The main benefit that I see is that you can backup more clients simultaneously
than you have tape drives in your library.

For example, if you want to backup 10 clients at the same time and only have 4
tape drives 6 of the clients will just sit there waiting for tape mounts. If
they backup up to a disk pool first then you don't have this problem.

Quoting "Vibhute, Bandu" <BVibhute AT BAKING.BESTFOODS DOT COM>:

> Salman,
>
> It depends on how you implement DISKDIRPOOL. It takes very less space
> compared to file data. There are various options to keep it in primary
> pools. You can use cache feature and keep it in disk pool.
> If you are restoring from disaster DISKDIRPOOL can be restored from
> offsite
> tape first and then files.
>
> Bandu
> -----Original Message-----
> From: Arshad Sheikh [mailto:amshaik70 AT HOTMAIL DOT COM]
> Sent: Friday, April 20, 2001 8:03 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Why diskdirs pools
>
>
> Forgive my naiveness but why one need to take the backup of dirs on
> disk
> pools, I read that it makes restores efficiently, but when you dirs pool
> is
> copied to tape to offisite, and then when you try to restore it from
> tape,
> then having a struture on one tape and restoring data from other tape is
> not
> relevant as the restore is pretty much sequential, or am very wrong
> here.
>
> Salman
>
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