I wonder: can I deallocate a dataset with DYNALLOC, that has been allocated
by the initiator because there is a DD statement?
Kees.
Table 1. Verb code 02 (dynamic unallocation) – Text unit keys, mnemonics,
and functions
Hex text unit key Mnemonic DYNALLOC function
.
0007 DUNUNALC Specifies deallocation even if the
resource has the permanently allocated attribute.
.
DUNUNALC specifies that the resource is to be deallocated even if it has the
permanently allocated attribute. The remove in-use option key (DUNREMOV) is
mutually exclusive with DUNUNALC. When you code this key, # must be zero;
LEN and PARM are not specified.
Example: To specify the unalloc option, code:
KEY # LEN PARM
0007 0000 - -
I have used this with success since the very late '70's
to deallocate datasets that were allocated in JCL.
It is currently in a product that is in the field.
Probably the reason you don't see this so much is there is rarely a need for
it.
But when you need it, you need it.
Larry Chenevert
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