Hello,
The error message "An attempt to write database end of media has failed" is a generic hardware error message.
I
We presume that you are using 10.0 5520.
please check whether the device is "tested" by backup Exec with the help of the list below:
If yes then please install latest veritas drivers.
Backup Exec 10.0 for Windows Servers robotic library Hardware Compatibility List (HCL)
http://support.veritas.com/docs/274348
Backup Exec 10.0 for Windows Servers Standalone Drives Hardware Compatibility List (HCL)
http://support.veritas.com/docs/274347
Latest veritas drivers for 10.0 5520:
Document ID: 273887
VERITAS Backup Exec (tm) 10.0 - Device Driver Installer (20050115) - Includes Tape Driver Release (20041231) and Robotic Library Release (45) (Intel Only)
http://support.veritas.com/docs/273887
If the device is not tested in the hardware compatibility list then please install the latest OEM drivers.
II
Please check the event logs whether there are any event id 9 or 11 related to the device.
Please update us the results.
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Additional Information :
For information on the recent VERITAS Backup Exec security vulnerabilities, including links to the downloads for the necessary hotfixes, please refer to the following document:
Patch summary for Security Advisories VX05-001, VX05-002, VX05-003, VX05-005, VX05-006, VX05-007
http://seer.support.veritas.com/docs/277429.htm
NOTE : If we do not receive your reply within two business days, this post would be marked "assumed answered" and would be moved to "answered questions" pool.
Thanks,