Tandberg Data manual Functional Specifications, Performance Data, Feature Sdlt 600 Tape Drive

Functional Specifications SDLT 600 Product Manual

3.2Functional Specifications

The following subsections contain functional specifications for the SDLT 600 tape drive.

3.2.1Performance Data

Table 3-10provides performance data for the SDLT 600 tape drive system. For a comparison of SDLT 600 tape drive storage capacities, refer to Section 3.1.5, “Storage Capacity” on page 3-5.

Table 3-10.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, refer to SDLT 600 Design and Integration Guide, 81-81196-01.

3-8 March 2004 81-81184-02 REV A01