Re: Micro-Partition Gotcha(for the group).

["Bob P. Roche" <BRoche@xxxxxxxxxxxxxxxxx>]

Since we started partitioning the 2 machines here we have always micro 
partitioned (without calling it that). At least on e of the systems has 
only a single processor that we divide in to 40% and 60% partitions, The 
40% is a disaster recovery for another off site system so it doesn't get 
much use. In fact we have the main LPAR on that system using 60%, but 
allowed to use 100% of the processor if needed. It's interesting to 
WRKSYSSTS and see the processor at 125%.
IBM setup the partitions for our machines.



From:
Aaron Bartell <aaronbartell@xxxxxxxxx>
To:
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date:
04/08/2010 09:22 AM
Subject:
Re: Micro-Partition Gotcha(for the group).
Sent by:
<midrange-l-bounces@xxxxxxxxxxxx>



Has anybody done this before?  When I purchased my 6.1 machine in Nov I 
was
told this was only possible if you setup your primary HD correctly so VIOS
could control it appropriately.  I hadn't much idea what the IBM rep was
talking about so I told him to just go with a "regular setup" without any
micro partitioning (which I didn't use that term back then because I 
didn't
know it was called that - or maybe he was referencing literal LPARS?)

Aaron Bartell
http://mowyourlawn.com
http://mowyourlawn.com/blog/


On Thu, Apr 8, 2010 at 8:59 AM, Lukas Beeler
<lukas.beeler@xxxxxxxxxxxxxxxx>wrote:

> On Thu, Apr 8, 2010 at 15:25, Wintermute, Sharon
> <Sharon.Wintermute@xxxxxxxxxxxxxxxx> wrote:
> > What is a micro partition? I have multiple LPARS on my system but I 
have
> never heard this term before.
>
> Micro-Partitioning is when you use only tenths of a CPU. You can
> partition 1 CPU machine, but then each partition only has 0.x CPUs. If
> you have a large machine and can give each LPAR it's own CPUs, you
> don't need micro partitioning.