Gibney, Dave wrote:
We're thinking about dasd to dasd backups to cover these issues.
It's not worse than tape backup.
DASD is more expensive, but better protected against media failures
(most probably it's RAID-protected). DASD backup is as "online" as tapes
in ATL (robotic library).
The disadvantage is price and limited capacity.
Last but not least, you can do "n-th" copy on the tape and remove it
from library/operator room, just to sleep safe, while it is much harder
to do with DASD media.
My $0.02
--
Radoslaw Skorupka
Lodz, Poland
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