From a recent thread (rant?) in ASSEMBLER-LIST:
... Do you stand by "SVC 99 for good measure"? Generally, products
do not implement it for good reason. Irrelevant in CICS and IMS.
In batch, it bypasses job scheduler, job restart, violates production
control requirements, bypasses JES3 resource management
and potentially poses a production security risk. TSO has the
alloc command which can easily be used in clists. It exists
because of MVS UNIX. ...
Disregard the anachronism in the last sentence. If, hypothetically,
DYNALLOC except by initiator is so harmful as to be prohibited in
production jobs, is there any way to do so? If it were possible,
what would be the collateral damage? What fraction of production
jobs would work, unmodified, without using DYNALLOC?
Are code reviews a better technique? Other (specify)?
-- gil
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