5.16PERSISTENT RESERVATION IN Command (5Eh)

The PERSISTENT RESERVATION IN command is a 10-byte command used to obtain information about persistent reservations and reservations that are active within a device server. It is used in conjunction with the PERSISTENT RESERVATION OUT command.

Note that a if device that has RESERVE (10), RESERVE (6), extent reservations, or SCSI Media Changer (SMC) element reservations active receives a PERSISTENT RESERVATION IN command, the PERSISTENT RESERVATION IN command is rejected with a RESERVATION CONFLICT status reported.

Table 5-102illustrates the format of the PERSISTENT RESERVATION IN command. Table 5-103explains the data fields of the command.

Table 5-102PERSISTENT RESERVATION IN Command Descriptor Block-Data Format

Bit

7

6

5

4

 

3

 

2

 

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Operation

Code (5Eh)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Reserved

 

 

 

 

Service Action

 

 

 

 

 

 

 

 

 

 

 

 

 

2 - 6

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7 – 8

 

 

 

 

(MSB)

 

 

 

 

 

 

 

 

Allocation Length

 

 

 

 

 

 

 

 

 

 

(LSB)

 

 

 

 

 

9

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maxtor Atlas 10K V

5-73