Hi,

this reminds me of my own experiment [0]. Did you enable new snapshots [1]?

$ ceph fs set <fs_name> allow_new_snaps true

Regards,
Eugen

[0] https://tracker.ceph.com/issues/67790#note-4
[1] https://docs.ceph.com/en/reef/dev/cephfs-snapshots/#creating-a-snapshot

Zitat von Sophonet <c...@sky.brightspace.de>:

Quick update / follow-up question:

In the mgr logs I have seen that the schedule is indeed running, but snapshots cannot be created due to an error when cephfs.LibCephFS.mkdir ist called (Operation not permitted). Apparently, the scheduler is not using client.admin as ID (for the keyring when connecting to the target filesystem), since "ceph auth get client.admin" shows "caps mds = allow *".

I have not found any documentation about setting the client.ID for a schedule. Any hints how the permission error can be avoided?

Thanks,

sophonet

(I am posting this update for the third time now, hoping that the two earlier attempts that did not show up in the list are not just delayed...)
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