Hi,
See:
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2018-February/025092.html
Might be of interest.
Dietmar
Am 12. März 2018 18:19:51 MEZ schrieb Reed Dier <reed.d...@focusvq.com>:
>Figured I would see if anyone has seen this or can see something I am
>doing wrong.
>
>Upgrading all of my daemons from 12.2.2. to 12.2.4.
>
>Followed the documentation, upgraded mons, mgrs, osds, then mds’s in
>that order.
>
>All was fine, until the MDSs.
>
>I have two MDS’s in Active:Standby config. I decided it made sense to
>upgrade the Standby MDS, so I could gracefully step down the current
>active, after the standby was upgraded.
>
>However, when I upgraded the standby, it caused the working active to
>suicide, and the then standby to immediately rejoin as active when it
>restarted, which didn’t leave me feeling warm and fuzzy about upgrading
>MDS’s in the future.
>
>Attaching log entries that would appear to be the culprit.
>
>> 2018-03-12 13:07:38.981339 7ff0cdc40700 0 mds.0 handle_mds_map
>mdsmap compatset compat={},rocompat={},incompat={1=base v0.20,2=client
>writeable ranges,3=default file layouts on dirs,4=dir inode in separate
>object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no
>anchor table,9=file layout v2} not writeable with daemon features
>compat={},rocompat={},incompat={1=base v0.20,2=client writeable
>ranges,3=default file layouts on dirs,4=dir inode in separate
>object,5=mds uses versioned encoding,6=dirfrag is stored in omap,7=mds
>uses inline data,8=file layout v2}, killing myself
>> 2018-03-12 13:07:38.981353 7ff0cdc40700 1 mds.0 suicide. wanted
>state up:active
>> 2018-03-12 13:07:40.000753 7ff0cdc40700 1 mds.0.119543 shutdown:
>shutting down rank 0
>> 2018-03-12 13:08:27.325667 7f32cc992200 0 set uid:gid to 64045:64045
>(ceph:ceph)
>> 2018-03-12 13:08:27.325687 7f32cc992200 0 ceph version 12.2.4
>(52085d5249a80c5f5121a76d6288429f35e4e77b) luminous (stable), process
>(unknown), pid 66854
>> 2018-03-12 13:08:27.326795 7f32cc992200 0 pidfile_write: ignore
>empty --pid-file
>> 2018-03-12 13:08:32.350266 7f32c6440700 1 mds.0 handle_mds_map
>standby
>
>Hopefully there may be some config issue with my mds_map or something
>like that which may be an easy fix to prevent something like this in
>the future.
>
>Thanks,
>
>Reed
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--
_______________________________________________
D i e t m a r R i e d e r, Mag.Dr.
Innsbruck Medical University
Biocenter - Division for Bioinformatics
Innrain 80, 6020 Innsbruck
Phone: +43 512 9003 71402
Fax: +43 512 9003 73100
Email: dietmar.rie...@i-med.ac.at
Web: http://www.icbi.at
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