Exabyte EXB-8505 8mm manual Scsi Commands, 2SCSI-2 command set, Command OP Code Description

5Interface Specifications

SCSI Commands

The SCSI-2 command set supported by the tape drive consists of 19 six-byte commands (Group 0 command set) and 6 ten-byte commands (Group 1 command set). These commands are listed in Table 5-2.

Note: Tapes written and read in 8200 format use the SCSI-1 command set. See the EXB-8205 and EXB-8505 SCSI Reference for more information.

Table 5-2SCSI-2 command set

Command	OP Code	Description
ERASE	19h	Causes the tape drive to erase all tape from the
		current tape position to the physical end of tape.
INQUIRY	12h	Requests that information about the tape drive
		parameters be sent to the initiator.
LOAD/UNLOAD	1Bh	Causes the tape drive to load or unload the data
		cartridge.
LOCATE	2Bh	Allows you to position the tape at a specified logical
		block address. Used in conjunction with the READ
		POSITION command.
LOG SELECT	4Ch	Allows you to manage the counters that the tape drive
		maintains about its write and read error recovery
		operations.
LOG SENSE	4Dh	Allows you to retrieve statistical information about the
		tape drive’s read and write error recovery operations.
MODE SELECT	15h	Allows you to specify medium, logical unit, and device
		parameters.
MODE SENSE	1Ah	Enables the tape drive to report medium, logical unit,
		or device parameters.
PREVENT/ALLOW MEDIUM	1Eh	Allows or disallows the removal of the data cartridge
REMOVAL		from the tape drive.
READ	08h	Transfers one or more bytes or blocks of data from the
		tape to the initiator.
READ BLOCK LIMITS	05h	Requests that the tape drive return data identifying the
		maximum and minimum logical block lengths
		supported.

5-4	EXB-8205 and EXB-8505	510504
	(Standard and XL)