A yes, sorry about that. I actually have the issue on two images and I seem to have mixed them up when I was putting together the example, here is a correct one:
# rbd info images/f3f4c73f-2eec-4af1-9bdf-4974a747607b
rbd image 'f3f4c73f-2eec-4af1-9bdf-4974a747607b':
size 8 GiB in 1024 objects
order 23 (8 MiB objects)
snapshot_count: 1
id: 1ae08970c6321e
block_name_prefix: rbd_data.1ae08970c6321e
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
op_features:
flags:
create_timestamp: Mon Apr 1 14:01:57 2019
access_timestamp: Thu Jun 23 11:23:11 2022
# rbd snap ls images/f3f4c73f-2eec-4af1-9bdf-4974a747607b
SNAPID NAME SIZE PROTECTED TIMESTAMP
40 snap 8 GiB yes Mon Apr 1 14:03:55 2019
# rbd snap rm images/f3f4c73f-2eec-4af1-9bdf-4974a747607b@snap
Removing snap: 0% complete...failed.
rbd: snapshot 'snap' is protected from removal.
# rbd snap unprotect images/f3f4c73f-2eec-4af1-9bdf-4974a747607b@snap
rbd: unprotecting snap failed: (16) Device or resource busy
# rbd children images/f3f4c73f-2eec-4af1-9bdf-4974a747607b@snap
rbd: listing children failed: (2) No such file or directory
/Niklas
________________________________
From: Wesley Dillingham <wes@xxxxxxxxxxxxxxxxx>
Sent: Thursday, October 6, 2022 20:11
To: Niklas Jakobsson <Niklas.Jakobsson@xxxxxxxxxxxxxxxx>
Cc: ceph-users@xxxxxxx <ceph-users@xxxxxxx>
Subject: Re: Can't delete or unprotect snapshot with rbd
[EXTERNAL]
You are demo'ing two RBDs here: images/f3f4c73f-2eec-4af1-9bdf-4974a747607b seems to have 1 snapshot yet later when you try to interact with the snapshot you are doing so with a different rbd/image altogether: images/1fcfaa6b-eba0-4c75-b77d-d5b3ab4538a9
Respectfully,
Wes Dillingham
wes@xxxxxxxxxxxxxxxxx<mailto:wes@xxxxxxxxxxxxxxxxx>
LinkedIn<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fwesleydillingham&data=05%7C01%7CNiklas.Jakobsson%40kindredgroup.com%7C81206dd028554c3579cb08daa7c64921%7C82ff090d4ac0439f834a0c3f3d5f33ce%7C1%7C1%7C638006767323871099%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000%7C%7C%7C&sdata=rw0%2BWJSIXMJw9HH85L0X9OcrUxARmWiWZvUrnIzLy24%3D&reserved=0>
On Thu, Oct 6, 2022 at 9:13 AM Niklas Jakobsson <Niklas.Jakobsson@xxxxxxxxxxxxxxxx<mailto:Niklas.Jakobsson@xxxxxxxxxxxxxxxx>> wrote:
Hi,
I have an issue with a rbd image that I can't delete.
I have tried this:
# rbd info images/f3f4c73f-2eec-4af1-9bdf-4974a747607b@snap
rbd image 'f3f4c73f-2eec-4af1-9bdf-4974a747607b':
size 8 GiB in 1024 objects
order 23 (8 MiB objects)
snapshot_count: 1
id: 1ae08970c6321e
block_name_prefix: rbd_data.1ae08970c6321e
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
op_features:
flags:
create_timestamp: Mon Apr 1 14:01:57 2019
access_timestamp: Thu Jun 23 11:23:11 2022
protected: True
# rbd snap ls images/f3f4c73f-2eec-4af1-9bdf-4974a747607b
SNAPID NAME SIZE PROTECTED TIMESTAMP
40 snap 8 GiB yes Mon Apr 1 14:03:55 2019
# rbd children images/1fcfaa6b-eba0-4c75-b77d-d5b3ab4538a9@snap
rbd: listing children failed: (2) No such file or directory
# rbd snap unprotect images/1fcfaa6b-eba0-4c75-b77d-d5b3ab4538a9@snap
rbd: unprotecting snap failed: (16) Device or resource busy
---
So, it looks like something is still referencing that snapshot but the reference seems broken.
Any advice here would be helpful, Thanks!
/Niklas
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