I couldn't find this one in the list archvies, so here it is.

I'm using 40GB DLT tapes (according to the label). Despite what the comment 
produced says, I used the non-compressed device. I didn't give it an estimate 
for the tapesize.

Writing 256 Mbyte   compresseable data:  34 sec
Writing 256 Mbyte uncompresseable data:  105 sec
WARNING: Tape drive has hardware compression enabled
Estimated time to write 2 * 1024 Mbyte: 840 sec = 0 h 14 min
wrote 1102644 32Kb blocks in 3372 files in 21817 seconds (short write)
wrote 1101228 32Kb blocks in 6756 files in 29828 seconds (short write)
define tapetype HP-DLT1e {
    comment "just produced by tapetype prog (hardware compression on)"
    length 34499 mbytes
    filemark 13 kbytes
    speed 1399 kps
}

---- 
Ean Kingston (ean_kingston AT kanetix DOT com)
Analyst
Kanetix Ltd. (www.kanetix.com)
Phone: (416) 599-9779 x216