On 26 June 2013 15:42, Brent Roskos <brent.ros...@solinea.com> wrote:
> I've also used keepalived for services that did not scale laterally. In > this case I put two horizon servers behind an active/passive virtual IP. > This was also pretty simple as there was no need to maintain state > information in for active passive. That wouldn't work quite as well when > capacity thresholds started to become a concern. > > Neither of the above required multicast support - which really helps with > deployment options. > *ahem* keepalived most definitely requires multicast support for its vrrp... and it's quite noisy. If there's a way to make it use unicast instead, I'd definitely like to know. corosync & pacemaker can do a virtual IP failover between as many nodes as you like using unicast instead of multicast.
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