On Mon, Oct 21, 2013 at 07:49:58AM -0400, Tom Parker wrote: > Thanks for the feedback. Dejan, I have some SLES nodes that are running > around 30 pretty heavy VMs and I found that while I never go to 5s that > the time it would take to reboot was not a constant.
As mentioned elsewhere, it is actually 5s _plus_ however long it takes to run 5 times the Xen status procedure. > I have a feeling > that this bug in xen-list xen-list is coming from SUSE actually. I don't know if it's upstream. > may take a while to be fixed upstream and > trickle down into the released xen packages so we may be using this fix > for a while. Yes, the workaround is probably going to stay around for some time. > The full longdesc now reads: > > <longdesc lang="en"> > When the guest is rebooting, there is a short interval where the guest > completely disappears from "xm list", which, in turn, will cause the monitor > operation to return a "not running" status. > > If a monitor status returns "not running", then test status > again for wait_for_reboot seconds (perhaps it'll show up). > > NOTE: This timer increases the amount of time the cluster will > wait before declaring a VM dead and recovering it. > </longdesc> I sincerely hope that this won't be necessary. On a side note: What would you set this wait_for_reboot parameter to? Which value would make you feel safe? Which value would really keep the data safe? Cheers, Dejan > > Tom > > On 10/21/2013 03:28 AM, Ulrich Windl wrote: > > "When the guest is rebooting, there is a short interval where the guest > > completely disappears from "xm list", which, in turn, will cause the monitor > > operation to return a "not running" status. If the guest cannot be found , > > this > > value will cause some extra delay in the monitor operation to work around > > the > > problem." > > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
