On Mon, Nov 23, 2015 at 5:12 PM, Roman Mohr <rm...@redhat.com> wrote:
> Hi Styve, > > On Mon, Nov 23, 2015 at 3:10 PM, jaumotte, styve < > s.jaumo...@maine-et-loire.fr> wrote: > >> Hi everybody, >> >> >> >> After testing some features on 3.5, we are planning to finaly go to 3.6. >> Some problems still exist. >> >> >> >> A major problem still remain on the « Highly Available » option on vm >> wich doesn’t work. I had a cluster with 4 engines and a simple vm. When I >> start a poweroff from the node where this vm is living, the node is >> shutting down but my vm doesn’t restart on another node of the cluster. >> > > Do you have a fencing agent configured for your host? It is configureable > under 'Edit Host'->'Power Management'. If there is no fencing agent > configured, the engine can not make sure that the host is really off when > it is non responsive. To avoid disk corruptions without a fencing agent, it > does nothing. You can find more about HA here [1]. About fencing here [2]. > > The power managment of all the node are correctly configure. >> > Oh I missed that. When that is configured correctly, as @Simone already said, the logs would be great. > The HA feature of then hosted-engine is working well (except it is very >> long). >> >> > Glad to hear that this is working. Regarding the (sometimes long) > downtimes, you can find some numbers here [3]. > > > >> >> >> Another problem consist of passing usb host device to the virtual >> machine. We’ve got some specials usb keys for activating old application >> and we need to attach this key to vm. At first, I try with standard usb >> mass storage key to test this approach. I can’t start virtual machine when >> I add usb device, I always have the message « The host … did not satisfy >> internal filter HostDevice because it does not support host device >> passthrough ». Have any idea where I can find an HowTo to help me ? >> >> >> >> Tanks for your help, >> >> >> >> SJ >> >> >> >> _______________________________________________ >> Users mailing list >> Users@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> > Best regards, > Roman > > [1] > http://www.ovirt.org/OVirt_Administration_Guide#.E2.81.A0Improving_Uptime_with_Virtual_Machine_High_Availability > <http://www.ovirt.org/OVirt_Administration_Guide#%E2%81%A0Improving_Uptime_with_Virtual_Machine_High_Availability> > > <http://www.ovirt.org/OVirt_Administration_Guide#%E2%81%A0Improving_Uptime_with_Virtual_Machine_High_Availability>[2] > http://www.ovirt.org/OVirt_Administration_Guide#Host_Resilience > [3] > http://www.ovirt.org/Hosted_Engine_Howto#What_is_the_expected_downtime_in_case_of_Datacenter_.2F_Host_.2F_VM_failure.3F > >
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