You must add a second LPAR if you wish to implement capping with only one
LPAR. From PR/SM Planning Guide:
<snip>
Capping in a Single Logical Partition: In order to use capping for an LP on a
CPC where there is a need for only one active LP using shared CPs, you must
define and activate a second "dummy" LP. The dummy LP must also be defined as
using shared CPs. The weights of the two LPs can be adjusted to attain the
desired
cap for the one LP that will actually be used.
</snip>
Regards,
Don
******
Don Deese, Computer Management Sciences, Inc.
Voice: (703) 922-7027 Fax: (703) 922-7305
http://www.cpexpert.org
******
At 07:24 PM 12/28/2005, you wrote:
Martin, Mike wrote:
Hi,
We just went to LPAR mode from basic mode. We have a 2066-002 (z800)
that is about 350 MIPS. We currently only have a single LPAR, but we
wish to CAP the LPAR at 200 MIPS. (for ISV charging purposes)
Is this easy to do? How? Can it be done without a POR or IPL?
Thanks for any help!
Yes, it is feasible, it is easy, it can be done dynamically.
Logon to HMC as SYSPROG, choose task list "CPC Operational Customization".
Then drag icon "Change LPAR Controls" and drop it on your CPC icon. Then
provide the numbers and check the "initial capping" checkbox. Click "Save
and Change".
Ooops! The only thing I forgot is you have *ONE* LPAR. Any number you
provide to the LPAR will give 100%... Well...
Maybe you have to add another LPAR. AFAIK it can be done dynamically, but
not on z/800.
BTW: Depending on your licence terms & conditions maybe it would be better
to use "soft capping" instead of "hard capping" described above. In short,
soft capping takes care about 4 hour rolling average, so temporary peaks
are allowed.
HTH
--
Radoslaw Skorupka
Lodz, Poland
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