Exabyte EXB-8505 8mm - Manual (Page 88)

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.
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
REMOVAL 1Eh Allows or disallows the removal of the data cartridge
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.
Table 5-2 SCSI-2 command set
5-4 EXB-8205 and EXB-8505 510504
(Standard and XL)
5 Interface Specifications