RE: VIOS DS4700 and a E4A

If you have an HMC that is correct. The disk will be served up by VIOS
but the Hypervisor will assign the PCI slot of the tape controller
directly to the partition.

If you are trying to not need an HMC, then the only tape that is
supported for passthru to IBM i would be the TS2240 or 5736 SAS drives.

My personal opinion is if you are putting it on the E4A spend the money
on the HMC so you can put 2 VIOS servers and get rid of another single
point of failure.



-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Kirk Goins
Sent: Wednesday, July 01, 2009 12:37 PM
To: Midrange Systems Technical Discussion
Subject: Re: VIOS DS4700 and a E4A

Patrick Bingham wrote:

Just in our lab. We have an HMC so I move the tape adapter between
partitions.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Kirk Goins
Sent: Wednesday, July 01, 2009 11:44 AM
To: Midrange Systems Technical Discussion
Subject: VIOS DS4700 and a E4A

Anyone running a DS4700 as the disk on an E4A? My understanding is I
would need to run VIOS as the base OS and guest 6.1 on top. On blades
this hasn't been the most stable. If you are running a DS4700, what

are you doing for backups?

Thanks

So unlike a Power6 Blade running VIOS, I can access native tape support?

The stack would look like this

V6R1-1 V6R1-2
VIOS
E4A --- DS4700






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