Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.29 RELEASE (57)
Table 210:RELEASE (57)
The RELEASE command is used to release a LUN previously reserved. It is not an error for an Initiator to release a LUN that
is not currently active. The drive returns Good status without altering the reservation.
•3rdPty must be 0. Third Party reservations are not supported. If the 3rdPty bit is not zero, Check Condition status is
returned with a sense key of Illegal Request and additional sense code of Invalid Field in CDB.
•3rd Party ID is ignored.
•Extents must be 0. Extension is not supported by the drive.
•Reservation Identification field is ignored.
Byte Bit
76543210
0 Command Code = 57h
1 Reserved = 0 3rdPty=0 Reserved = 0 Ext = 0
2 Reservation Identification
3 3rd Party Device ID
4-8 Reserved = 0
9 VU = 0 Reserved = 0 FLAG LINK