Rick --

You're really off here. PR/SM does not suspend logical processors for
"minutes to hours at a time". As Jim Mulder wrote Wednesday, it just does
not work that way. The suspension of the processor is a short duration. The
time-slicing generally dynamic and all the logical engines get an equal
share of an LPAR's allocation. This is not new since your 2064 it has always
worked this way (back to the 3090 where PR/SM was introduced).

The premise of your question is wrong, so it's hard to answer the question. 

You attributed some past performance problems being due to this issue, but
that is not correct either. There is or was another cause of your
performance problems.

Regards,

Al

Al Sherkow, I/S Management Strategies, Ltd.
Consulting Expertise on Capacity Planning, Performance Tuning,
WLC, LPARs, IRD and LCS Software
Seminars on IBM SW Pricing, LPARs, and IRD
Voice: +1 414 332-3062 
Web: www.sherkow.com

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