[DRBD-user] DRBD primary/primary for KVM - what is the best option?

Bart Coninckx bart.coninckx at telenet.be
Tue May 11 11:09:12 CEST 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Tuesday 11 May 2010 10:51:26 Florian Haas wrote:
> On 05/11/2010 10:44 AM, Bart Coninckx wrote:
> > What also might be a nice idea (though theoretical, don't know if this is
> > feasible) is to have a primary/secondary setup for iSCSI and have
> > Heartbeat take care of individual targets on individual DRBD resources.
> > One set could run on a seperate IP address on one node and the other
> > could run on the other node on a different IP address. This would
> > perfectly divide the load. However, while failing over, the Heartbeat
> > resource agent should instruct IETD (if this is the iSCSI software you
> > are using) to first bind to the other IP- address and then dynamically
> > load the new targets.
> > I'm not sure if this is possible at all and if this will result in
> > breaking existing iSCSI sessions or not, but it would be a nice thing to
> > happen though ...
> 
> It is. I'm planning to showcase this in one of our upcoming webinars.
> 
> Cheers,
> Florian
> 

Excellent, any timeframe on this? As it happens I'm dealing with a setup now 
that could definitely benefit from this.

B.



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