If you still want to try - here are my suggestions:

1.  The easiest way to do this is to just define a Storage pool with 1GB of
DASD space, and with no migration.  An expensive solution - but it's his pool;
he can knock himself out.

2.  A cheaper solution would be to define a smaller pool, and then set up a
tape pool to migrate to, and limit the number of volumes that can be kept in
the pool.  For example, a 200MB DASD pool, which migrates to a tape pool of 5
tapes that have a 200MB capacity.  This is more than !GB, but will allow for v
ariations in the amount that can be stored on a single tape.  Of course you
could go straight to tape, too.

What are the problems with this?   For one, if you use compression (and I
would) you can't be sure how much will be gained with the compression.  You
might use this as a selling point - We'll give you 1GB, but you'll get more
with compression.  Also, the nature of tape will mean that you probably need
to over allocate the space.  - If you have a reclaim threshold of 50%, then
you should allow for twice the amount of storage, and then some more.   For
example, a pool of 2GB, at 50% utilization, will hold 1GB.  Then, to allow for
a tape to be reclaimed, and additional volume has to be available.  And then,
as I said before, there's the issue of compression and how much he will
get.......

Hope this gives you some ideas, or perhaps some grounds to argue with your
boss about the best method.

Jerry Lawson
ITT Hartford Insurance Group
jlawson AT itthartford DOT com
________________________Forward Header________________________
Author: INTERNET.OWNERAD
Subject: Q: Specifying maximum file space
02-01-96 02:33 PM

I have a customer who wants to pay our company to backup their NT server.
Of coarse, our Management jump at the chance and said no problem - so
typical, promising things before talking to technical people.....

How can I setup a DOMAIN for this customer and specify the maximum about
of file space the DOMAIN (or whatever) can take up. For example, if the
customer contracts with us for 1GB, We want to limit the customer to
backing up to our ADSM server only 1GB.

Could someone point me in the right direction?

*** Van ***
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