John Stoffel writes:
The early DLT 7000s also had this problem, since they came with a 4 MB buffer on the drive. At full speed data rates, this wasn't enough to keep the drive from throttling the sender in certain cases.
The current 7k drives all have 8Mb buffers, which let's them hold enough data if they have to re-wind and get back upto speed. That takes about 1.5 seconds to do.
My reference is the "DLT University Handbook".
Any idea how to determine how large the buffers are?