Re: MDS crashes to damaged metadata

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On Wed, Nov 30, 2022 at 3:10 PM Stolte, Felix <f.stolte@xxxxxxxxxxxxx> wrote:
>
> Hey guys,
>
> our mds daemons are crashing constantly when someone is trying to delete a file:
>
> -26> 2022-11-29T12:32:58.807+0100 7f081b458700 -1 /build/ceph-16.2.10/src/mds/Server.cc<http://server.cc/>: In function 'void Server::_unlink_local(MDRequestRef&, CDentry*, CDentry*)' thread 7f081b458700 time 2022-11-29T12:32:58.808844+0100
>
> 2022-11-29T12:32:58.807+0100 7f081b458700  4 mds.0.server handle_client_request client_request(client.1189402075:14014394 unlink #0x100197fa8e0/~$29.11. T.xlsx 2022-11-29T12:32:23.711889+0100 RETRY=1 caller_uid=133365,
>
> I observed that the corresponding object in the cephfs data pool does not exist. Basically our MDS Daemons are crashing each time, when somone tries to delete a file which does not exist in the data pool but metadata says otherwise.
>
> Any suggestions how to fix this problem?

Is this it?

https://tracker.ceph.com/issues/38452

Are you running postgres on CephFS by chance?

-- 
Patrick Donnelly, Ph.D.
He / Him / His
Principal Software Engineer
Red Hat, Inc.
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D

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