
SCSI Commands
Quantum DLT 8000 Tape System 5-133
5.11 PERSISTENT 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 reservations are not persistent across power cycles.
The figure below illustrates the format of the PERSISTENT RESERVATION IN
command; the table that follows explains the data fields of the command.
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (5Eh)
1 Reserved Service Action
2 - 6 Reserved
7 – 8
(MSB)
Allocation Length
(LSB)
9 Unused Reserved Flag Link
Figure 5–64 PERSISTENT RESERVATION IN Command Descriptor Block — Data
Format
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