SCSI Description
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5–165
5.31 RELEASE (10) Command (57h)The RELEASE and the RESERVE commands are used for contention resolution in
multiple-initiator systems. The RELEASE (10) command is used to release a
previously reserved logical unit. The drive will not return an error if the initiator
attempts to release a reservation that is not currently valid.
Bit
Byte
7 6 5 4 3 2 1 0
0Operation Code (57h)
1Reserved 3rdPty Reserved LongID Extent
2Reservation Identification
3Third Party Device ID
4 - 6 Reserved
7 - 8 (MSB) Parameter List Length (LSB)
9Control
Figure 5–79 RELEASE (10) Command Descriptor Block — Data Format