[Gluster-users] Gluster with KVM - VM migration

[Jorge Crespo]

Thanks a lot for the suggestion.

I will check it out and let you know.

Cheers!

El 8/4/19 a las 7:04, Sahina Bose escribió:
> On Thu, Apr 4, 2019 at 10:53 PM Jorge Crespo <jorge.crespo at avature.net> wrote:
>>
>> Hi everyone,
>>
>> First message in this list, hope I can help out as much as I can.
>>
>> I was wondering if someone could point out any solution already working
>> or this would be a matter of scripting.
>>
>> We are using Gluster for a kind of strange infrastructure , where we
>> have let's say 2 NODES , 2 bricks each , 2 volumes total. And both
>> servers are mounting as clients both volumes.
>>
>> We exclusively use these volumes to run VM's. And the reason of the
>> infrastructure is to be able to LiveMigrate VM's from one node to the other.
>>
>> VM's defined and running in NODE 1, MV files in /gluster_gv1 , this
>> GlusterFS is also mounted in NODE2 ,but NODE2 doesn't make any real use
>> of it.
>>
>> VM's defined and running in NODE 2, MV files in /gluster_gv2 , as
>> before, this GlusterFS is also mounted in NODE1, but it doesn't make any
>> real use of it.
>>
>> So the question comes now:
>>
>> - Let's say we come to an scenario where NODE 1 comes down. I have the
>> VM's files copied to NODE2, I define them in NODE2 and start them , no
>> problem with that.
>>
>> - Now the NODE 1 comes back UP , I guess the safest solution should be
>> to have the VM's without Autostart so things don't go messy. But let's
>> imagine I want my system to know which VM's are started in NODE 2, and
>> start the ones that haven't been started in NODE 2.
>>
>> Is there any "official" way to achieve this? Basically achieve something
>> like vCenter where the cluster keeps track of where the VM's are running
>> at any given time, and also being able to start them in a different node
>> if their node goes down.
>>
>> If there is no "official" answer, I'd like to hear your opinions.
> Have you considered oVirt + Gluster hyperconverged solution
> (https://www.ovirt.org/documentation/gluster-hyperconverged/Gluster_Hyperconverged_Guide.html)?
> It addresses the HA problem that you are after. Let us know.
>
>> Cheers!
>>
>>
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>> Gluster-users at gluster.org
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