Hi Alex,
thanks a lot for your reply. This sounds interesting. I'm using a prebuilt version deployed via cephadm, it's using some containers pulled from quay.io.
Right now, I'm too scared to build his myself for the production system... Thinking about setting up a VM which mounts the cephfs via mount.ceph and exports it via regular NFS as a workaround... (Can't directly use mount.ceph due to old kernel verisons on some clients.)
Best,
Patrick
-----Ursprüngliche Nachricht-----
Von: Alex Walender <awalende@xxxxxxxxxxxxxxxxxxxxxxxx>
Gesendet: Mittwoch, 15. März 2023 13:19
An: ceph-users@xxxxxxx
Betreff: Re: Ganesha NFS: Files disappearing
Hey Patrick,
I had a somewhat similar issue but with FSAL_RGW.
On the NFS-side, I noticed missing files. There were no errors in the logfiles whatsoever.
Solution was to rebuild nfs-ganesha with the most recent libceph-dev at that time.
Are you using pre-built ganesha binaries or did you compile it yourself?
Best Regards,
Alex Walender
Am 15.03.23 um 12:02 schrieb Patrick Schlangen:
> Hi,
>
> today I saw a strange situation where files which were copied to a cephfs via Ganesha NFS (deployed via cephadm) disappeared from the NFS directory and then did not show up anymore until I restarted the ganesha instance. This could be observed on different NFS client hosts. While the files were not showing, they could still be seen via cephfs-shell, so I assume the issue is somewhere on the NFS side. Interestingly, the folder modification time (shown in ls) matched the time the file was copied to that folder.
>
> Any idea what could be the issue here? Unfortunately there were no interesting logs and I couldn't find a way yet to reproduce this.
>
> The ceph version in use is 17.2.5.
>
> Thanks,
>
> Patrick
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--
M.Sc Alex Walender
Forschungszentrum Jülich
Institut für Bio- und Geowissenschaften
IBG 5 - Computergestützte Metagenomik /
de.NBI Cloud Site Bielefeld
Büro : Universität Bielefeld (UHG), M3-118 Tel. : +49-521-106-2907
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