SCSI Commands: 25BPERSISTENT RESERVE IN
Page
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3.13.1.2
PERSISTENT RESERVE IN parameter data for READ KEYS
Byte
Bits
7 6 5 4 3 2 1 0
0
(MSB)
3
Generation
(LSB)
4
(MSB)
7
Additional Length
(LSB)
Reservation Key List
8
(MSB)
15
First Reservation Key
(LSB)
.
.
.
n-7
(MSB)
n
Last Reservation Key
(LSB)
3.13.1.3 PERSISTENT RESERVE IN parameter data for READ
RESERVATION
Byte
Bits
7 6 5 4 3 2 1 0
0
(MSB)
3
Generation
(LSB)
4
(MSB)
7
Additional Length
(LSB)
8
(MSB)
n
Reservation Descriptors
(LSB)
3.13.1.4
PERSISTENT RESERVE IN reservation descriptor
Byte
Bits
7 6 5 4 3 2 1 0
0
(MSB)
7
Reservation Key
(LSB)
8
(MSB)
11
Scope-Specific Address
(LSB)
12
Reserved
13
Scope Type
14
Obsolete
15
Obsolete
Field
Bytes
Bits
Description
Scope 13
4-7 0h = LU_SCOPE: Persistent reservation applies to the full
logical unit
Type 13
0-3
1h = Write Exclusive
Reads Shared: Any application client on any initiator may
initiate tasks that request transfers from the storage
medium or cache of the logical unit to the initiator.
Writes Exclusive: Any task from any initiator other than the
Summary of Contents for LTO 4
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