Proper use of disk to disk to tape backup using de-duplication and LTO5

Posted by Michael on Server Fault See other posts from Server Fault or by Michael
Published on 2011-06-04T18:33:31Z Indexed on 2011/06/22 0:25 UTC
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backup

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backupexec

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deduplication

I currently have ~12TB of data for a full disk to tape (LTO3) backup. Needless to say, it's now requiring over 16 tapes so I'm looking at other solutions. Here is what I've come up with. I'd like to hear the community's thoughts.

Server for Disk-to-Disk
BackupExec 2010 Using De-duplication Technology
20+TB worth of SATA drives
LTO5 robotic library connected via SAS
1Gbps NIC connected to network

What I envision is doing a full backup of my entire network which will initially take a long time over the 1Gbps NIC but once the de-duplication kicks in backups should be quick. I will then use the LTO5 to make disk to tape backups and archive those accordingly.

What does everyone think? Any faster way of doing the initial full backup over the 1Gbps NIC? What will be my pain points? Is there a better way of doing what I'm trying to achieve?

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