Hi,

Yes, if both siteA and siteB is under one backup domain, inventory of siteB 
library will update siteA media catalog. However, the replication of virtual 
tape from siteA to siteB, will the mediaID be the same? Does NBU allow the same 
tape media exist in different tape libraries?

Another question with regards to this setup. If i were to restore data in siteA 
and siteA VTL is down, what is the best way to restore data that sit at siteB?



Cloonster wrote:
> We were looking to setup the same environment, we are starting to look
> at merging 3 NBU domains into 1. And will therefore be able to inventory
> a library at site B. as one domain NBU would know about these volumes.
> No need for importing etc merely lose sight A, inventory site B.
> 
> Regards
> 
> David Clooney
> Enterprise Storage Services
> 
> Internal X66059
> External +44 20 8760 6059
> david.clooney < at > bankofamerica.com
> 
> 
> -----Original Message-----
> From: veritas-bu-bounces < at > mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces < at > mailman.eng.auburn.edu] On Behalf Of dy018
> Sent: 27 March 2009 07:13
> To: VERITAS-BU < at > mailman.eng.auburn.edu
> Subject: [Veritas-bu] VTL Replication between 2 sites
> 
> 
> Hi,
> 
> Anyone has the following setup in their environment?
> 
> I read about some VTL from EMC, IBM, HP, etc having storage products
> such VTL that ables to do low-bandwidth replication using LAN or WAN.
> 
> If incoperate this with NBU, imagine i have a master server on siteA and
> control a media server at siteB. I have 2 x VTLs, 1 in site A (robot
> control by master) and 1 in siteB (robot control at media server). 
> 
> Backups going from siteA to VTL will be replicated over to siteB VTL.
> I've check that this replication is done by the VTL and so NBU will not
> be aware of the replication. In the event of restoration of siteA data
> into siteB servers, what will be the restore process? 
> 
> My guess will be needing to import all the data replicated over to siteB
> first before doing restore? Anyone can verify?
> 
> Regards
> 
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