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

Florian Haas florian.haas at linbit.com
Tue May 11 10:51:26 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 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.


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