Re: Using multiple tape drives for *NonSys system backup

I thought I understood (from IBM's Debbie Saugen at the last COMMON) that only
through the use of BRMS could a save be done in parallel to more than one drive
- that is - saving libraries partially to TAP01 and partially to TAP02.  The
SAVE commands themselves would not support this.  (The functionality would also
be available via API's).

You would not need an equivalent number of drives to perform a restore.  The
operating system would recognize that more than one tape was used and would
handle the requests for swapping the tapes.

Scott Lindstrom
Zenith Electronics




Glenn Birnbaum <gbirnba@rei.com> on 03/10/2000 10:50:25 AM

Please respond to MIDRANGE-L@midrange.com

To:   "'MIDRANGE-L@midrange.com'" <MIDRANGE-L@midrange.com>
cc:    (bcc: Scott R Lindstrom/ITZ/Zenith)

Subject:  Using multiple tape drives for *NonSys system backup



We're trying to shorten the down time used during our weekly full system
backups.  We have two 3590's available, but under V4R3, cannot use both drives
for a SAVLIB(*NONSYS) backup.

At which release is there support for using multiple drives during restricted
state backups?  Also, any details of how it's implemented and benchmarks of time
savings would be interesting.

TIA,
Glenn Birnbaum
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