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>
下面的操作实例：
( @! }8 D7 l7 ~4 s. o0 N. x$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`uuidgen`
Image copy: 100% complete...done.
" H. V7 M" Y6 @1 q- troot@gm268-5 15:41:35 ~
$

$ rbd ls -p volumes
CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
CentOS8.3-2011-mode
! B" s+ q- b" h! RopenEuler-imge
! z' u4 \: v* W3 z1 c' l7 gopenEuler-imge-mode
/ ?% [+ J+ k3 e1 X' \4 F& x1 }root@gm268-5 15:42:34 ~
$
$ rbd info volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9
; W: [9 @- E& W1 ?' Y- rrbd image 'CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9':
' f7 p3 o* X: M        size 5 GiB in 1280 objects
9 R4 ]' p' d/ C8 R7 Q- T0 |2 A        order 22 (4 MiB objects)
        snapshot_count: 0
        id: 9d8f04d0fcd1b
2 {$ }: j1 j" Y& u: `3 F; W/ Q        block_name_prefix: rbd_data.9d8f04d0fcd1b
        format: 2
; P, z6 T- \2 C6 u2 x" x) l        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
        flags:
) v. a% A) |- M8 N        create_timestamp: Sun Nov 17 15:41:19 2024
" G9 n/ j! W! w4 E5 K# y8 R! }        access_timestamp: Sun Nov 17 15:41:19 2024
        modify_timestamp: Sun Nov 17 15:41:19 2024
3 T4 E! m- r# x' @6 u( h
卷扩容        rbd resize <pool>/<image> --size 20<GB>

$ rbd resize volumes/CentOS8.3-2011-7cbf9bed-763e-4bdf-9ea5-b72aeaba98a9 --size 1024GB
2 z- o( t: u% l: s. V6 F( qResizing image: 100% complete...done.

$ 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
* D" w0 f; ]1 t: q. w- G  Y* I" f        order 22 (4 MiB objects)
        snapshot_count: 0
        id: 9d8f04d0fcd1b
        block_name_prefix: rbd_data.9d8f04d0fcd1b
; t1 v  i' [) D" b        format: 2
0 \+ \& O2 R" L0 h1 u7 u        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
+ w0 x7 F7 ]8 D' P        flags:
        create_timestamp: Sun Nov 17 15:41:19 2024
        access_timestamp: Sun Nov 17 15:41:19 2024
        modify_timestamp: Sun Nov 17 15:41:19 2024

admin

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

% D5 I1 _1 r  j2 ?! A! F  V% w$ rbd cp volumes/CentOS8.3-2011-mode volumes/CentOS8.3-2011-`date  +'%Y-%m-%d'`-`uuidgen`
0 S3 {; [7 P: z( x  w" WImage copy: 100% complete...done.

admin

$ virsh define gm268-3-vm-1.xml
5 y9 @  ^0 g- QDomain gm268-3-vm-1 defined from gm268-3-vm-1.xml
6 z& F6 a' N# A  a! x" L
root@gm268-3 17:17:30 ~
2 p% _, V3 q, d7 k$ virsh list --all
1 G7 t$ \. p& I Id   Name           State
-------------------------------
4 E! l0 y8 S- v  B; T7 { -    gm268-3-vm-1   shut off