Advantage on Data domain is very fast restores. 
You can also configure it with SSO. and share between media servers. So you can
backup and duplicate from the same VTL on multiple media servers.

--- Jim Horalek <nojava at netscape.com> wrote:

> Unfortunately no one has answered Juan's question.
> Any Data Domain, Reo, Septon, Falcon Stor users out there?
>  
> Jim
> 
> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Paul 
> Keating
> Sent: Tuesday, August 01, 2006 12:52 PM
> To: briandiven at northwesternmutual.com; HallC at sec.gov;
> veritas-bu at mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Anyone using VTL
> 
> 
> Some VTL products' de-duplication technology is eons beyond compression,
> with low level pattern matching, etc, etc, enabling upt to 25:1 effective
> "compression".
>  
> VTL allows you to pool disk on a single VTL that can be shared to multiple
> media servers as virtual tape drives, whereas DSSU cannot be shared, so you
> must pre determine how many jobs per storage unit/media server you will run
> in a given night, and allocate the appropriate amount of disk per media
> server.
>  
> if you have an operations group that is accustomed to tape, it maintains the
> tape paradigm they're familiar with.
>  
> VTLs can be clustered, so you can have a second VTL at a second site,
> replicated over IP, without getting into duplication, vaulting, or any sort
> of DR copy within the backup app.
>  
> other stuff, but I'm outta here for the day, and that's all that on the top
> of my mind at the moment.
> :o)
>  
> Paul
>  
>  
> -- 
> 
> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of
> briandiven at northwesternmutual.com
> Sent: August 1, 2006 3:30 PM
> To: HallC at sec.gov; veritas-bu at mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Anyone using VTL
> 
> 
> I guess this begs the question to the audience and the people that have put
> in VTL's ... what problems does a VTL solve that D2D can not?  
>  
> I think the list so far is:
>  
> 1.  Administration is easier
> 2.  Possibly performance
> 3.  Compression (1/2 the disk of D2D)
> 4.  I can use it to stress test a new NBU release
>  
> Anything else?
> 
> > _______________________________________________
> Veritas-bu maillist  -  Veritas-bu at mailman.eng.auburn.edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> 


Blaine Robison
Solaris Ceritfied System Administrator 
Solaris Certified Network Administrator
Veritas Certified Professional
972-853-2459
214-578-5391

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