On Wednesday, 05/18/2011 at 12:07 EDT, Marcy Cortes 
<marcy.d.cor...@wellsfargo.com> wrote:

> I don't see LGR as a load balancing solution at all.  We will continue 
to use 
> our F5 load balancers as well as the WAS IHS plugin for that effort.  I 
see it 
> more for a planned outage move for things you want to move away for a 
while 
> without the reboot.

An excellent assessment, Marcy.  :-)  LGR was not designed to replace any 
application-level workload balancing solutions (F5).  Those balancing 
solutions provide the needed HA in case you lose a VM LPAR unexpectedly.

LGR will let you take back control of your VM LPARs.  No longer will you 
need to get 15 application owners to agree on a time for you to take down 
and service the VM system.  Their servers keep running and the application 
monitor dashboard shows green.

Oh, and I suppose there is an additional benefit in that if someone says, 
"*I* can relocate a server to a different rack in case it starts to 
overheat!" you can stick out your tongue and then say "*I* can relocate a 
server when I want to.  My machine doesn't overheat."  :-)

Alan Altmark

z/VM and Linux on System z Consultant
IBM System Lab Services and Training 
ibm.com/systems/services/labservices 
office: 607.429.3323
mobile; 607.321.7556
alan_altm...@us.ibm.com
IBM Endicott

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