On Tue, 25 Apr 1995 16:23:41 PDT Joseph A. Faracchio said:
>We have been using 3480 cartridges on a VM system for over a year now
>with about 100 users (with *LOTS* more coming real soon now.)
>I've recently gotten access to 3490s and have them working with VMTAPE,
>too.
>
>So I changed the NEXTPOOL parms of the 3480s to point to the 3490s and it
>immediately started to move (what looked like) all the data to the
>the 3490s.   I quickly cancelled that PROCESS because it was not what
>I intended.   It did raise the question of what the HI & LOW parms mean
>when you're talking about tape media.  (It means nothing when you have no
>NEXTPOOL but when one exists then what??? (compared to DASD!)
>
>And, with COLLOCATION ON, will it move *all* a users data to new 3490s when
>its moving *any* of it from dasd to tape?
>
>Someone suggested making the 3480s a READ/ONLY group but then I'm confused as
>to whether to make the 3490s part of the same STGPOOL or a NEXTPOOL group?
>

I did what has been suggested to you - I made 3490 pool the nextpool and
3480 pool is sitting there as a READ/ONLY pool. I used to move data from
3480 volumes once in a while but I don't bother about them anymore.
--deba
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