[ClusterLabs] VirtualDomain started in two hosts
emmanuel segura
emi2fast at gmail.com
Tue Jan 17 05:00:52 EST 2017
show your cluster configuration.
2017-01-17 10:15 GMT+01:00 Oscar Segarra <oscar.segarra at gmail.com>:
> Hi,
>
> Yes, I will try to explain myself better.
>
> Initially
> On node1 (vdicnode01-priv)
>>virsh list
> ==============
> vdicdb01 started
>
> On node2 (vdicnode02-priv)
>>virsh list
> ==============
> vdicdb02 started
>
> --> Now, I execute the migrate command (outside the cluster <-- not using
> pcs resource move)
> virsh migrate --live vdicdb01 qemu:/// qemu+ssh://vdicnode02-priv
> tcp://vdicnode02-priv
>
> Finally
> On node1 (vdicnode01-priv)
>>virsh list
> ==============
> vdicdb01 started
>
> On node2 (vdicnode02-priv)
>>virsh list
> ==============
> vdicdb02 started
> vdicdb01 started
>
> If I query cluster pcs status, cluster thinks resource vm-vdicdb01 is only
> started on node vdicnode01-priv.
>
> Thanks a lot.
>
>
>
> 2017-01-17 10:03 GMT+01:00 emmanuel segura <emi2fast at gmail.com>:
>>
>> sorry,
>>
>> But do you mean, when you say, you migrated the vm outside of the
>> cluster? one server out side of you cluster?
>>
>> 2017-01-17 9:27 GMT+01:00 Oscar Segarra <oscar.segarra at gmail.com>:
>> > Hi,
>> >
>> > I have configured a two node cluster whewe run 4 kvm guests on.
>> >
>> > The hosts are:
>> > vdicnode01
>> > vdicnode02
>> >
>> > And I have created a dedicated network card for cluster management. I
>> > have
>> > created required entries in /etc/hosts:
>> > vdicnode01-priv
>> > vdicnode02-priv
>> >
>> > The four guests have collocation rules in order to make them distribute
>> > proportionally between my two nodes.
>> >
>> > The problem I have is that if I migrate a guest outside the cluster, I
>> > mean
>> > using the virsh migrate - - live... Cluster, instead of moving back
>> > the
>> > guest to its original node (following collocation sets), Cluster starts
>> > again the guest and suddenly I have the same guest running on both nodes
>> > causing xfs corruption in guest.
>> >
>> > Is there any configuration applicable to avoid this unwanted behavior?
>> >
>> > Thanks a lot
>> >
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>> >
>>
>>
>>
>> --
>> .~.
>> /V\
>> // \\
>> /( )\
>> ^`~'^
>>
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>
>
>
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