Hello,
This error: Final error code: 0000045d HEX, Final error description: The
request could not be performed because of an I/O device error - appears to
be a hardware related issue. We suggest you refer the technote given below
for the resolution.
Title: -"The error message "Error on a request to space to end of data. The
request could not be performed because of an I/O error" is reported in
VERITAS Backup Exec (tm) 7.x, 8.x or 9.x when attempting any media
operation."
http://seer.support.veritas.com/docs/191694.htm
If the backup device is connected to IDE interface, refer the technote
given below.
Title: -"The error message "The request could not be performed because of
an I/O device error" is reported when performing a backup operation using
an IDE tape drive."
http://seer.support.veritas.com/docs/191896.htm
{Applies to 10.0}
Further, perform back with Windows 2000's native backup utility NTBackup
and verify the outcome.
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.