C:\> robtest.exe
Configured robots with local control supporting test utilities:
TLD(0) robotic path = {2,0,0,0}
Robot Selection
---------------
1) TLD 0
2) none/quit
Enter choice: 1
1
Robot selected: TLD(0) robotic path = {2,0,0,0}
Invoking robotic test utility:
C:\Program Files\VERITAS\Volmgr\bin\tldtest.exe -rn 0 -r {2,0,0,0}
Opening {2,0,0,0}
MODE_SENSE complete
Enter tld commands (? returns help information)
s d
drive 1 (addr 500) access = 1 Contains Cartridge = no
drive 2 (addr 501) access = 1 Contains Cartridge = no
READ_ELEMENT_STATUS complete
m s1 d1
Initiating MOVE_MEDIUM from address 1000 to 500
MOVE_MEDIUM complete
C:\>/cygdrive/c/Program Files/VERITAS/Volmgr/bin
$ nt_ttu.exe
Welcome to nt_ttu, h[elp] or ? for help.
Data Buffer Initial Address - 8f4000
nt_ttu> p
Current filename for testing = \\.\tape0.
Filename is NOT open.
Data buffer address = 8f4000
Maximum buffer size bytes = 262144(10) or 40000(h).
Current record byte count = 4096(10) or 1000(h).
Capacity = 3141533696d.
Space remaining = 2120220672d.
Blocksize = 0 (variable-length mode).
Number of partitions = 0.
Media is not write-protected.
Drive does not support hardware error correction.
Hardware data compression is enabled.
Data padding is disabled.
Setmark reporting is disabled.
Default blocksize = 32768
Maximum blocksize = 16777215
Minimum blocksize = 1
Maximum partition count = 1
End of Tape (EOT) warning zone size = 0
nt_ttu>
Bruce, the important param is "Maximum blocksize = 16777215".