Quantum DLT 4000 Manual descarregar pdf (Página 64)

SCSI Description

3-2 Quantum DLT 4000 Tape Drive

Table 3–1 Implemented ANSI SCSI-2 Commands

Command Code Class Description

Erase 19h Mandatory Causes all of the tape medium to be

erased, beginning at the current position

on the logical unit.

INQUIRY 12h Mandatory Requests that drive information be sent

to the initiator. The initiator may also

request additional information about

the drive.

LOAD UNLOAD 1Bh Optional Requests that the target enable or

disable the logical unit for further

operations. Prior to performing the load

unload, the target ensures that all data,

filemarks, and/or setmarks shall have

transferred to the tape medium.

LOCATE 2Bh Optional Causes the target to position the logical

unit to the specified block address in a

specified partition. When complete, the

logical position is before the specified

position. Prior to performing the load

unload, the target ensures that all data,

filemarks, and/or setmarks shall have

transferred to the tape medium.

LOG SELECT 4Ch Optional Provides a means for the initiator to

manage statistical information

maintained by the drive about the drive.

This standard defines the format of the

log pages but does not define the exact

conditions and events that are logged.

LOG SENSE 4Dh Optional Provides a means for the initiator to

retrieve statistical information

maintained by the drive about the drive.

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Quantum DLT 4000 Manual Página 64