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[Veritas-bu] Checkpoints and Disk Storage Units
2008-01-17 10:35:18
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Lets
say I have two disk storage units 1TB each in a storage group set to
Prioritized. I'm writing a 1.5TB Backup with checkpoints every 15
minutes. Is it possible with checkpoints enabled that the
backup will write appox 1TB data, mark a checkpoint, and then process the
storage group, see that it is full and continue writing to the next DSU in the
storage group? I read the following in the 6.5 Admin manual that's got me
thinking.
Basic disk staging
limitations
The
basic disk staging method does not support the backup images that span
disk storage units. To avoid spanning storage units: do not
use Checkpoint restart on a backup policy that writes to a storage unit group that
contains multiple disk staging storage units.
So an image
can't span storage units (understood) but can fragments of an
image span disk storage units? I suspect not. I'm trying to create a
scenario to test for this but disk time is limited.
Thanks,
-Jonathan
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