[Pacemaker] Article on HA in the IBM cloud using Pacemaker and Heartbeat

[Steven Dake]

On 01/28/2011 08:02 AM, Alan Robertson wrote:
>  Hi,
> 
> I recently co-authored an article on HA in the IBM cloud using Pacemaker
> and Heartbeat.
> 
> http://www.ibm.com/developerworks/cloud/library/cl-highavailabilitycloud/
> 
> The cool thing is that the IBM cloud supports virtual IPs.  With most of
> the other clouds you have to do DNS failover - which is sub-optimal
> ;-).  Of course, they added this after we harangued them ;-) - but still
> it's very nice to have.
> 
> It uses Heartbeat rather than Corosync because (for good reason) clouds
> don't support multicast or broadcast.
> 

Corosync works in non broadcast/multicast modes.  (the transport is
called udpu).

Regards
-steve

> There will be a follow-up article on setting up DRBD in the cloud as
> well...  Probably a month away or so...
> 
> -- 
>     Alan Robertson <alanr at unix.sh>
> 
> "Openness is the foundation and preservative of friendship...  Let me claim from you at all times your undisguised opinions." - William Wilberforce
> 
> 
> 
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