Release Element (10) - 57h

The library releases any outstanding reservation that had previously been made by the same initiator via the RESERVE command. Only whole logical unit reservations are allowed; individual element reservations are not supported.

This command should be used to release the library from any reservations previously made.

The RELEASE ELEMENT CDB format is shown in the following table.

Table 1: RELEASE ELEMENT CDB format

Bit

Byte

7

6

5

4

3

2

1

0

0

Op Code (57h)

1

Logical Unit Number

3rdPrty

Reserved

LongID

Rsvd

2

Reserved

3

Third Party Device ID

4

:

6

Reserved

7

:

8

MSB

Parameter List Length

LSB

9

Control
Field Description
3rdPrty

This field is not supported, and must be set to 0.
LongID

This field is not supported, and must be set to 0 as IDs greater than 255 are not supported.

Third Party Device ID

This field is required and used only when the 3rdPrty bit is set. Since the 3rdPrty bit is not supported, this field must be set to 0.
Parameter List Length

This field is not supported, and must be set to 0.