I have accidentally overwritten data for a couple of months on an LTO 5 Ultrium tape media using Symantec Backup Exec. I accidentally run a backup job with a media set that overwrites data that is 3 weeks old on a tape that was originally supposed to store data indefinitely.
Is there any tool, method, or procedure that I can use to get access to the earlier jobs written on the tape before the last job that wrote?
My setup is:
HP Ultrium LT05 Tape Drive
Symantec Backup Exec 2010 R3