Dfhsm update of Last.Ref date on recall

2006-03-28 Thread Jim Url
During recall of a Dfhsm migrated dataset, the last reference date
will be updated to the date of the recall.  This happens even
if the dataset is not opened, but simply recalled via
IEFBR14 for example.  I would prefer that the last reference
date be updated by open/close instead of recall.

Does anyone know of a Dfhsm patch that will cause Dfhsm to
NOT update the last reference date once the recall is complete?

Now, for the "why", "do you know", "did you consider" questions
and comments.
1) I have some migrated datasets without Dfhsm backup that I
would like to recall, backup, migrate without updating the
last.ref date.
2) this will confound those who simply mass-recall their 
migrated files via IEFBR14 to keep them on dasd for the next
"n" days before they get selected for migration again.
3) yes, I know this could lead to thrashing because Dfhsm might
re-migrate the files the next day and updating the last.ref date
during recall avoids that.

PS: running z/OS 1.4 with Dfsms 1.3

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Re: HSM control dataset control block map's

2005-11-16 Thread Jim Url
If someone knows where can I find a map of the DFHSM
Control Data Set records (MCD etc )
=
Although this isn't exactly what you are looking
for, the DCOLLECT records do contain layouts for
Migrated and Backup datasets (type M & B records).

Just assemble ARCUTILP from SYS1.MACLIB.

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