Fujitsu MAW3073 SERIES Specifications page 195

(6) Rejected messages
When the IDD receives a MESSAGE REJECT message from the INIT, the IDD executes one of
the following depending on the rejected message type:
a. TASK COMPLETE
The IDD enters the BUS FREE phase immediately, and does not consider this as an error.
b. DISCONNECT
The IDD does not perform the disconnection of the SCSI bus at this time and continues the
currently executing command with keeping connection with the SCSI bus. However, the IDD
may send the DISCONNECT message to attempt to disconnect during the command execution
if the INIT indicates in the IDENTIFY message that it supports the disconnect/ reconnect
function.
c. IDENTIFY
When this message sent for reconnection is rejected, the IDD immediately enters the BUS
FREE phase and terminates the command which has requested the reconnection abnormally.
No further reconnection for the command is attempted, and the IDD does not report the
command completion (status and message).
information with Sense Key/Additional Sense Code of "ABORTED COMMAND
[=B]/Message Error [=43-00]".
d. LINKED TASK COMPLETE
The IDD immediately enters the BUS FREE phase without requesting the next linked
command (CDB). The command link is broken. Then, the IDD creates the sense information
for the INIT with Sense Key/Additional Sense Code of "ABORTED COMMAND
[=B]/Message Error [=43-00]".
e. MESSAGE REJECT
When the LUN is already identified, the IDD immediately terminates the currently executing
command with CHECK CONDITION status and with the Sense Key/Additional Sense Code of
"ABORTED COMMAND [=B]/Message Error [=43-00]".
When the LUN has not been identified, the IDD immediately enters the BUS FREE phase
without generating sense data.
f. RESTORE POINTERS
The IDD sends this message during the error recovery procedure for the COMMAND phase or
the STATUS phase. If the RESTORE POINTERS message is rejected, the IDD regards the
result of the recovery procedure as a failure.
C141-C011
At this time, the IDD creates the sense
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