Why would you want to backup local system data to a remote VTL if there was a local VTL available? Perhaps I am missing some context? Why not save to a local VTL and replicate the tape pool files to a remote VTL? I do this with our VTLs and it works like a charm. Additionally, the replicated data has already been "deduplicated" and compressed. This means it's quite likely a tape that's natively 500GB worth of data might only replicate deltas that are a fraction of that 100GB.

The closest thing I have seen to long distance backup is TSM or ADSM. We have used the TSM API to backup limited types of data straight from a partition in one data center to a TSM server in another, via BRMS of course. It's slow, but does work long distance because of the TCP/IP transport. (Obviously you could capture a save file locally and transfer that to a remote device too)

Bradford Lovelady

Operating Systems Engineer
Technology Infrastructure Services

Wells Fargo Bank l 200 Wildwood Pkwy l Birmingham, AL 35209
MAC W2691-010
Tel 205-938-1999 l Cell 205-826-2834


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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jack Kingsley
Sent: Wednesday, October 17, 2012 1:39 PM
To: Midrange Systems Technical Discussion
Subject: Using a VTL (as in remote VTL)

I have some local VTL's defined that I am using, cybernetics and EMC as an example. Now let(s) say I need to do a backup to a VTL device that is not local, is anyone doing anything like this?? If so can you explain a) how and B) how it compares to your local vtl save.
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