Re: Antw: Re: Flood of 'failed to encode map X with expected crc' on 1800 OSD cluster after upgrade

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> Op 12 juli 2016 om 12:18 schreef Steffen Weißgerber <WeissgerberS@xxxxxxx>:
> 
> 
> 
> 
> >>> Christian Balzer <chibi@xxxxxxx> schrieb am Dienstag, 12. Juli 2016 um 08:47:
> 
> > Hello,
> > 
> > On Tue, 12 Jul 2016 08:39:16 +0200 (CEST) Wido den Hollander wrote:
> > 
> >> Hi,
> >> 
> >> I am upgrading a 1800 OSD cluster from Hammer 0.94.5 to 0.94.7 prior to 
> > going to Jewel and while doing so I see the monitors being flooded with these 
> > messages:
> >>
> > Google is your friend (and so is the NSA):
> > ---
> > http://www.spinics.net/lists/ceph-devel/msg30450.html 
> > ---
> > 
> > That's also one of the reasons that despite only having a fraction of your
> > or Dan's OSDs I'm not upgrading to 0.94.7...
> 
> ... and is there 'light at the end of the tunnel' ?
> 

Well, after the upgrade to .7 the cluster is still running just fine.

Wido

> > 
> > Christian
> > 
> 
> Steffen
> 
> >> 2016-07-12 08:28:12.919748 osd.1200 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.921943 osd.1338 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.923814 osd.353 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.939370 osd.1200 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.941482 osd.1338 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.960100 osd.1338 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:12.979404 osd.1338 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.012463 osd.353 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.039417 osd.353 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.079893 osd.353 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.111176 osd.575 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.135279 osd.353 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 2016-07-12 08:28:13.144697 osd.575 [WRN] failed to encode map e130549 with 
> > expected crc
> >> 
> >> This just goes on and on. The flood of messages cause the monitors to start 
> > consuming a bit of CPU which makes the cluster operate slower.
> >> 
> >> I am restarting the OSDs slowly and when I stop doing so the messages 
> > disappear and the cluster operates just fine.
> >> 
> >> I know that the messages pop up due to a version mismatch, but is there any 
> > way to suppress them?
> >> 
> >> Wido
> >> _______________________________________________
> >> ceph-users mailing list
> >> ceph-users@xxxxxxxxxxxxxx 
> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com 
> >> 
> > 
> > 
> > -- 
> > Christian Balzer        Network/Systems Engineer                
> > chibi@xxxxxxx   	Global OnLine Japan/Rakuten Communications
> > http://www.gol.com/ 
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users@xxxxxxxxxxxxxx 
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
> -- 
> Klinik-Service Neubrandenburg GmbH
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