Certainly works from my point of view.  I have limited experience with
it (have not tried all the bells and whistles),  but was impressed with
the following:

- setup was incredibly simple.  Just don't pick the root of a disk (ie:
c:\directory, not c:\)
- single stream backup and restore performance was good on limited disk
resources (I've had 30-50 MB/s on RAID6 1TB SATA drives (albeit it's a
10+2) but on a very modest Hitachi SMS100 array)
- dedupe ratio seemed to be average
- used in conjunction with vStorage API backups for VMware seems
promising

Things I'd be wary of:

- Scalability and (if you're a shop with segregated backup/storage
duties) the ability of a typical backup admin to identify the correct
bottleneck as you grow your pool.  I haven't seen a tuning guide (per
se) for designing your PureDisk pool, and how it scales (for # of media
servers,  size/geometry of database disk etc), but it could very well be
out there and available.  This might alleviate some of the concern
there.
- Global dedupe ratio for large environments
- Cost.  It's rather pricey.

Just a quick reply here, but I can try to be more specific if you have a
particular concern.

Cheers,
Jon



-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
ccosta.ccc AT gmail DOT com
Sent: July 7, 2010 9:29 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] PureDisk Dedup

To all,

We are on the verge of implementing puredisk dedup into our NBU
environment.

I have read up on this feature, but I would prefer to get real life
comments on this solution, so with that being said: 

What has been your experience with PureDisk dedupe? Does it work? What
are some gotchas?, etc.

Thank you in advance


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