Re: MDS: corrupted header/values: decode past end of struct encoding: Malformed input

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On 10/4/21 12:10, von Hoesslin, Volker wrote:
Here (see attachment) is a more verbose log output, perhaps someone can see more than I have already mentioned.


-7633> 2021-10-04T11:27:17.434+0200 7f529f998700 4 mds.0.purge_queue operator(): data pool 4 not found in OSDMap

^^ What is this all about. What does a ceph osd dump | grep "pool 4" return?

-7598> 2021-10-04T11:27:17.438+0200 7f529998c700 -1 mds.0.openfiles _load_finish: corrupted header/values: void Anchor::decode(ceph::buffer::v15_2_0::list::const_iterator&) decode past end of struct encoding: Malformed input

^^ openfiles object(s) corrupted.

I don't get it why the Ceph client metrics are unhandled:

-5040> 2021-10-04T11:27:19.446+0200 7f529f998700 0 ms_deliver_dispatch: unhandled message 0x5651e7533760 client_metrics [client_metric_type: CAP_INFO cap_hits: 519404 cap_misses: 35742 nu m_caps: 0][client_metric_type: READ_LATENCY latency: 0.000000][client_metric_type: WRITE_LATENCY latency: 0.000000][client_metric_type: METADATA_LATENCY latency: 5978883.188000][client_metr ic_type: DENTRY_LEASE dlease_hits: 288544 dlease_misses: 0 num_dentries: 1] v1 from client.103629506 v1:100.64.0.48:0/1970528122

Support for client side metrics is supported since Pacific (https://docs.ceph.com/en/pacific/cephfs/cephfs-top/#cephfs-top). Or is this unhandled because you have not enabled the "stats" module?

Gr. Stefan
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