Veritas-bu

[Veritas-bu] Anyone using VTL

2006-08-01 15:29:55
Subject: [Veritas-bu] Anyone using VTL
From: briandiven at northwesternmutual.com (briandiven AT northwesternmutual DOT com)
Date: Tue, 1 Aug 2006 14:29:55 -0500
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?

________________________________

From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Hall,
Christian N.
Sent: Tuesday, August 01, 2006 2:03 PM
To: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Anyone using VTL


Juan,
 
I would have to agree with John Howard on this. We looked at VTL for our
backup environment but before we could see where to put it.  We asked
ourselves what problem(s) are we trying to solve. In some cases the VTL
can give performance boosts where tape drives are the bottleneck.
However, if tape drives are under utilized it might logical
configurations (e.g, buffer settings, backup configurations) needing to
be adjusted or removed. It could be a limitation of host architecture,
or other elements such as networking, number of files being backed up,
type of data etc.. 
 
-Chris 
 

________________________________

From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of John
Howard
Sent: Tuesday, August 01, 2006 1:34 PM
To: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Anyone using VTL


I agree with Jim. Inexpensive disk used along with disk staging and some
tape is a much better value than buying a VTL that will emulate a robot
and drives. Before you buy a VTL you really need to ask yourself what
specific problem you are trying to solve. 

john




On 8/1/06, Jim Horalek <jimh at federaledge.com> wrote: 

        There are many VTLS on the market. And usually come at a steep
price. Note
        you are actually purchasing disk at a premium prices with
limited
        expandability. Adding cheap linux mediaservers with cheap raid
disk is
        arguably a cheaper solution.
        
        jim
        
        
        -----Original Message-----
        From: veritas-bu-bounces at mailman.eng.auburn.edu
        [mailto: veritas-bu-bounces at mailman.eng.auburn.edu
<mailto:veritas-bu-bounces at mailman.eng.auburn.edu> ] On Behalf Of Juan
Pablo
        Almeida
        Sent: Tuesday, August 01, 2006 9:13 AM
        To: veritas-bu at mailman.eng.auburn.edu
        Subject: [Veritas-bu] Anyone using VTL
        
        
        Hi,
        
                What do you think about VTL?
                Are you using VTL? what model?
        
                EMC DL710 or NetApp VTL600?
                What about Storagetek?
        
        Thanks in advance.
        
        Juan
        
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