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05-22-2012 05:38 AM
05-22-2012 05:38 AM
Data loss with Data Protector Express and Ultrium 3000
Hello,
I have a problem with data loss using Data Protector Express 5.0.00.59287, and an EH957A Ultrium 3000 half-height SAS tape drive, on a Windows 7 SP1 system.
This is a new system. I started with a full backup, and have been doing incremental backups each day since.
- 05/19 full backup succeeded (952.62 GB)
- 05/20 incremental backup succeeded (80.87 GB)
- 05/21 incremental backup failed (nothing backed up, missing about 80GB)
- 05/22 incremental backup succeeded (78.54 GB)
The reason for the failure on 05/21 was "power failure." The Windows PC went to sleep. I have corrected that problem, so it should not happen again. However, I have not been able to fix the problems that followed. So, if an incremental backup ever fails in the future, I think the same problems will happen all over again.
Problem 1: I tried to re-run the 05/21 incremental backup. Each time it said it "succeeded" but it didn't select any files, and no data was backed up. Any ideas why this happened, and how I can avoid the problem in the future?
Problem 2: When the 05/22 incremental backup ran, it succeeded; but it selected only files from the previous 24 hours. Any ideas why this happened?
I'd like to either (a) re-run a failed backup, or (b) have the next day's backup pick up 48 hours worth of files.
Somewhere, there's a list of files that Data Protector Express thinks it backed up, but it didn't. Those files are still on disk, for a while, but the files are not on tape. Help!
Thanks!