[Linux-cluster] CCS to add VM to RHCS?

[Fabio M. Di Nitto]

Hi Robert,

i was pointed to: https://bugzilla.redhat.com/show_bug.cgi?id=718230

not sure you have enough privileges to see the bz but the issue is known
and the fix is on its way.

Fabio

On 8/4/2011 3:48 PM, Robert Hayden wrote:
> I was attempting to add VM resources to a two node cluster with the
> ccs tool (RHEL 6.1).  I believe that it I am either not using the
> proper ccs command or there is a bug in the ccs tool for VMs.  Wanted
> to see if anyone has attempted this before I go to bugzilla.
> 
> Command:
> 	ccs -f cluster.build --addresource vm name=vm_b migrate=live
> domain=kvm_node2_fo_domain autostart=1 recovery=restart use_virsh=1
> 	ccs -f cluster.build --addresource vm name=vm_a migrate=live
> domain=kvm_node1_fo_domain autostart=1 recovery=restart use_virsh=1
> 
> These modify the cluster.build file as follows.  Notice that the <vm>
> stanzas are located within the <resource>.  From what I have been able
> to determine, the <vm> stanzas need to be in the <rm>, but not as a
> "resource".  Otherwise rgmanager does not pick the VMs up.
> 
>   <rm>
>     <failoverdomains>
>       <failoverdomain name="kvm_node1_fo_domain" nofailback="1"
> ordered="1" restricted="1">
>         <failoverdomainnode name="node1" priority="1"/>
>         <failoverdomainnode name="node2" priority="2"/>
>       </failoverdomain>
>       <failoverdomain name="kvm_node2_fo_domain" nofailback="1"
> ordered="1" restricted="1">
>         <failoverdomainnode name="node1" priority="2"/>
>         <failoverdomainnode name="node2" priority="1"/>
>       </failoverdomain>
>     </failoverdomains>
>     <resources>
>       <vm autostart="1" domain="kvm_node1_fo_domain" migrate="live"
> name="vm_a" recovery="restart" use_virsh="1"/>
>       <vm autostart="1" domain="kvm_node2_fo_domain" migrate="live"
> name="vm_b" recovery="restart" use_virsh="1"/>
>     </resources>
>   </rm>
> 
> 
> Correct <rm> stanza as far as I know, at least this allows for the VMs
> to be seen with clustat and for them to be managed.
> 
>   <rm>
>     <failoverdomains>
>       <failoverdomain name="kvm_node1_fo_domain" nofailback="1"
> ordered="1" restricted="1">
>         <failoverdomainnode name="node1" priority="1"/>
>         <failoverdomainnode name="node2" priority="2"/>
>       </failoverdomain>
>       <failoverdomain name="kvm_node2_fo_domain" nofailback="1"
> ordered="1" restricted="1">
>         <failoverdomainnode name="node1" priority="2"/>
>         <failoverdomainnode name="node2" priority="1"/>
>       </failoverdomain>
>     </failoverdomains>
>     <resource/>
>     <vm autostart="1" domain="kvm_node1_fo_domain" migrate="live"
> name="vm_a" recovery="restart" use_virsh="1"/>
>     <vm autostart="1" domain="kvm_node2_fo_domain" migrate="live"
> name="vm_b" recovery="restart" use_virsh="1"/>
>   </rm>
> 
> 
> Thanks
> Robert
> 
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