Release Command (17 H ) - Seagate MEDALIST 1080SL Product Manual

46 Medalist 1080sl SCSI Product Manual, August 1995
initiator. The SCSI ID of the third-party initiator is specified in the
3rd party device ID field.
The extent bit must always be 0. The drive does not support
extent reservations. If the extent bit is 1, the drive generates a
check condition status.
3.4.12 Release command (17
When an initiator that had reserved the drive using the Reserve com-
mand issues the Release command, it cancels the reservation. If the
drive is not currently reserved and it receives a Release command, the
drive returns a good status.
Bytes
7 6
0 0 0
1 LUN
2 0 0
3 0 0
4 0 0
5 0 0
Byte 1 If the 3rd pty bit is 0, the initiator releases its own reservation. If
the 3rd pty bit is 1, the initiator releases the drive for another
initiator. An initiator can only release a third-party reservation
that it made. The SCSI ID of the third-party initiator is specified
in the 3rd party device ID field.
The extent bit must always be 0. The drive does not support
extent reservations. If the extent bit is 1, the drive generates a
check condition status.
)
H
Bits
5 4 3 2
0 1 0 1
3rd pty 3rd party device ID
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1 0
1 1
Extent
0 0
0 0
0 0
0 0