Nancy,
You are lucky with os390 that tape management is very sophisticated, and is
handled outside of TSM by a combination of tape management system, such as DFRMM
, library management system, in my case STK hsc/library station, and the os390
operating system itself.
I write TSM to two tape libraries one local, one remote and although I cuurently
only use a single server instance for this purpose, the tape drives are shared
happily with numerous other applications. There would be no problem to have
another instance of TSM.
All you need to do in TSM is use taming conventions to ensure that the 2 TSM
instances can be directed to use their own tape ranges.
You need to talk to your os390 storage specialists/sysprogs to fill out the
details.
John
.
"Nancy R. Brizuela" <brizuela AT uwyo DOT edu> on 06/12/2003 05:55:08 PM
Please respond to "ADSM: Dist Stor Manager" <adsm-l AT vm.marist DOT edu>
To: adsm-l AT vm.marist DOT edu
cc: (bcc: John Naylor/HAV/SSE)
Subject: Managing shared tape drives on two servers
Hello All,
We want to put two TSM servers on the same machine, within the same
operating system (OS/390). These servers will need to share a very
limited number of tape drives in two shared automatic tape libraries
(one local and one remote). We will need to do all the daily
maintenance tasks in approximately the same time slot. In addition,
migrations or database backups could kick off at any time on either of
the servers. How are other TSMer's handling the scheduling and sharing
of tape drives between two servers?
I have developed some scripts within TSM that "kind-of" handle the
scheduling and sharing of tape drives in a semi-efficient manner, but
this is certainly not an ideal solution. Has anyone written a "tape
drive manager" or know of a packaged solution?
Thanks!
Nancy Brizuela
University of Wyoming
IBM Systems Group
Ivinson Room 238
(307)766-2958
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