Hitachi ULTRASTAR 15K450 HUS154530VLF400 - Manual (Page 263)

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
7 6 5 4 3 2 1 0
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