Ed, 

What cache sizings are you sing for your flashbackups? I have tried letting 
backups determine the size as well as modifying the cache size based on 
VERITAS's recommendations but was getting 156s' repeatedly. With these concerns 
and many other problems we didn't deploy the product as a solution.  The 
storage is a mix between symmetrix, and clariion. We are running 5.1MP6, the 
hosts are windows 2003 R2, the master is a UNIX Solaris 8 running SSO. We have 
many millions of small files and terabytes of data.  Any feedbackup would be 
great...

Thanks,
Chris Hall


-----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 Paul 
Keating
Sent: Tuesday, May 22, 2007 11:52 AM
To: Ed Wilts; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Tuning Windows backups

Just out of curiousity, what is the filesystem sizes, and amount of
"free space" on the filesystems?

Ie, are youbacking up 2TB volumes with 1TB of data?
Or more like 900GB of data on a 1TB volume?

We're getting killed with some boxes that have about 1TB on a 2TB
volume, but millions of files.
It's gotten worse over time despite little data growth.
Assuming defragging is sucking...
However, backing up 1TB of empty space using FlashBackup would suck.

Also, maybe I'm out of the loop...been a while since I looked into this,
but is single file restore available with Flashbackup for Windows now?

Paul


-- 


> -----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 Ed Wilts
> Sent: May 18, 2007 9:57 AM
> To: Bluejay AT fujigreenwood DOT com; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Tuning Windows backups
> 
> 
> Flashbackup.  That's the best answer on any client with 
> millions of little
> files.  We're using it on file systems much larger than yours 
> and with 10x
> the number of files.
> 
>       .../Ed
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