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rbd删除卷时报错，反馈如下
+ A- h4 s9 @5 f% i" ~) J# rbd rm pool_name/volume_name7 H" h0 q0 T9 M4 W0 _/ L8 _9 e1 J8 ~, T
2021-10-25 10:32:42.192 7f789c502c80 -1 librbd::image::PreRemoveRequest: 0x5610334fcc40 check_image_snaps: image has snapshots - not removing2 S3 q g+ u; n, e2 ~
Removing image: 0% complete...failed.5 P9 i* s, `* p+ _7 M
rbd: image has snapshots - these must be deleted with 'rbd snap purge' before the image can be removed.
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[root@compute05 data]# rbd rm images/39a2e9a9-2ce5-454a-bd66-47f15eeb11ea ) u$ g) {9 p; U# d, K R
2022-06-29 14:34:02.548 7fb15bf9db00 -1 librbd::image::PreRemoveRequest: 0x5607e27ae6f0 check_image_snaps: image has snapshots - not removing0 I# g0 R9 P: `8 U; x
Removing image: 0% complete...failed.
8 I5 M7 x% u, h* d7 L* Brbd: image has snapshots - these must be deleted with 'rbd snap purge' before the image can be removed.
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. _2 i+ P9 n+ S( K# ]' y# G此时是因为有快照存在，所以无法删除。 使用snap list命令可以查看卷下快照，后snap rm删除即可。 若提示快照保护状态还需执行rbd unprotect进行解保护 3 i U! |% \" q8 N D& P$ C
# rbd snap list pool_name/volume_name% H1 k" a @' z$ y5 P1 P
SNAPID NAME SIZE PROTECTED TIMESTAMP 3 t# K5 ^" E& C+ B; ]( v" K7 _
10 tempkoswji 1 GiB yes Tue Oct 19 11:16:07 2021
2 c( d8 [- T- `, Q/ p# rbd snap rm pool_name/volume_name@tempkoswji
, e1 X$ s" p& O9 ^% Z3 tRemoving snap: 100% complete...done.9 |) r2 R: e1 A, y
# rbd rm pool_name/volume_name1 D( |& J- V; U
Removing image: 100% complete...done.) @0 Z2 ^% t5 B' k2 v' e8 N3 a h+ k
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注：还存在一种情况，快照删除失败
- z* g: i+ R9 N) k5 P& o6 S此时可能是快照做过克隆，需找到克隆出的卷，进行还原
8 a8 Y+ j( o, ^% r) K* e: {# rbd flatten pool_name/kelong
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还原之后对快照进行解保护，快照即可删除 % z! j2 p% n; v( _
# rbd unprotect pool_name/volume_name@snap_name$ S- Z5 s4 a" Y( x" ?! i$ Q3 Q
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发表于 2022-6-29 15:30:06