[Pacemaker] why does pacemaker migrate a vm by stopping and starting instead of migrating action?

[mark - pacemaker list]

Oops, I haven't have my coffee yet this morning... I see you've written
your own RA rather than using the existing ones, my apologies for the noise
on the list.

Mark

On Wed, Dec 19, 2012 at 9:08 AM, mark - pacemaker list <
m+pacemaker at nerdish.us> wrote:

> Hi Cherish,
>
> On Wed, Dec 19, 2012 at 1:11 AM, bin chen <free2coder at gmail.com> wrote:
>
>> Hi,all
>>         My cluster is pacemaker 1.1.7 + corosync 2.0. I have write a
>> resource agent to manage the virtual machine.The RA supports
>> start,stop,migrate_from,migrate_to,monitor.
>>         But when I try to migrate a running cluster vm(resource name is
>> dcbh6f1c-GtNhnB-8597) from the host(h66)  to a target host (h65),the
>> cluster just stops it in host A,and then start it in host B.
>>
>
>
> Can we safely assume that you are certain you have live migration working
> without the cluster involved?  E.g. you can do an 'xm migrate' or 'virsh
> migrate', whatever you're using to manage your VMs?
>
> Have you set "allow-migrate=true" for the VM resource?  This snip is
> showing the Xen RA, but the VirtualDomain RA has the same option, I believe:
>
> ---- 8< ----
> primitive www3 ocf:heartbeat:Xen \
> params xmfile="/etc/xen/www3" \
> meta allow-migrate="true" target-role="Started" is-managed="true" \
> ---- 8< ----
>
> If you already have that set, then your cluster configuration would be
> good to see.
>
> Regards,
> Mark
>
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