Re: [Veritas-bu] EMC Data Domain OST Vs VTL with NetBackup
2011-04-14 11:28:51
The OST plugin will help you with the offsite copy to your duplicate DD
appliance because the use of optimized duplication, available when using OST
and NBU, reduces the bandwidth used to duplicate images, speeding up the
duplication process.
Using an SLP (Storage Lifecycle Process) to manage your duplications should
allow you to specify a backup destination (in your case your local DD
appliance) followed by two duplication targets (one being your 2nd dd appliance
and one being a local tape drive).
We've never used the VTL option so I'm not sure if you need to have this
configured in order to be able to duplicate to tape from a DD appliance.
Mark Glazerman
Desk: 314-889-8282
Cell: 618-520-3401
please don't print this e-mail unless you really need to
-----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 sandesh
Sent: Thursday, April 14, 2011 9:38 AM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] EMC Data Domain OST Vs VTL with NetBackup
We are in the early stages of implementing EMC Data Domain dedupe appliance and
use Symantec NetBackup. I've a couple of questions about it for the experts.
Plan is to have a DD appliance in 1 location and replicate data to another DD
appliance in another location. Plan is also to generate a tape copy for long
term archival at primary location.
1.OST & VTL are both being discussed. Which option is most favorable in the
industry? Are there any specific advantages that can make or break things?
2.VTL supports LTO3 drives at the most. Does this mean that we need to have
LTO3 physical tape drives for duplicate copy or will LTO5 drives work?
Thanks in advance.
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