Re: [ovirt-users] Frequent vm migration failure

> On 12 Apr 2018, at 18:26, Stefano Stagnaro <stefanos@prismatelecomt > esting.com> wrote: > Hi, > > I recently upgraded an oVirt deployment from 3.6 to 4.0 and then > 4.1.9 (my actual release). Since then, when migrating many hosts > simultaneously I always experience few migrations failure like 1 on > 10 vms. The failure can occur on any host; moreover, after a couple > of failure the destination host fall in Error status and I have to > manually re-activate or wait 30 min. > > Tipical error found on vdsm log is (from the source host): > 2018-04-12 17:01:32,097+0200 ERROR (migsrc/3192dfe7) [virt.vm] > (vmId='3192dfe7-eeac-4626-8c86-e49facc9006f') migration destination > error: Fatal error during migration (migration:287) > > Please find the logs of source host (v15.ovirt), destination host > (v14.ovirt) and engine here: https://www.dropbox.com/sh/xhf8ry4ih40 > poxd/AABxiFCIxDe14HSx2DqLE61ya?dl=0 > > Some of the vm affected from the migration failure are: > svn 3192dfe7-eeac-4626-8c86-e49facc9006f > wood a8e83ff0-dfed-4074-b6b6-e947b8ebb952 > qnx66 5697c4a4-9e40-4dd6-aba2-c8ab9904a584 can you also include qemu log from /var/log/libvirt/qemu/<vmname>?

btw you seem to be using the legacy migration policy throttling the speed significantly. Please read into the migration enhancements in 4.0 https://www.ovirt.org/develop/release-management/features/virt/migrat ion-enhancements/

Thanks, michal

> Thank you very much for your help. > > --  > Stefano Stagnaro > > Prisma Telecom Testing S.r.l. > Via Petrocchi, 4 > 20127 Milano – Italy > > Tel. 02 26113507 int 339 > e-mail: stefanos(a)prismatelecomtesting.com > skype: stefano.stagnaro > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users