122 Commands
10-Byte Only
Release Unit Specific Status:
Status is returned as follows:
■ If the drive is not reserved, GOOD status is reported.
■ If the drive is reserved by another host, GOOD status is reported.
■ If the drive is reserved by this host for this host, the reservation status is
cleared.
2
Reserved (0)
3
Third-Party Device ID
4
Reserved (0)
6
7
(MSB)
Parameter List Length
8
(LSB)
9
Control
7 6 5 4 3 2 1 0
3rd Pty 0 Third-party release is not requested.
1 The initiator requests third-party release. The value in the Third-Party Device ID
field is valid.
LongID This is always zero because device IDs greater than 255 are not supported.
Third-Party Device ID This is required and used only when the 3rd Pty bit is set. The device will perform the
release operation only if the initiator ID, the 3rd Pty bit and the Third-Party Device ID
are identical to those in the
RESERVE UNIT command that established the reservation.
The drive ignores any attempt to release the reservation made by any other initiator,
including the initiator for which the reservation was made.
If an initiator reserved the drive using a third-party reservation over itself, a non-third-
party
RELEASE UNIT command could also release the reservation.
