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rbd删除卷时报错，反馈如下
8 v) ?3 O$ J' ]6 ?# rbd rm pool_name/volume_name
% b5 U- N& {! M; p+ W+ i) Y1 G2021-10-25 10:32:42.192 7f789c502c80 -1 librbd::image::PreRemoveRequest: 0x5610334fcc40 check_image_snaps: image has snapshots - not removing
8 C1 ~% [: b) u2 x; X6 lRemoving image: 0% complete...failed.+ x# x6 ?, i) i, f) L+ A/ \
rbd: image has snapshots - these must be deleted with 'rbd snap purge' before the image can be removed.8 ?. o; C$ S5 ?: [% j2 ?
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[root@compute05 data]# rbd rm images/39a2e9a9-2ce5-454a-bd66-47f15eeb11ea + L/ Z4 [& v Q* ]8 M
2022-06-29 14:34:02.548 7fb15bf9db00 -1 librbd::image::PreRemoveRequest: 0x5607e27ae6f0 check_image_snaps: image has snapshots - not removing$ K0 h! B6 o" [3 C( G, ?
Removing image: 0% complete...failed.( J; x3 g2 s! l
rbd: image has snapshots - these must be deleted with 'rbd snap purge' before the image can be removed., C; L4 x/ |& b9 W, s+ [
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& ~7 s( `+ k) M! k/ \ D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
4 X! }" x9 F) a: Y! ]0 q# q# rbd snap list pool_name/volume_name+ l0 o) C5 G- v- k4 ^: v+ O5 r: y
SNAPID NAME SIZE PROTECTED TIMESTAMP
6 ?3 R k2 Z" P+ {" ?4 i8 n 10 tempkoswji 1 GiB yes Tue Oct 19 11:16:07 2021
0 I& w3 C) W3 L9 k8 X# rbd snap rm pool_name/volume_name@tempkoswji
; E* l7 j& Q$ f8 v; w7 I6 a0 B) kRemoving snap: 100% complete...done.# U' r* j; g, p, J" C
# rbd rm pool_name/volume_name
4 N) O: B) R" Q6 TRemoving image: 100% complete...done.# [! m- l% U! i" ^/ p
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注：还存在一种情况，快照删除失败 6 ~& S7 I( `- k: g
此时可能是快照做过克隆，需找到克隆出的卷，进行还原
2 q9 k& U# ~; k# rbd flatten pool_name/kelong& i5 V9 X2 Y2 q4 Z3 r6 p6 @7 s
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还原之后对快照进行解保护，快照即可删除
9 v' h- A. S/ N3 Q7 ]# rbd unprotect pool_name/volume_name@snap_name
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发表于 2022-6-29 15:30:06