On Aug 5, 2005, at 8:07 PM, glen herrmannsfeldt wrote:
Mautalen Juan Guillermo wrote:
I have a TAPE containing many datasets (there were copied to tape
using
IEBGENER utility program).
What is the easiest way to download to disk ALL the TAPE datasets? (i
want 1 sequential disk dataset per tape dataset exiting on the volume)
How about IEHMOVE and the COPY VOLUME control card?
IEHMOVE is said to be slow, though I don't know that IEBGENER
is that fast, but it would, at least, be one job step
saving much in step initialization.
--SNIP____________
Glen, its been a while but IIRC the tape must have been created with
IEHMOVE. Many moons ago (30+ years) we used to re-organize our source
libraries copying to tape and then back to disk (this was with MFT so
you know it was SLOW). I don't think IBM touched IEHMOVE since then. I
am sure there were small bug fixes but no rewrite. The "header(not
label)" contains IEHMOVE information. I don't recall of the information
ever being externalized. I am sure that having the source fiche would
have helped.
I wrote a front end to one of the utilities that changed the IEHMOVE to
IEBCOPY and the jobs ran a LOT faster.
Ed
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