Re: Question on V5R3 LPAR mode

The hypervisor, or FSP, or Flexible Service Process, as it's known on the 
i5 controls all other partitions; be they running OS/400, Linux, AIX or 
whatever comes down the road.  Any termination of the FSP will terminate 
all partitions.  There are times when you need to apply firmware upgrades 
to the FSP.  You can download those in advance, set them to apply at the 
next IPL, bring down all partitions at a convenient time, IPL the FSP and 
bring up the partitions.  One big difference in this concept on the i5 
versus the iSeries is that the controlling partition on the iSeries ran 
under OS/400 while what they use for the FSP is not supposed to concern 
our pretty little blonde heads.  Another difference is that the iSeries 
required some dedication of hardware to the controlling partition and that 
isn't so on the i5 and it's FSP.  The last difference is that you talked 
to the controlling partition on the iSeries with a dumb terminal or a PC 
with something called Op's Console.  On the i5 you use a Hardware 
Management Console or HMC.  But aren't you zSeries folks used to that?

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





"McKown, John" <john.mckown@xxxxxxxxxxxxxx> 
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Subject
Question on V5R3 LPAR mode






Me again, the know-nothing newbie that MAY be getting an iSeries.

This is a question on running in LPAR mode. One of the other guys here is
reading a RedBook about Performance Management on the iSeries. It said
something about Primary and Secondary Partitions. In particular, it said
that you have one "Primary" partition. If the OS in that partition fails,
then all other partitions fail.

Looking at the V5R3 stuff, so far, it appears that this is no longer true.

So: with i5/OS V5R3, is there a "Primary Partition", an outage on which 
will
terminate the systems in all other partitions? This is definately 
different
than zSeries where the hypervisor does not depend in any way on any LPAR.

Inquiring minds want to know <grin>.


--
John McKown
Senior Systems Programmer
UICI Insurance Center
Information Technology

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