kvm后端存储ceph使用 rbd cp 镜像并使用uuid方式增加名称长度以及resize扩容镜像

admin

卷拷贝        rbd cp <pool1>/<image1>  <pool2>/<image2>
  ^. T4 D1 F7 O- ?4 C下面的操作实例：
$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`uuidgen`
Image copy: 100% complete...done.
root@gm268-5 15:41:35 ~
$
3 E: D' r7 A+ `
8 N" @/ T$ g. _8 M, k# J; L$ rbd ls -p volumes
CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
! z  y1 I5 m9 O+ C: T& n% a$ T# yCentOS8.3-2011-mode
openEuler-imge
( v3 j1 z# b" y0 E! `openEuler-imge-mode
root@gm268-5 15:42:34 ~
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9 [. j& P# p" O4 S$ rbd info volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
; N) D( F  d* U% g% Crbd image 'CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9':
        size 5 GiB in 1280 objects
3 R5 q7 P; u: o# a9 q, i9 _* ^        order 22 (4 MiB objects)
        snapshot_count: 0
! ?- z+ g) L3 ~, Q% Z* @  D9 b        id: 9d8f04d0fcd1b
) n1 I: g" }  h3 _( z4 G2 {        block_name_prefix: rbd_data.9d8f04d0fcd1b
        format: 2
        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
        flags:
        create_timestamp: Sun Nov 17 15:41:19 2024
2 T" h0 u/ y; N. y# B1 q        access_timestamp: Sun Nov 17 15:41:19 2024
$ y( H0 Q- _9 O9 s/ h" }6 j) b        modify_timestamp: Sun Nov 17 15:41:19 2024
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卷扩容        rbd resize <pool>/<image> --size 20<GB>

" y$ `+ o; O& ~9 [/ i2 D$ rbd resize volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9 --size 1024GB
Resizing image: 100% complete...done.

0 q# r& P2 K" U& \+ y! i- ]$ rbd info volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
rbd image 'CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9':
) j! ^# M: o/ r" w! N2 D: `/ n  ]( q        size 1 TiB in 262144 objects
        order 22 (4 MiB objects)
        snapshot_count: 0
4 u$ s0 p- F& q9 o        id: 9d8f04d0fcd1b
7 a2 R5 Y  W) i+ L( P; x3 B* n        block_name_prefix: rbd_data.9d8f04d0fcd1b
+ c! R; S7 m, B: o4 r        format: 2
9 A% U6 Y& p& l) b        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
  p! M& d8 _  R' D8 K" B        flags:
        create_timestamp: Sun Nov 17 15:41:19 2024
        access_timestamp: Sun Nov 17 15:41:19 2024
6 ?' {+ b3 v, q& a1 d5 c+ C% j6 d        modify_timestamp: Sun Nov 17 15:41:19 2024
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admin

$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`date  +'%Y-%m-%d'`-`uuidgen`

9 B  s( b6 g+ W$ s" K  h3 z1 m( N9 F$ y$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`date  +'%Y-%m-%d'`-`uuidgen`
Image copy: 100% complete...done.

admin

$ virsh define gm268-3-vm-1.xml
Domain gm268-3-vm-1 defined from gm268-3-vm-1.xml
! ?& o% c; _. ~
7 c; _5 X/ j* \( }1 j& troot@gm268-3 17:17:30 ~
$ virsh list --all
Id   Name           State
-------------------------------
# U  J. u) |" C2 p -    gm268-3-vm-1   shut off