[ovirt-users] Highly Available in 3.6 and USB support

[Roman Mohr]

On Tue, Nov 24, 2015 at 1:10 PM, jaumotte, styve <
s.jaumotte at maine-et-loire.fr> wrote:

> Hi All,
>
> I join to this message an extract of the engine.log.
>
> To complete informations, the node which I turn off is a R620 with a drac7
> fence agent.
> When poweroff, after few seconds (perhaps 1 minute), this server is turn
> on automatically (drac command I think).
>
>

Adding Roy to the discussion. @Roy, any ideas?


> This VM is Windows 10 but I also  have test with linux VM and the result
> is the same.
>
> Another question not related to this subject is that all my windows VM are
> with an orange exclamation point. I don't see anywhere any reason !
>
> Thank's,
>
> SJ
>
>
> Réponse ou transfert de la part de Styve JAUMOTTE
> De : Roman Mohr [mailto:rmohr at redhat.com]
> Envoyé : lundi 23 novembre 2015 17:20
> À : jaumotte, styve
> Cc : users at ovirt.org
> Objet : Re: [ovirt-users] Highly Available in 3.6 and USB support
>
>
>
> On Mon, Nov 23, 2015 at 5:12 PM, Roman Mohr <rmohr at redhat.com> wrote:
> Hi Styve,
>
> On Mon, Nov 23, 2015 at 3:10 PM, jaumotte, styve <
> s.jaumotte at 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 at 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
> [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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