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HP SureStore DAT8i Backs Up Less Than 3G

By Nivek R. ·
Using SureStore DAT8i 4/8GB drive. Using BASF and 3M/Imation DDS2 120 tapes (rated at 4GB uncompressed, 8GB compressed). The already compressed info on the drives we're backing up (in WinNT SP6a using NT backup) is about 2.8GB. Backup asks for a second tape after about 2.775GB. Since data's already compressed on the HDD, we don't expect more than 4GB per tape, but we're only getting about 70% of that. We've run HP Library and Tapetools diagnostics, and nothing about the drive or media exceed the error thresholds. Tried cleaning the drive. Thoughts?

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HP SureStore DAT8i Backs Up Less Than 3G

by bohicam1 In reply to HP SureStore DAT8i Backs ...

The reason you can't do this is because windows must uncompress the files in order to allow them to be backed up. From your backup software, you may use the compress utility in order to have the data compressed once again.
ps. no matter what you do...backup, move, copy, etc. data must be uncompressed to do this, no way around it.
Good luck!

Mike

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HP SureStore DAT8i Backs Up Less Than 3G

by Nivek R. In reply to HP SureStore DAT8i Backs ...

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HP SureStore DAT8i Backs Up Less Than 3G

by Nivek R. In reply to HP SureStore DAT8i Backs ...

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