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mhaupt2

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mhaupt2

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October 5th, 2009 14:00

Restoring data on LTO3 on an LTO4 drive

I am using Networker 7.3.1 (Windows 2003) using four LTO3 tape drives, two for NDMP and two for staging our data from our SAN to Tape. Recently we added two LTO4 drives to Networker so now we have two libraries under Devices. The LTO4 drives now handle our staged data and the old LTO3 drives were reconfigured for NDMP backups as well. So now we have 4 LTO3 drives doing NDMP backups.

Well when I tried to restore data from an old LTO3 tape (non NDMP), I had to do it on the LTO4 drives since our NDMP drives are dedicated to NDMP only. Since this tape was from last year, the index was expired and needed to be rebuilt. I ran the the following command (same as I used to when restoring on the LTO3 drives):
scanner -i -S 2292390102 \\.\Tape0

Normally the tape would be scanned and the index rebuilt so I could access the data via the Legato client. However, this time I am getting the following message:
scanner: LTO Ultrium tape 2453112609 for volume 030969L3 conflicts with existing media database entry for LTO Ultrium-3 tape 2453112609
then terminates the scan.

Not sure how to resolve this?