[ClusterLabs] can't live migrate VirtualDomain which is part of a group

[Ken Gaillot]

On 04/24/2017 01:52 PM, Lentes, Bernd wrote:
> 
> 
> ----- On Apr 24, 2017, at 8:26 PM, Bernd Lentes bernd.lentes at helmholtz-muenchen.de wrote:
> 
>> Hi,
>>
>> i have a primitive VirtualDomain resource which i can live migrate without any
>> problem.
>> Additionally i have an IP as a resource which i can live mirgate easily too.
>> If i combine them in a group, i can't live migrate the VirtualDomain anymore.
>>
>> It is shuted down on one node and rebooted on the other. :-(
>>
>> This is my config:
>>
>> primitive prim_vm_mausdb VirtualDomain \
>>        params config="/var/lib/libvirt/images/xml/mausdb_vm.xml" \
>>        params hypervisor="qemu:///system" \
>>        params migration_transport=ssh \
>>        params autoset_utilization_cpu=false \
>>        params autoset_utilization_hv_memory=false \
>>        op start interval=0 timeout=120 \
>>        op stop interval=0 timeout=130 \
>>        op monitor interval=30 timeout=30 \
>>        op migrate_from interval=0 timeout=180 \
>>        op migrate_to interval=0 timeout=190 \
>>        meta allow-migrate=true is-managed=true \
>>        utilization cpu=4 hv_memory=8005
>>
>>
>> primitive prim_vnc_ip_mausdb IPaddr \
>>        params ip=146.107.235.161 nic=br0 cidr_netmask=24 \
>>        meta is-managed=true

I don't see allow-migrate on the IP. Is this a modified IPaddr? The
stock resource agent doesn't support migrate_from/migrate_to.

>>
>> group group_vnc_vm_mausdb prim_vnc_ip_mausdb prim_vm_mausdb \
>>        meta target-role=Started
>>
>>
>> Why can't i live migrate the VirtualDomain primitive being part of a group ?
>>
>> Thanks.
>>
>>
>> Bernd
>>
>>
> 
> What i found in the net:
> http://lists.clusterlabs.org/pipermail/pacemaker/2011-November/012088.html
> 
> " Yes, migration only works without order-contraints the migrating service
> depends on ... and no way to force it."

I believe this was true in pacemaker 1.1.11 and earlier.

> 
> It's not possible ?
> 
> 
> Bernd
>  
> 
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