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 Grüßen, 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 Geschäftsführer: Florian Wiessner HRB-Nr.: HRB 3840 Amtsgericht Hof *aus dem dt. Festnetz, ggf. abweichende Preise aus dem Mobilfunknetz -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
