BE Not writing data more than 300+
I have symantec exec 12.5 updated all the patches,
i am using HP 7973A (800GB) tape to take backup,
My problem is always the BE asking to incert another tape to complete the job,
The total data stored in the current tape is less than 400Gb and it has free space of another 400gb,
Please hel me why this happend? and what i need to check for the same?