Datasheet

4.1 Control/Sense Commands
C141-C008 4-85
− Commands issued by INIT #B to TARG #0 are rejected with a
RESERVATION CONFLICT status, except the INQUIRY, REQUEST
SENSE and RELEASE commands. A RELEASE command is terminated
normally, but it has no influence on the TARG #0 reserve right.
3. An example of the third party reserve function is applicable when using the
COPY command. For example, TARG/INIT #1 supports the COPY
command, uses the COPY command and in the case that a data transfer
between TARG #0 and TARG/INIT#1 is executed, if the third party reserve
in 2) is executed before INIT #A issues a COPY command to TARG/INIT
#1, access to TARG #0 by INIT #B during execution of the COPY command
can be prohibited.
4.1.11 RESERVE EXTENDED (56)
Bit
Byte
7 6 5 4 3 2 1 0
0 X‘56’
1 0 0 0 3rd Pty 0 0 0 0
2
× × × × × × × ×
3 Third Party Device ID
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0
7
× × × × × × × ×
8
× × × × × × × ×
9 0 0 0 0 0 0 0 0
Together with the RELEASE command, this command controls exclusive access
to the logical unit (IDD) under a multi-initiator environment.