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>
: e# w2 _# L6 N7 t+ d下面的操作实例：
' ]5 Y3 B' L, d' a$ g. f, w$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`uuidgen`
Image copy: 100% complete...done.
root@gm268-5 15:41:35 ~
0 W1 {* A; d8 r) W6 f7 g$

$ c2 E# F/ e3 u+ {5 R0 T) g* q7 f$ rbd ls -p volumes
CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
$ i, A7 V5 c: }8 |/ N8 ]) WCentOS8.3-2011-mode
openEuler-imge
openEuler-imge-mode
root@gm268-5 15:42:34 ~
$
5 w% \+ P8 O, @, f* j. ~$ rbd info volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
- g& u2 Z. t! F( _rbd image 'CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9':
        size 5 GiB in 1280 objects
        order 22 (4 MiB objects)
0 q8 T/ p$ q. }        snapshot_count: 0
9 Q8 [6 }5 k% |        id: 9d8f04d0fcd1b
$ B1 `: J# d5 y# [* D" J" A- c        block_name_prefix: rbd_data.9d8f04d0fcd1b
        format: 2
, h- U, f9 m1 |$ e4 N- @* z        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
; X0 ^9 G! s4 X5 S1 J* h8 d& E( q        flags:
6 d; \" K$ Y4 X" Y# ^; `        create_timestamp: Sun Nov 17 15:41:19 2024
. P  D1 S; m, w$ b. v) P# ^        access_timestamp: Sun Nov 17 15:41:19 2024
        modify_timestamp: Sun Nov 17 15:41:19 2024
" W: V6 m  k' t  [2 h
+ V: }+ S; {1 o9 s卷扩容        rbd resize <pool>/<image> --size 20<GB>

+ |5 J# W$ D# j9 [! R/ ?( o$ rbd resize volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9 --size 1024GB
; I3 ^4 X+ D; N3 p) kResizing image: 100% complete...done.
- V* o& ]% p3 n! n9 v
5 @' Q0 S# }; M, B7 [7 Z" f) d$ rbd info volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
rbd image 'CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9':
        size 1 TiB in 262144 objects
        order 22 (4 MiB objects)
) N- h4 }' F/ f        snapshot_count: 0
2 `  [+ Q: _$ K" W* \" _: G0 M* {' h        id: 9d8f04d0fcd1b
        block_name_prefix: rbd_data.9d8f04d0fcd1b
        format: 2
        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
2 i  F/ q( s: `* |        flags:
5 h) P! \7 y* u; C        create_timestamp: Sun Nov 17 15:41:19 2024
3 T+ y  @9 k4 f* M        access_timestamp: Sun Nov 17 15:41:19 2024
        modify_timestamp: Sun Nov 17 15:41:19 2024
% n  y9 |/ [, ^+ @- x! b

" P) V- B' a. L+ `# _( _

admin

$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`date  +'%Y-%m-%d'`-`uuidgen`
7 N: u% E$ W" Y8 I& U0 l
- N, G/ K- @9 ^) X$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`date  +'%Y-%m-%d'`-`uuidgen`
: j# a0 ^% m' i7 FImage copy: 100% complete...done.

admin

$ virsh define gm268-3-vm-1.xml
6 P% `! O0 j* }) U& D% ]; `1 L! lDomain gm268-3-vm-1 defined from gm268-3-vm-1.xml

7 ]- b  Z9 `, b+ q$ u( Uroot@gm268-3 17:17:30 ~
0 w, N2 G; A. W) E5 U. s7 z$ virsh list --all
' f3 Y7 o' @: k) `  T6 |, V1 ? Id   Name           State
-------------------------------
1 A4 @7 j7 T" L -    gm268-3-vm-1   shut off