User's Manual

Chapter 2 SDLT 600 Tape Drive Specifications
Functional Specifications
SDLT 600 Product Manual 22
Table 10 SDLT 600 Tape Drive
Performance Data
Feature SDLT 600 Tape Drive
Drive Read/Write Transfer Rate* 36 MB/second, native
72 MB/second, compressed
Tracks 40 logical tracks
640 physical tracks
Track Density 1502 tracks per inch (tpi)
Linear Bit Density 233 Kbits per inch (Kbpi)
Read/Write Tape Speed 108 inches per second (ips)
Rewind Tape Speed 160 ips
Linear Search Tape Speed 160 ips
Average Rewind Time** 77 seconds
Maximum Rewind Time** 156 seconds
Average Access Time** (from
BOT)
79 seconds
Maximum Access Time** (from
BOT)
190 seconds
Load to BOT** 18 seconds (typical)
63 seconds (unformatted tape)
Unload from BOT** 19 seconds
Nominal Tape Tension Stationary: 3.0 ± 0.5 oz
Operating Speed: 3.5 ± 0.5 oz
* Depending on data type and SCSI bus limitations/system
configuration.
** Note that data is typical; times may be longer if error recovery
time is necessary, or if the command times out for any reason. For
information on SCSI command timeout values, see the
SDLT 600
Design and Integration Guide, 81-81196-xx.