[Linux-cluster] Samba Statefull Failover

[jayfitzpatrick at gmail.com]

Hi Frank

I have been using this feature in an attempt to load balance the 2 servers,  
both servers are presenting the address and are contactable via the shared  
address (load is balancing correctly)


Thanks

Jay


On Jun 22, 2010 3:53pm, Frank de Groodt <Frank.de.Groodt at interaccess.nl>  
wrote:
> Make sure you use virtual public ip addresses managed by CTDB, not the  
> ones bound to your NICS.



> Frank.

> ________________________________________

> From: linux-cluster-bounces at redhat.com [linux-cluster-bounces at redhat.com]  
> On Behalf Of Abhijith Das [adas at redhat.com]

> Sent: Tuesday, June 22, 2010 4:33 PM

> To: linux clustering

> Cc: Sumit Bose; Gunther Deschner; Simo Sorce

> Subject: Re: [Linux-cluster] Samba Statefull Failover



> ----- "Jason Fitzpatrick" jayfitzpatrick at gmail.com> wrote:



> > From: "Jason Fitzpatrick" jayfitzpatrick at gmail.com>

> > To: linux-cluster at redhat.com

> > Sent: Tuesday, June 22, 2010 6:43:36 AM GMT -06:00 US/Canada Central

> > Subject: [Linux-cluster] Samba Statefull Failover

> >

> > Hi all

> >

> > Just wondering if it is possible to statefully migrate smb

> > connections

> > between cluster nodes, I am running ctdb (Samba's Cluster software)

> > but all connections are dropped when the service is failed between

> > nodes

> >

> > Setup is as follows

> >

> > 2 node cluster

> > DRBD backend shared storage in Master Master configuration

> > cman presenting GFS2 /Storage folder

> > Samba + Winbind + CTDB used to present /Storage/Test_Share via

> > \\clustername\test_share (both nodes are AD integrated)

> >

> > Connections to replicated storage are working fine, AD accounts are

> > authenticated correcly and smbstatus shows that CTDB is load

> > ballancing the cluster address between nodes correctly,

> >

> > When I run ctdb shutdown I expect existing connections to be migrated



> Also, I think "ctdb shutdown" is not the right command (Use "ctdb  
> disable", it

> should all be in the man pages). Only one node should fail so that the

> other node can take over the IP address. If the IP address is not taken

> over, the clients will probably not be able to reconnect.



> Cheers!

> --Abhi



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