After upgrading NetBackup, NDMP backups which were previously successful now fail reporting status code 84, and the block position check values do not match.
Messages similar to the following may appear in the bptm log:
<2> io_terminate_tape: block position check: actual 1035091, expected 1034773
The actual block position is +1 from the expected.
<2> io_terminate_tape: block position check: actual 21006, expected 21005
The absolute block position value is far off the expected block position
22:16:20.200  <2> io_terminate_tape: absolute block position prior to writing empty header is 16943749, copy 1
22:16:20.270  <2> io_terminate_tape: block position check: actual 16943749, expected 166533
<16> io_terminate_tape: FREEZING media id ABC123, too many data blocks written, check tape/driver block size configuration
The formal resolution to this issue (Etrack 2387423) is included in the following release:
- NetBackup 7.1 Maintenance Release 3 (220.127.116.11)
More information on NetBackup 18.104.22.168 is available in the Related Article below.