Specifying VOLUME more or less always requires specification of UNIT.
Ignoring SMS altering the historic behavior, there is a "default
unitname" associated with each userid. For ALLOC VOL to work without
UNIT, the VOL specified must be within the set of devices covered by
that default unitname.
I think it doesn't matter that it's an existing data set.
Why are you specifying VOL for an existing data set???
/Leonard
Itschak Mugzach wrote on 3/20/2024 1:28 AM:
GAdi,
Does this rule apply to existing datasets? The allocation request was for
existing datasets not new.
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On Wed, Mar 20, 2024 at 9:17 AM Gadi Ben-Avi <gad...@malam.com> wrote:
As far as I know, If you do not specify a UNIT Type, it will look for
volumes that are STORAGE.
If there aren't any, the allocation will fail.
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Subject: TSO ALLOC with/wo unit
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I have a program in Rexx that allocates a dataset using dsname and volume
serial (1) . it works well in my shop but requires a unit type (2) in
another shop. Actually the error is msg "IKJ56241I SPECIFIED UNIT IS
UNDEFINED".
Why does 1 work here and fails in another shop?
1. ALLOC F(XXX) DA('dsname') VOLUME(volser)
2. ALLOC F(XXX) DA('dsname') VOLUME(volser) UNIT(390)
ITschak
ITschak Mugzach
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