W dniu 2011-08-26 13:50, MONTERO ROMERO, ENRIQUE ELOI pisze:
Hi,
Is there some way to modify the (PO) dataset BLOCKSIZE keeping the original
creation date?
IMHO not without tricks.
LIBRARY.TEST.BLKSIZE (PO) lrecl=23200 and blksize=0 creation date=2011/08/11
last ref date=2011/08/15
To alter the blksize, or another dataset specifications, we use this method :
1.- create a new library with the correct specifications.
2.- copy from old to the new.
3.- remove the old lib.
3.- rename the new lib.
(but it shows the NEW creation date = current date)
I want to know how to alter its blocksize or to alter the creation date.
Few thoughts:
a) If you really need it, then ...change the time!
0.- Set clock to the time of creation of old lib
1.- create a new library with the correct specifications.
While "ad hoc" time change is usually unacceptable on production system,
you can use non-prod one.
b) Why do you need original creation time? I'm really curious. Maybe the
requirement is miss?
c) The best idea is to create library with good blocksize. ;-)
SDB coulb be your friend here, and for program libraries rule of thumb
BLKSIZE=32760. Then educate the users and cane those who do not follow...
d) The least recommended: zap VTOC fields.
--
Radoslaw Skorupka
Lodz, Poland
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