"Christopher Petersen" <cpetersen@crystallized-software.com> wrote in
message newsan.2007.11.01.00.20.58.239098@crystallized-software.com...
> On Wed, 31 Oct 2007 09:19:01 -0400, Roger Tango wrote:
>
>> We are using Partion Load Manager with our p595 servers and AIX 5.3.
>> There is a problem with PLM in that if you have more than 10 LPARs in a
>> single PLM daemon then you get communication errors with the HMC. APAR
>> IY92096 status that you need to
>> "Run multiple plm sessions with policy files containing less managed
>> lpars
>> in each session."
>>
>> I assume that multiple plm sessions means multiple daemons. However I
>> have not found any documentation about how to configure multiple
>> sessions.
>> For example do I need to distribute the CPUs and memory between each
>> session or should each session include the installed CPU and memory
>> capacity.
>>
>> Any ideas on what we should do here? That APAR has not been fixed yet.
>> Also we are still on the 1.1.0.1 level of PLM, with plans to upgrade to
>> 1.1.0.2
>>
>> Thanks
>
> You should be able to run as many PLM daemons as you want as long as you
> point them to different policy files and log files... I probably wouldn't
> make all resources visible to any single PLM daemon in that case. I'd
> give each one a pool. I haven't run into a case where the PLM pool was
> exhausted before physical memory, but I hope that PLM is smart enough not
> to go past its configured boundaries...
>
> I have heard some rumors that IBM is going to ditch PLM in the future, so
> you might want to be prepared...
>
> -Chris

Thanks, that might explain the lack of support! I understand that Power 6
Hypervisor supports multiple resource pools, which would allow us to manage
our software licenses, which is one of the main reasons we are using PLM.