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

[Alan Robertson]

On 01/28/2011 11:12 AM, Steven Dake wrote:
> 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).

Thanks for the correction!    It's always better to have ones facts 
(unlike how I did here).


-- 
     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