Hello,
We've noticed an old ceph mirror snapshot named "trash" which uses a lot of space. How to delete it ?
Snap exists and can be mounted :
Maybe something to edit in the header ?
Any clues about how to unhide and delete this snapshot are welcome.
Thank you !
We've noticed an old ceph mirror snapshot named "trash" which uses a lot of space. How to delete it ?
Bash:
# rbd snap ls --all rbd/image
SNAPID NAME SIZE PROTECTED TIMESTAMP NAMESPACE
387 0a8da... 8 TiB Mon May 20 21:05:01 2024 trash (.mirror.primary...)
</pre>
# rbd snap rm rbd/image@0a8da...
Removing snap: 0% complete...failed.
rbd: failed to remove snapshot: (2) No such file or directorySnap exists and can be mounted :
Bash:
# rbd device map -p rbd image --snap-id 387 --read-onlyMaybe something to edit in the header ?
Bash:
# rados listomapvals rbd_header.xxx
snapshot_0000000000000183
value (191 bytes) :
00000000 08 08 b9 00 00 00 83 01 00 00 00 00 00 00 24 00 |..............$.|
00000010 00 00 30 61 38 64 61 63 31 66 2d 30 38 34 31 2d |..0a8dac1f-0841-|
...
00000030 36 34 63 39 65 39 00 00 00 00 00 08 00 00 00 00 |64c9e9..........|
00000040 00 00 00 00 00 00 00 01 01 65 00 00 00 02 00 00 |.........e......|
00000050 00 59 00 00 00 2e 6d 69 72 72 6f 72 2e 70 72 69 |.Y....mirror.pri|
00000060 6d 61 72 79 2e 33 39 66 63 37 31 39 33 2d 38 35 |mary.39fc7193-85|
...
000000a0 34 2d 30 63 65 38 64 65 30 30 30 62 31 61 03 00 |4-0ce8de000b1a..|
000000b0 00 00 dd 9e 4b 66 14 0a 89 29 00 00 00 00 00 |....Kf...).....|
000000bfAny clues about how to unhide and delete this snapshot are welcome.
Thank you !