Hi Florian, If you can trigger this with logs, we're very eager to see what they say about this! The http://tracker.ceph.com/issues/5336 bug is open to track this issue. Thanks! sage On Thu, 13 Jun 2013, Smart Weblications GmbH - Florian Wiessner wrote: > Hi, > > Is really no one on the list interrested in fixing this? Or am i the only one > having this kind of bug/problem? > > Am 11.06.2013 16:19, schrieb Smart Weblications GmbH - Florian Wiessner: > > Hi List, > > > > i observed that an rbd rm <image> results in some osds mark one osd as down > > wrongly in cuttlefish. > > > > The situation gets even worse if there are more than one rbd rm <image> running > > in parallel. > > > > Please see attached logfiles. The rbd rm command was issued on 20:24:00 via > > cronjob, 40 seconds later the osd 6 got marked down... > > > > > > ceph osd tree > > > > # id weight type name up/down reweight > > -1 7 pool default > > -3 7 rack unknownrack > > -2 1 host node01 > > 0 1 osd.0 up 1 > > -4 1 host node02 > > 1 1 osd.1 up 1 > > -5 1 host node03 > > 2 1 osd.2 up 1 > > -6 1 host node04 > > 3 1 osd.3 up 1 > > -7 1 host node06 > > 5 1 osd.5 up 1 > > -8 1 host node05 > > 4 1 osd.4 up 1 > > -9 1 host node07 > > 6 1 osd.6 up 1 > > > > > > I have seen some patches to parallelize rbd rm, but i think there must be some > > other issue, as my clients seem to not be able to do IO when ceph is > > recovering... I think this has worked better in 0.56.x - there was IO while > > recovering. > > > > I also observed in the log of osd.6 that after heartbeat_map reset_timeout, the > > osd tries to connect to the other osds, but it retries so fast that you could > > think this is a DoS attack... > > > > > > Please advise.. > > > > > -- > > Mit freundlichen Gr??en, > > Florian Wiessner > > Smart Weblications GmbH > Martinsberger Str. 1 > D-95119 Naila > > fon.: +49 9282 9638 200 > fax.: +49 9282 9638 205 > 24/7: +49 900 144 000 00 - 0,99 EUR/Min* > http://www.smart-weblications.de > > -- > Sitz der Gesellschaft: Naila > Gesch?ftsf?hrer: Florian Wiessner > HRB-Nr.: HRB 3840 Amtsgericht Hof > *aus dem dt. Festnetz, ggf. abweichende Preise aus dem Mobilfunknetz > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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