[Gluster-infra] r.g.o down?

[Kaushal M]

On Thu, Apr 21, 2016 at 2:58 PM, Michael Scherer <misc at redhat.com> wrote:
> Le jeudi 21 avril 2016 à 14:29 +0530, Kaushal M a écrit :
>> On Thu, Apr 21, 2016 at 1:14 PM, Michael Scherer <misc at redhat.com> wrote:
>> > Le jeudi 21 avril 2016 à 12:47 +0530, Kaushal M a écrit :
>> >> I restarted Gerrit that should have fixed it for now.
>> >>
>> >> As this has happened several times since the migration, I thought
>> >> something wasn't done correctly.
>> >> Turns out the gerrit VM is a really-(really)-low end VM with just 1
>> >> CPU core and 2GBs of RAM!!
>> >>
>> >> Michael, was this intentional or did you some how overlook this?
>> >
>> > I likely overlooked. I reused the same type of VM than the one for
>> >
>> >>  IIRC,
>> >> before the migration the VM was running with a dual-core CPU at least
>> >> and more RAM.
>> >
>> > 4G of ram and 2 cpus. So I propose to go to 6G and still 2 cpu for now ?
>>
>> Fine with me. We always have room to grow if required.
>>
>> >
>> >> The hypervisor has more than enough resources to run a beefier VM. I
>> >> was thinking of bumping the VM to a 4 Cores and 8 GB of RAM (or more).
>> >> I'll do this if there are no objections.
>> >
>> > This requires a reboot however, is this ok ?
>>
>> Doing this shouldn't take longer that ~5minutes. We could do it any time.
>> It would have been so much easier if libvirt allowed hot-plugging cpu
>> and ram like disks.
>
> Seems to be supported in openstack, and in version we use on RHEL 7.
>
> And virsh has a command setvcpus with a --live switch, and the same for
> the ram.

TIL! I've been trying to do this all the time by editing the VM xml
config. I believe virt-manager does the same as well, because it fails
to add cpus live as well.

>
> Shall I try later today ?
> (worst case, it crash and we reboot)

Sure.

> --
> Michael Scherer
> Sysadmin, Community Infrastructure and Platform, OSAS
>
>
>