Re: One mds daemon damaged, filesystem is offline. How to recover?

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 Hi Eugen
Thanks for the reply.
Ceph Version:# ceph versionceph version 14.2.11 (f7fdb2f52131f54b891a2ec99d8205561242cdaf) nautilus (stable)

> Can you share
>
> rados list-inconsistent-obj 2.44
># rados list-inconsistent-obj 2.44
{"epoch":6996,"inconsistents":[]}

> ceph tell mds.<MDS> damage ls
>
# ceph tell mds.a damage ls
2021-05-22 13:23:34.135 80bf25c00  0 client.4344312 ms_handle_reset on v2:192.168.1.130:6810/3532878906
2021-05-22 13:23:34.146 80dcc2500  0 client.4344318 ms_handle_reset on v2:192.168.1.130:6810/3532878906
Error EINVAL: MDS not active

> The pool size is 3, right?
>
Yes, pool size is 3.

Above Ceph error messages shows "fs cephfs mds.0 is damaged". My MDS are named a,b and c. Does mds.0 means mds.a?
Since I have 2 MDS not damaged, how do I recover and mount the CephFS?
Btw, our home directories are on CephFS, at the moment, no one can log in.
Sagara

  
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