Re: IBM i vs VIOS for Host Partition

There was a good session at Common this year by Larry Bolhius dealing with
step by step setup of guest partitions hosting i.





From: rob@xxxxxxxxx
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxx>,
Date: 04/17/2013 01:00 PM
Subject: Re: IBM i vs VIOS for Host Partition
Sent by: midrange-l-bounces@xxxxxxxxxxxx



We realize that we'll have to burn up some credits to get someone in here
to set up VIOS, while I figured out guest partitions on my own using this:
IBM i 6.1 Technical Overview
http://www.redbooks.ibm.com/abstracts/sg247713.html?Open
Pretty much did that step-by-step; something I find lacking in Infocenter.

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>,
Date: 04/17/2013 12:54 PM
Subject: Re: IBM i vs VIOS for Host Partition
Sent by: midrange-l-bounces@xxxxxxxxxxxx



VIO Server can run with both internal and external storage as can IBM i
hosting. I don't have partitions that are big enough to stress them
out, but customers have done both IBM i hosting and VIO Server
hosting. Neither one seems to outrun the other in the workloads they
have (10K transactions/hour with plenty of DASD arms), but there is a
big difference in the management of them. VIO Server might be slighly
more flexible and has a few features IBM i hosting does not, IBM i
hosting is much simpler to set up and requires a much lower learning
curve. I think the larger the environment the more VIO Server tends
to be the better choice, but that is very arguable.

Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


On 4/17/2013 11:42 AM, Jack Kingsley wrote:

If I understand the question, believe you could get away from the having

to

rely upon using storage spaces and could go back to using dedicated

lpars.

This solution I believe requires SAN storage only.


On Wed, Apr 17, 2013 at 12:34 PM, Kirk Goins<kirkgoins@xxxxxxxxx> wrote:

I am curious about the Performance differences, if any, when hosting

IBM i

on IBM i vs IBM i on VIOS. Are the 2 methods about the same? Wildly
Different?
Do I need more Memory or CPU generally speaking for one vs the other

etc?

I don't need or want a discussion on what features/capabilities of

each

method, but just how well the guest partitions perform. Looking for

real

life experiences and any book type references..

Thanks

--
Kirk
--

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