Migration Levels and 3590 Drives
1999-03-08 08:23:53
I have 4 3590 drives in a 3494 library. ADSM clients are writing to disk pools
and data is migrated to tape. Questions are:
1. Given that my disk storage pools are not large enough to hold all of the data
from clients without filling up a few times, how should I set my HIGH and LOW
Migration levels to get the best throughput ?
2. Reading through the IBM 3590 operators guide, I see that they suggest
setting the tape block size (on AIX) to "0" (variable block size What block
size are you setting for your 3590 drives ?
3. If I change, the block size of my 3590 drives from "0" to some fixed value,
won't this cause problems for data backed-up with a variable block size ?
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