Compaq / HP StorageWorks SDLT 220 GB Tape Drive

Estimate phase 1...
Writing 512 Mbyte   compresseable data:  49 sec
Estimate phase 2...
Writing 512 Mbyte uncompresseable data:  49 sec
Estimated time to write 2 * 1024 Mbyte: 196 sec = 0 h 3 min
wrote 3423690 32Kb blocks in 10470 files in 39578 seconds (short write)
wrote 3261141 32Kb blocks in 20007 files in 66269 seconds (short write)

define tapetype unknown-tapetype {
    comment "just produced by tapetype prog (hardware compression off)"
    length 112560 mbytes
    filemark 545 kbytes
    speed 2171 kps
}

Does this file mark seem high?