MDS crashes to damaged metadata

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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?

Best regards
Felix


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Forschungszentrum Juelich GmbH
52425 Juelich
Sitz der Gesellschaft: Juelich
Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Volker Rieke
Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt (Vorsitzender),
Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt,
Dr. Astrid Lambrecht, Prof. Dr. Frauke Melchior
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