[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Xen reboots on dom-U disk stress...
Yes, spot on, it was running out of page space in dom-0 after which Linux seemed to go on a process killing spree before turning the gun on itself and rebooting. Not very pretty. And yes, NFS + loopback looks particularly ugly. I got it to finally run with 1G in dom-0! We're trying GNDB, iSCSI et al... (any preferences?) Thanks Roland Mark Williamson wrote: How much memory does dom0 have? I believe NFS + loopback files is very prone to out-of-memory problems so it seems most likely your dom0 died.If you hook up a serial line, you might be able to get some useful output before it dies.Had you considered using something like GNBD instead of NFS + loopback? It should perform better and be less prone to OOM problems.Cheers, Mark On Wednesday 11 May 2005 08:36, Roland Paterson-Jones wrote:Hi all I tried to run bonnie++ disk stresser in dom-U, who's disk is backed with non-local (on nfs) loop-back file. The machine rebooted pretty quickly. So, how do I tell what's barfing? Is it Xen? Is it dom-0 (nfs or loop-back)? I looked in dom-0's /var/log/messages and didn't see any obvious record of a dom-0 whoopsie (but is that the right place to look etc...). Any help greatfully received. Incidently, I ran bonnie++ successfully in dom-U with disk backed by local (dom-0 ext3) loop-back file. This pleasantly surprised me, as loop-back files don't have a good rep for stability under load. Regards Roland _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users_______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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