Product manual

3.10 Release (10) command (57
H
)
The Release (10) command is used to release a previously reserved
logical unit. It is not an error for an initiator to attempt to release a
reservation that is not currently valid. In this case, the drive returns a
GOOD status without altering any other reservation.
Bytes
Bits
7654321 0
0 Operation Code (57
H
)
1
Logical Unit Number
(1)
3rd
Party
(2)
Reserved
Extent
(3)
2 Reservation Identification (4)
3 3rd Party Device ID (2)
4 Reserved
5 Reserved
6
Reserved
7
Reserved
8
Reserved
9 Control Byte (5)
Notes:
1.
The Logical Unit Number must be zero.
2.
If bit 4 is 0, bits 3, 2, and 1 are 0. If bit 4 is 1,
bits 3, 2 and 1 identify the SCSI bus ID of the device
that reserves the drive.
3.
Extent not supported
4.
Must be zero if not supported by the drive.
5
. Normally all zeros. Control Byte can be supported as a special
factory-installed option.
84 Medalist Pro 2160N/2160WC Product Manual, Rev. A