Hi,
that specifies a range of (to be) removed snapshots. Do you have rbd
mirroring configured or some scripted snapshot creation/deletion?
Snapshot deletion is an asynchronous operation, so they are added to
the queue and deleted at some point. Does the status/range change?
Which exact Octopus version are you running? I have two test clusters
(latest Octopus) with rbd mirroring and when I set that up I expected
to see something similar, in earlier Ceph versions that was visible in
the pool ls detail output. Anyway, I wouldn't worry about it as long
as the queue doesn't grow and the snaps are removed eventually. You
should see the snaptrimming in the 'ceph -s' output as well, the PGs
have a respective state (active+snaptrim or active+snaptrim_wait). I
write this from memory, so the PG state might differ a bit.
You just need to be aware of the impacts of many snapshots for many
images, I'm still investigating a customer issue, some of the results
I posted in this list [1].
Regards,
Eugen
[1]
https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/ZEMGKBLMEREBZB7SWOLDA6QZX3S7FLL3/#YAHVTTES6YU5IXZJ2UNXKURXSHM5HDEX
Zitat von Work Ceph <work.ceph.user.mail...@gmail.com>:
Hello guys,
We are facing/seeing an unexpected mark in one of our pools. Do you guys
know what does "removed_snaps_queue" it mean? We see some notation such as
"d5~3" after this tag. What does it mean? We tried to look into the docs,
but could not find anything meaningful.
We are running Ceph Octopus on top of Ubuntu 18.04.
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