>
>What I would like to ask the group is what are some
>strategies for batch processing without virtual tape?
>

Eliminate the tape usage.

We looked at virtual tape a few years ago and decided it was not a good fit
for us.  We were not huge users of tape, and we didn't want to maintain and
pay for another system in perpetuity, so we went the other direction -
eliminate tape usage where possible.   We spent the money on man-hours
instead of hardware.

1) We worked with job owners to change their jobs so data was written to
disk files instead of tape files were appropriate.  This had the added
benefits of getting the data into SMS management and eliminated a BCP hole
that existed - data that only had one copy on a tape stored onsite.

2)Tape backups were replaced with CA-Disk (hsm) application backups.  Had
the added benefit of duplicate copies since we keep CA-Disk backups both
onsite and offsite.  The automatic consolidation (stacking) that CA-Disk
manages also saved us some money with Iron Mountain by greatly reducing the
number of tapes we shipped and storage there.

We not only managed to keep another piece of hardware out of the shop, but
eliminated one of our two STK powderhorn silos by doing this.   We are
working on getting to the point where we run only system level applications
with tape - DB2/IMS images, CA-Disk backups and archives, BCP backups.

Jeffrey Deaver, Senior Analyst, Systems Engineering
651-665-4231

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