[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Remus : VM on backup not in pause state
On Thu, Jul 22, 2010 at 2:49 PM, Brendan Cully <brendan@xxxxxxxxx> wrote: > On Thursday, 22 July 2010 at 13:45, Dulloor wrote: >> My setup is as follows : >> - xen : unstable (rev:21743) >> - Dom0 : pvops (branch : stable-2.6.32.x, >> rev:01d9fbca207ec232c758d991d66466fc6e38349e) >> - Guest Configuration : >> ------------------------------------------------------------------------------------------ >> kernel = "/usr/lib/xen/boot/hvmloader" >> builder='hvm' >> name = "linux-hvm" >> vcpus = 4 >> memory = 2048 >> vif = [ 'type=ioemu, bridge=eth0, mac=00:1c:3e:17:22:13' ] >> disk = [ 'phy:/dev/XenVolG/hvm-linux-snap-1.img,hda,w' ] >> device_model = '/usr/lib/xen/bin/qemu-dm' >> boot="cd" >> sdl=0 >> vnc=1 >> vnclisten="0.0.0.0" >> vncconsole=0 >> vncpasswd='' >> stdvga=0 >> superpages=1 >> serial='pty' >> ------------------------------------------------------------------------------------------ >> >> - Remus command : >> # remus --no-net linux-hvm <dst-ip> >> >> - On primary : >> # xm list >> Name ID Mem VCPUs State >> Time(s) >> linux-hvm 9 2048 4 -b-s-- >> 10.8 >> >> - On secondary : >> # xm list >> Name ID Mem VCPUs State >> Time(s) >> linux-hvm 11 2048 4 -b---- >> 1.9 >> >> >> I have to issue "xm pause/unpause" explicitly for the backup VM. >> Any recent changes ? > > This probably means there was a timeout on the replication channel, > interpreted by the backup as a failure of the primary, which caused it > to activate itself. You should see evidence of that in the remus > console logs and xend.log and daemon.log (for the disk side). > > Once you've figured out where the timeout happened it'll be easier to > figure out why. > Please find the logs attached. I didn't find anything interesting in daemon.log. What does remus log there ? I am not using disk replication, since I have issues with that .. but that's for another email :) The only visible error is in xend-secondary.log around xc_restore : [2010-07-22 16:15:37 2056] DEBUG (balloon:207) Balloon: setting dom0 target to 5 765 MiB. [2010-07-22 16:15:37 2056] DEBUG (XendDomainInfo:1467) Setting memory target of domain Domain-0 (0) to 5765 MiB. [2010-07-22 16:15:37 2056] DEBUG (XendCheckpoint:290) [xc_restore]: /usr/lib/xen /bin/xc_restore 5 1 5 6 1 1 1 0 [2010-07-22 16:18:42 2056] INFO (XendCheckpoint:408) xc: error: Error when reading pages (11 = Resource temporarily unavailabl): Internal error [2010-07-22 16:18:42 2056] INFO (XendCheckpoint:408) xc: error: error when buffering batch, finishing (11 = Resource temporarily unavailabl): Internal error If you haven't seen this before, please let me know and I will try debugging more. -dulloor _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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