RE: Tape Carousel and Logical Partitions

Remember that there are two considerations:

1.)     What works

        and 

2.)     What's "supported"

Regards,
 
Scott Ingvaldson
iSeries System Administrator
GuideOne Insurance Group


-----Original Message-----
date: Thu, 22 Dec 2005 10:35:13 -0500
from: rob@xxxxxxxxx
subject: Re: Tape Carousel and Logical Partitions

They're mistaken.  We've done that on a 3581.

Rob Berendt
Group Dekko Services, LLC

--------------------------

Jeff Young <cooljeff913@xxxxxxxxx> 
Re: Tape Carousel and Logical Partitions


I was told by an IBM Service Rep that you could *not* hook up the second

SCSI port to another controller, just another *device* in the chain.
  This was for a 3581 on an i570.
 
--------------------------

rob@xxxxxxxxx wrote:
  Some IBM tape drives have two SCSI ports in the back. You can hook up 
two systems to it this way (providing you have a SCSI adapter in the
other 
lpar). Vary it off on one, and vary it on the other.
Some IBM tape drives have a fiber attachment. We have a 3582-L23 set up 
this way. Actually we have two 3582L23's, each with two drives, set up 
this way. Each drive's fiber goes to an IBM 2109-F16 SAN switch. Then 
fiber goes from the 2109 to 5704 cards (controlled by 2844 cards) in
each 
box or lpar. We have one drive in one of the 3582's shared with 3 boxes.

Rob Berendt
Group Dekko Services, LLC

--------------------------

Dave Reiher/prairiefarms 
Tape Carousel and Logical Partitions

Hello,

I am fairly new to the AS400 world and need a little assistance.
We have a tape carousel that was purchased before I came on board. Right

now it doesn't seem to be serving a good purpose as far as I can tell. 
They only use one drive in it and we have our main partition and a
couple 
of logical partitions on our 400. Currently they have a job that creates
a 
save file on our Domino partition and then ftp's that over to our main 
partition where it is then placed on the tape with the main partition's 
backup. I would imagine that there has to be a utility or at least a way

that these partitions can use the same tape carousel without having to
do 
it this way. Does anyone know if there is? We run our disk usage to some

dangerous levels the way we currently do it, I can't think that there is

not some way we can utilize that tape drive from each partition. Any 
suggestions??

Thanks!
Dave Reiher
System Analyst
Prairie Farms Dairy - Corporate


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