Re: [ovirt-users] oVirt 3.5.2 Hypervisor crash, guest VMs not migrating
If you turn the host back on, do the VM then power up on the host that was never down? If so, we have filed a bug around this in our 3.5.1 environment. https://bugzilla.redhat.com/show_bug.cgi?id=1192596 -Patrick On Apr 16, 2015, at 7:01 PM, Ron V ronv...@abacom.com wrote: Hello, I am testing guest VM migration in the event of a host crash, and I am surprised to see that guests that are selected to be highly available do not migrate when a host is forcibly turned off. I have a 2 host cluster using iSCSI for storage, and when one of the hosts, either the SPM or normal, is forcibly turned off, although the engine sees the host as non-responsive, the VMs that were running on it remain on that crashed host, and a question mark (?) appears next to them. Other than checking highly available, is there another step that needs to be made for a VM to be restarted on a working host should the host it is running on fail? Thanks, R. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] oVirt 3.5.2 Hypervisor crash, guest VMs not migrating
On 4/17/2015 10:46 AM, Patrick Russell wrote: If you turn the host back on, do the VM then power up on the host that was never down? If so, we have filed a bug around this in our 3.5.1 environment. https://bugzilla.redhat.com/show_bug.cgi?id=1192596 -Patrick Hello, yes this is exactly what happens. The engine is reporting trying to fence the down host, and while the host is marked non-responsive. In my scenario I am testing by yanking the power on one of the hosts, and the idrac5 that is used to fence becomes unresponsive as well as a result, which might be a contributing factor. In any case, VMs remain in a (?) state and so long as I don't click host has been manually rebooted) they don't come online elsewhere even after a few hours. R. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] oVirt 3.5.2 Hypervisor crash, guest VMs not migrating
Dňa 17.04.2015 o 02:01 Ron V napísal(a): Hello, I am testing guest VM migration in the event of a host crash, and I am surprised to see that guests that are selected to be highly available do not migrate when a host is forcibly turned off. I have a 2 host cluster using iSCSI for storage, and when one of the hosts, either the SPM or normal, is forcibly turned off, although the engine sees the host as non-responsive, the VMs that were running on it remain on that crashed host, and a question mark (?) appears next to them. Other than checking highly available, is there another step that needs to be made for a VM to be restarted on a working host should the host it is running on fail? Migration does not work when the host crashes. If you have fencing enabled, the engine can restart the dead host and start the vms on another host. This works for us. But you have to have power management for the hosts. -- Ernest Beinrohr, AXON PRO Ing http://www.beinrohr.sk/ing.php, RHCE http://www.beinrohr.sk/rhce.php, RHCVA http://www.beinrohr.sk/rhce.php, LPIC http://www.beinrohr.sk/lpic.php, VCA http://www.beinrohr.sk/vca.php, +421-2-62410360 +421-903-482603 ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
[ovirt-users] oVirt 3.5.2 Hypervisor crash, guest VMs not migrating
Hello, I am testing guest VM migration in the event of a host crash, and I am surprised to see that guests that are selected to be highly available do not migrate when a host is forcibly turned off. I have a 2 host cluster using iSCSI for storage, and when one of the hosts, either the SPM or normal, is forcibly turned off, although the engine sees the host as non-responsive, the VMs that were running on it remain on that crashed host, and a question mark (?) appears next to them. Other than checking highly available, is there another step that needs to be made for a VM to be restarted on a working host should the host it is running on fail? Thanks, R. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
