[Pacemaker] samba inside xen-vm; device held open, migration fails

[Andrew Beekhof]

On 16/09/2013, at 12:11 AM, georg at riseup.net wrote:

> Hi all,
> 
> I'm in the process of deploying a pacemaker cluster, running several xen
> vms, storage is done with drbd.
> 
> Everything works like a charm, and now I just found the root cause (at
> least I believe) for the issue "device is still held open by someone"
> for one vm I experienced the last couple of days.
> 
> I think it's because of samba running in this vm, and the exports are
> still mounted by clients if I send one node into standby. Doing this,
> the migration fails, because of the error I gave above.
> 
> Could someone point me into a wise direction how to handle this?
> 
> Stoping/starting samba trought a script, which is executed by pacemaker?

Something like that. Depending on your version, you could use pacemaker-remote to manage services inside the guest.
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html/Pacemaker_Remote/index.html

> 
> Thanks in advance,
> Georg
> 
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