rbd: error: image still has watchers ceph删除文件报错

admin

rbd: error: image still has watchers
9 b! q" Z- B6 c
2021-06-09 11:07:10.268 7f106f7fe700 -1 librbd::image::PreRemoveRequest: 0x55a195e2a990 handle_exclusive_lock: cannot obtain exclusive lock - not removing
Removing image: 0% complete...failed.
rbd: error: image still has watchers
/ ^+ ?8 t. V' L: h2 L/ JThis means the image is still open or the client using it crashed. Try again after closing/unmapping it or waiting 30s for the crashed client to timeout.

. G0 t- V3 ]9 O+ c! u解决办法：
+ V* {# I" \! F6 ~* |5 l* L1 L/ ^经过排查应该是有虚机在使用。

admin

rbd snap list 0fa46015-aa49-438d-9f63-42b0ade623b5 -p images
6 r. @0 G% x$ R4 o, Nrbd snap unprotect images/06612a88-8e05-41b3-8e75-e29351dff412@snap
) W' ^& M, ^1 G. srbd snap purge 06612a88-8e05-41b3-8e75-e29351dff412 -p images
rbd remove 06612a88-8e05-41b3-8e75-e29351dff412  -p images

admin

[root@host09 ~]# rbd info -p images 5f9362c5-62c7-481d-bd90-b82fcfcb973a
" ~0 P/ [! b8 T8 Crbd image '5f9362c5-62c7-481d-bd90-b82fcfcb973a':
* h3 h1 _7 w) Q9 S        size 4 GiB in 512 objects
3 K. z& u# v. k( p5 ?! V/ y        order 23 (8 MiB objects)
        snapshot_count: 1
" z, z; [0 l) N6 e- ]2 G0 D        id: 6f72385bf8fd
        block_name_prefix: rbd_data.6f72385bf8fd
# {: }4 ?  d1 `        format: 2
        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
* v7 x$ M: I; w        op_features:
% y; D4 T. k7 }( G9 G6 O3 M        flags:
        create_timestamp: Wed Jun  2 13:37:44 2021
% T, n4 f+ m8 ~5 p7 N        access_timestamp: Wed Jun  2 13:37:44 2021
3 H0 P0 G7 x. U: u" B- h9 }        modify_timestamp: Wed Jun  2 13:37:44 2021
[root@host09 ~]# rbd snap list 5f9362c5-62c7-481d-bd90-b82fcfcb973a -p images
SNAPID NAME SIZE  PROTECTED TIMESTAMP               
     4 snap 4 GiB yes       Wed Jun  2 13:39:09 2021
5 E" ?/ ]: p/ D& I# G2 u[root@host09 ~]# rbd snap unprotect images/5f9362c5-62c7-481d-bd90-b82fcfcb973a@snap
3 J( M4 ^5 W1 {[root@host09 ~]# rbd snap purge 5f9362c5-62c7-481d-bd90-b82fcfcb973a -p images
Removing all snapshots: 100% complete...done.
( q2 i* {$ `8 j, m7 l[root@host09 ~]# rbd rm 5f9362c5-62c7-481d-bd90-b82fcfcb973a -p images
Removing image: 100% complete...done.