Re: LPAR Planning

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I was told today that if we upgrade our 720/2061 to an 820/2395 that I need the
ISTAR (820/2435) processor to use to use fractional LPAR. This is the first
time I've heard that. The ISTAR processor increase the upgrade cost by about
$15K, with no gain on the interactive CPW.

KMort@supnet.com wrote:

> Chuck:
>
> I do a fair amount of LPAR planning and I would suggest the following:
>
> 1. GOTO the LPAR website and read everything you can. Familiarize yourself
> with the process of planning, how to use the worksheets and when to send
> them to Rochester for validation.
> http://www-1.ibm.com/servers/eserver/iseries/lpar/
>
> 2. Download the LPAR Validation Tool from this site. This tool is extremely
> valuable in designing LPAR machines. There is a User Guide out there also
> so you can learn how to use the tool. If you are doing a purely 8xx
> solution you can design the whole machine with the LVT. IF you are doing a
> combination of 7xx and 8xx hardware, i.e. mig towers. You will also need to
> download the worksheets which are used to help plan the machine.
>
> 3. Always remember that the most critical part of LPAR (IMHO) is Planning.
> When in doubt, read this again.
>
> 4. If it is feasible for you, I would highly suggest going to Rochester for
> the LPAR class. It is excellent and allows you to get some hands on before
> you start working with LPAR. They spend a fair amount of time on (surprise)
> planning and system design as well as implementation.
>
> 5. Realize that when you go to actually placing the machine into eConfig,
> you must specify the #0140 feature on the config, which indicates that it
> will be an LPAR box. This feature triggers a restricted build in Rochester
> which essentially does not allow a preload of the OS or SLIC. It also means
> that when you get the machine, the cards will generally not be in the slots
> you need them in.
>
> Therefore, you will need to be sure you KEEP A COPY OF YOUR LVT OUTPUT AND
> WORKSHEETS!!!!  as these docs are actually what you or the CE will use to
> configure the hardware on the machine - both physically and logically.
>
> ---------------------
> Kevin E. Mort
> iSeries Technical Support
> Support Net, Inc.
> Ph: 888.480.TECH
> Fx: 954.428.3991
> Mailto:kmort@supnet.com
>
> IBM Certified Expert - e(logo)server iSeries 400 Technology
> Lotus Certified Specialist
>
> " i want everything to work. i choose iSeries. "
>
> <STRSNIP>
> Message: 5
> Date: Thu, 15 Nov 2001 11:10:32 -0600
> From: Chuck Morehead <cbmorehead@nokuse.com>
> Subject: LPAR Planning
> To: MIDRANGE-L@midrange.com
> Reply-To: midrange-l@midrange.com
>
> I have a client that is wanting to look at LPAR.  (Replace two AS/400's
> with
> a single, larger system.)  We are just starting to examine this.  Neither
> I,
> nor anyone else here, has set up a LPAR system before.  I have found the
> "Slicing the AS/400 with Logical Partitioning: A How to Guide" and
> "Capacity
> Planning for Logical Partitioning on the IBM  iSeries Server" redbooks.
> Does anyone have any other suggestions for sources on preparing for using
> LPAR's?
>
> TIA,
>
> Chuck Morehead
> Nokuse Consulting - Providing high value Information Technology Services.
> Native Bear Software - Providing affordable Industry Specific Software.
> http://www.nokuse.com
>
> <ENDSNIP *IMMED>
>
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