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  3. May 2014

RE: Guest Partition OS Requirements on Power8

Rob,

Are you stating that the IBM I core licensing is different when using VIOS compared to non VIOS.
How many active cores do you have?.
How many IBM I core licenses do you have?

I have 8 active cores, but only 3 IBM I licenses.

Paul


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Roberto José Etcheverry Romero
Sent: Tuesday, May 13, 2014 12:03 PM
To: Midrange Systems Technical Discussion
Subject: Re: Guest Partition OS Requirements on Power8

I would say that not having to buy the IBM i per-core license for the hosting partition is a very good reason to use VIOS (VIOS uses at least 0,5 core each, more if it had a lot of resources)... but the DCR is a good idea anyways.


On Tue, May 13, 2014 at 12:35 PM, <rob@xxxxxxxxx> wrote:

IDK. My boss still thinks VIOS is some "wave of the future". But if
we can do all of our virtualization necessary from IBM i then that
significantly reduces the expense by not tying up hardware for VIOS,
not having to support vios and learning all that stuff. and so on.


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: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx>
Date: 05/13/2014 11:28 AM
Subject: RE: Guest Partition OS Requirements on Power8
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



Rob,

If and when your DCR would be completed, would you no longer use VIOS
for partitioning?

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
rob@xxxxxxxxx
Sent: Tuesday, May 13, 2014 10:15 AM
To: Midrange Systems Technical Discussion
Subject: RE: Guest Partition OS Requirements on Power8

I am using fiber. I was using SCSI with LTO3 back on Power 6's but
even all those switched to fiber LTO4's.
Description: 8 Gigabit PCI Express Dual Port Fibre Channel Adapter
Feature
code: 5735 Right now it's virtualized from VIOS to four lpars of IBM i.
I've submitted a design change request to allow me to bypass vios.



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: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx>
Date: 05/13/2014 09:37 AM
Subject: RE: Guest Partition OS Requirements on Power8
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



Sue / Rob,

Am I correct that if the tape library was SAS attached as opposed to
fiber, then it could be virtualized, Rob I believe this is your config.
From a performance standpoint, I've always opted with fiber over SAS
attached.

From a future roadmap viewpoint, what are the options available for
tape virtualization, fiber or SAS?

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Sue

Baker
Sent: Tuesday, May 13, 2014 9:20 AM
To: midrange-l@xxxxxxxxxxxx
Subject: RE: Guest Partition OS Requirements on Power8

"Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx> wrote on Sat, 10 May
2014 22:39:33 GMT:

What are the IBM I virtualization options (host and/or guest) for
fiber attached tape, 577D?


At the present time, fibre attached tape (577D is the CCIN for feature
5735) cannot be virtualized by IBM i to any i client.

DLPARing the adapter from one partition to another is still a
reasonable way to go for fibre attached tape. I used to do this on
our systems by sending SSH commands to the HMC from my batch job stream.

--
Sue
IBM Americas Advanced Technical Sales Support (ATS) Power Systems
Rochester, MN
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