Re: Sharing 280D fiber tape card

I haven't had a chance to test this out at all, when I Ipl it reverts back
to the owning lpar, just an FYI.

On Wed, Dec 19, 2012 at 10:36 AM, <rob@xxxxxxxxx> wrote:

Thanks. Give me some time to digest this.


Rob Berendt
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IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
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From: DrFranken <midrange@xxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>,
Cc: rob@xxxxxxxxx
Date: 12/19/2012 09:49 AM
Subject: Re: Sharing 280D fiber tape card
Sent by: midrange-l-bounces@xxxxxxxxxxxx



Rob,

On your NWSD to the guest LPAR do NOT restrict the tape drive (
RSTDDRVRSC Parm ) either by name, *ALLTAPE or *ALL.

Now vary OFF the tape drive on the host LPAR.

The drive should appear and be available to the GUEST lpar, simply
vary it on.

Should be as simple as that.

Twist: IBM recommend that you have your guest's disk on a separate
v-SCSI channel from Tape and Optical which means that you need TWO NWSDs
configured and to do that you need TWO vSCSI pairs between the guest and
the host. I configure the first NWSD to have the disk on it and
configure RSTDDRVRSC(*ALL) on that one. For he second NWSD I append the
letters "TO" (for Tape and Optical) to the name to keep it straight in
my head [ SO NWSD one might be GUEST1 and the other GUEST1TO ] Now
you can Vary off the ..TO NWSD should you need to make changes and you
won't upset the guest LPAR.

Also personally I do not use Power Controlling on these type of
LPARs.

Hope that helps!

- Larry "DrFranken" Bolhuis

On 12/19/2012 9:37 AM, rob@xxxxxxxxx wrote:

Power 6 with 7.1 TR5.
I've got HOST lpar with 2844&280D fiber tape card in an 0595.
Can I share that with GUEST lpar other than dynamically moving those

two

cards? That's not too hard to do, just looking at alternatives.

Can I somehow ?virtualize? this so that both can be saving at the same
time?


Rob Berendt

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