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  1.  Home
  2. MIDRANGE-L
  3. May 2019

Re: Tape libraries on IBM i hosting IBM i.

They are coming up allocated unprotected then.

If you add a new device you’ll have to allocate it.

On Tue, May 7, 2019 at 12:45 PM Steinmetz, Paul <PSteinmetz@xxxxxxxxxx>
wrote:

Nope, don't do a thing.
Following an IPL with TAPMLB01 set to auto vary on.

Device/
Resource Status Allocation
TAPMLB01 VARIED ON
TAP02 OPERATIONAL UNPROTECTED
TAP01 OPERATIONAL UNPROTECTED
TAP03 OPERATIONAL UNPROTECTED
TAP04 OPERATIONAL UNPROTECTED

Paul

-----Original Message-----
From: Jim Oberholtzer [mailto:midrangel@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, May 07, 2019 12:11 PM
To: 'Midrange Systems Technical Discussion'
Cc: Steinmetz, Paul
Subject: RE: Tape libraries on IBM i hosting IBM i.

Well, not quite.

What you do is allocate unprotected. That way any of the partitions can
grab a tape device as needed, then release it when it's done. To set a
tape
device so it is exclusive to a partition you would allocate it protected.

So, you must allocate them to start with.


--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Steinmetz, Paul via MIDRANGE-L
Sent: Tuesday, May 07, 2019 10:58 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx

Cc: Steinmetz, Paul <PSteinmetz@xxxxxxxxxx>
Subject: RE: Tape libraries on IBM i hosting IBM i.

Jim,

We have FC cards on each LPAR connected with a FC switch to the tape
library.
All drives in library available to either LPAR, with the correct zoning.
No need to allocate/deallocate.

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf
Of
Jim Oberholtzer
Sent: Tuesday, May 07, 2019 11:51 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Tape libraries on IBM i hosting IBM i.

IF you have the attachment cards, (with a SAN switch) then you can just
allocate/deallocate, no real need for VIOS.

I agree VIOS is the better choice, but it can be done without.


--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Holger
Scherer
Sent: Tuesday, May 07, 2019 10:30 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Tape libraries on IBM i hosting IBM i.

For i on i there is not much option. Best idea would be to have a VIOS and
NPIV config.

-h

Am 07.05.2019 um 15:15 schrieb Jim Oberholtzer
<midrangel@xxxxxxxxxxxxxxxxx>:


Then again, a VTL all but solves the problem since they can emulate
multiple libraries on a single device. All that holds that up is the
attachment card on the POWER system.

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Chief Technical Architect
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