ADSM on MVS vs AIX
1996-02-09 17:00:00
Hi,
We're in the process of looking at migrating ADSM from MVS to an
RS/6000. I've noticed this topic being discussed by other folks and had a
few questions for anybody who's gone thru or is going thru this migration.
We're currently running ADSM on a 3090-500J (about 21 MIPS per processor)
and are running into a lot of problems trying to complete our backups at
night. With no background processes (migration, reclamation, etc.) running,
I've noticed that ADSM will take about 90-95% of a CPU during the
incremental backups (10-20 incrementals running at any given time). It
seems to me that since ADSM cannot run on more than 1 processor that we're
running into a bottleneck with the speed of a single processor on a
3090-500J. We're looking at migrating to an RS/6000 model R30 (2
processors). I know it's comparing apples and oranges but will we be
getting more processing power per processor on an RS/6000 R30 than we
currently have on the 3090-500J ??? When we migrate, would it help much if
I split ADSM into 2 separate instances on the same RS/6000 box (our current
database is about 7 GB) ???
Thanks.
Tim Pittson
pittson1 AT bwmail1.hcc DOT com
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