0f\u4e0d\u80fd\u518d\u5b58\u53d6\u6b64 VG
# vgchange -a n diskvg<\/span>
0 logical volume(s) in volume group “diskvg” now active<\/span><\/p>\n

vgremove\u00a0\u522a\u9664 VG
\u8981\u5148\u505c\u6b62 VG\u00a0\u5f8c\uff0c\u624d\u80fd\u522a\u9664 VG
# vgremove diskvg<\/span>
Volume group “diskvg” sucessfully removed<\/p>\n

<\/span>vgreduce\u00a0\u79fb\u9664\u52a0\u5165\u5230 VG\u00a0\u7684 PV
# vgreduce diskvg \/dev\/sdc1<\/span>
Removed “\/dev\/sdc1” from volume group “diskvg”<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

vgcreate\u00a0\u5c07\u4e00\u500b\u6216\u4e00\u500b\u4ee5\u4e0a\u7684 PV\u00a0\u7d44\u6210\u4e00\u500b VG\u00a0# vgcreate diskvg \/dev\/sd … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008LVM – VG \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-19489","post","type-post","status-publish","format-standard","hentry","category-c-105011"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["685438"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19489"}],"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=19489"}],"version-history":[{"count":0,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19489\/revisions"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}