On Sat, Nov 14, 2015 at 8:29 AM, Artie Ziff <artie.ziff@xxxxxxxxx> wrote:
> Hello!
>
> I see similar behavior on a build of version 9.2.0-702-g7d926ce
>
> Single node.
> Ceph Mon only service that is running.
>
> In Ceph configuration file (/etc/ceph/ceph.conf)
> ms_crc_header = false
>
> $ ceph -s
> 2015-11-13 16:06:24.594453 7f6944221700 0 -- 17.10.10.60:0/1019560 >>
> 17.10.10.60:6789/0 pipe(0x7f6940020260 sd=3 :55541 s=2 pgs=3 cs=1 l=1
> c=0x7f69400204f0).reader got bad header crc 2721288891 != 0
>
> Commenting out the ms_crc_header makes ceph status run.
> ; ms_crc_header = false
>
> Kill ceph-mon
> Restart ceph-mon -i hostname
>
> $ ceph -s
> cluster 944fa0af-b7be-45a9-93ff-b9907cfaee3f
> health HEALTH_OK
> monmap e1: 1 mons at {msl-dsma-vm01-10g=10.10.20.60:6789/0}
> election epoch 5, quorum 0 msl-dsma-vm01-10g
> osdmap e20: 4 osds: 4 up, 4 in
> flags sortbitwise
> pgmap v28: 1088 pgs, 9 pools, 0 bytes data, 0 objects
> 20621 MB used, 201 GB / 221 GB avail
> 1088 active+clean
>
>
> What might this indicate?
>
> Thank you for reading! Many thanks!
> az
>
Let me clarify your case, you start your monitor with "ms_crc_header =
false". Then you have a client with "ms_crc_header = true"(because you
commented "false line"). So "ceph -s" will return the mismatch result
because inconsistent crc config.
>
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>
--
Best Regards,
Wheat
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