Veritas-bu

Re: [Veritas-bu] Adding a DataDomain VTL need advice

2009-10-14 13:06:45
Subject: Re: [Veritas-bu] Adding a DataDomain VTL need advice
From: "BeDour, Wayne" <WBedour AT lear DOT com>
To: <scott.george AT parker DOT com>
Date: Wed, 14 Oct 2009 13:03:34 -0400
We are still going to do offsite storage.  The plan is to write from the
vtl to the smaller library and send offsite.

Wayne BeDour
Unix System Administrator
PH: 313-593-9876  
Internet:  wbedour AT lear DOT com
 
-----Original Message-----
From: scott.george AT parker DOT com [mailto:scott.george AT parker DOT com] 
Sent: Wednesday, October 14, 2009 10:01 AM
To: BeDour, Wayne
Cc: veritas-bu AT mailman.eng.auburn DOT edu;
veritas-bu-bounces AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Adding a DataDomain VTL need advice

I am making the assumption that you:

a) have no requirement for offsite storage or to put it in industry
terms, 
a disaster recovery requirement, and

b) are comfortable with keeping all of your backups on virtual storage.

Personally, I would be uneasy with this, because in the event of a 
catastrophic failure with your VTL (as highly unlikely as it is) your 
backups are gone.  If you are a smaller shop, this risk is acceptable.

On the upside, the performance increase is going to phenomenal.  We just

replaced a non-deduping EMC VTL with a newer one.  One of the things
that 
NetBackup required was to actually emulate the EMC virtual library. 
Otherwise, you will run into some licensing issues.  No biggie, the EMC 
could emulate as many drives and as many tapes as the physical disk 
storage would allow.  There is probably something similar with the Data 
Domain.







"BeDour, Wayne" <WBedour AT lear DOT com> 
Sent by: veritas-bu-bounces AT mailman.eng.auburn DOT edu
10/14/2009 09:32 AM

To
<veritas-bu AT mailman.eng.auburn DOT edu>
cc

Subject
[Veritas-bu] Adding a DataDomain VTL need advice






All 
Our environment HP-UX 11.31 a SureStore 20/700 library with 10 LTO-1 
drives, NetBackup 6.5.2 Master / Media server and one Windows Media
server 
using SSO. 
We are looking at purchasing a Data Domain device, eliminating the 
SureStore library as it is at its end of life and replacing it with a 
smaller library.  We have no experience with a VTL or what pitfalls or 
things to look out for while setting up the new environment.  Any advice

on where to look to gather info, or experiences of what to look out for?

Thanks in advance.
 
Wayne BeDour
Unix System Administrator
PH: 313-593-9876 
Internet:  wbedour AT lear DOT com
 

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