[mdlug] Samba and F5 for Failover?

[Adam Tauno Williams]

On Wed, 2009-10-07 at 10:18 -0400, Wojtak, Greg wrote:
> Thanks Rob.  I think this gives me all I need.  I am failing across
> datacenters in different cities.  The requirement is for a DR
> situation, so *immediate* failover is not a requirement.

Ok, if the clients reboot you should be OK.

> Our samba servers are on our SAN and the disk is being replicated from
> one to the other.  

Make sure you are replicating snapshots and not just the live image.
That way you can go back to retrieve good copies of the [inevitable]
trashed files.

> So it sounds like I can just keep the configs in sync (maybe put all
> the required configuration info on a small replicated volume?) and
> when our primary datacenter gets exploded (ha!) I can just fire up the
> "DR" samba server and set the F5 to send requests to that server.

Until the CIFS clients reestablish state with the new file server they
will see scads of errors.