User's Manual

DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem 8 5

. . STATUS phase

is requested by the initiator. The only exception is during error cases when the device

Status bytes the tape drive returns are as follows:

•

REQUEST SENSE command should be sent following this status to determine

•

unable to accept a command from an otherwise acceptable initiator. The initiator

•

for commands issued with the LINK bit set. Following the return of this status,

command.

RESERVATION CONFLICT (18h): This status is returned by the drive whenever

initiator with a RESERVE UNIT command.

COMMAND TERMINATED (22h): This is the status returned for a command

indicates that a contingent allegiance condition has occurred.

NOTE

In contrast to the BUSY status condition, the DRIVE NOT READY Sense

command and indicates that a media access command has been issued

installed, the media has been unloaded, the drive is currently initializing

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In the not ready state, the initiator cannot perform any operation which would cause

will return a CHECK CONDITION status with a DRIVE NOT READY sense key.

and a GOOD status may be returned.