RE: LPAR issue

[Jeff Bull <Jeff.Bull@xxxxxxxxxxxxxxx>]

Hi Joe,
        as I understand it, there are two types of partitioning:
a) The older 'hardware-centric' partitioning that become available at v4r5;
sharing some resources was possible, tape drives primarily I believe.  The
benefit was mainly financial from the OS/400 licensing cost reduction.  The
engineering expertise to design, build and manage one of these beasts was
(is) heavy stuff.

b) With the second generation of 8xx processors and v5r1, the
software-centric partitioning became available, 10% of a single CPU, dynamic
allocation of disk space I believe ...

I guess you may be on the older partitioning ?

Jeff B

-----Original Message-----
From: Joe Pluta [mailto:joepluta@PlutaBrothers.com]
Sent: 12 July 2002 16:15
To: midrange-l@midrange.com
Subject: LPAR issue


Hey Al (and anyone else who has an opinion <grin>)!

I've been advised that within an LPAR'd system the partitions don't
necessarily work and play with one another.  For example, you cannot share
tape drives or optical drives.  You cannot share Ethernet cards.  Different
partitions must have their own RAID arrays.

If someone is trying to use an LPAR to reduce the cost of having multiple
iSeries boxes, it seems that duplication of hardware like this could be a
significant cost.  I'd much rather be able to "pool" my hardware resources
like I can on any decent Microsoft network and share them among my
partitions.

Is my information correct, and if so, is my opinion misguided?  (Well, more
misguided than usual?)

Joe

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