Persistent Reserve In
Julyl 2017 Command Set 171
Read Full Status Data
The Read Full Status service action requests that the library return a list of all the
current Reservation keys it has registered along with information about each initiator.
TABLE 4-91 shows the format of the parameter data returned in response to a
Persistent Reserve In command with the Read Full Status service action.
TABLE 4-91 Read Full Status Data
Byte
Bit
76543210
0
to
3
(MSB)
PRGeneration
(LSB)
4
to
7
(MSB)
Additional Length (n-7)
(LSB)
Full Status Descriptors
8
to
55
(MSB)
First Full Status Descriptor
(LSB)
n-47
to
n
(MSB)
Last Full Status Descriptor
(LSB)
Read Full Status Data Definitions:
PRGeneration This value is a 32-bit counter that is incremented every time a Persistent
Reserve Out command requests a Register, Register & Ignore, a Clear, a
Preempt, or a Preempt and Abort operation.
It allows the application client to determine if another application client has
changed the configuration.
This counter is set to zero after a Power-On-Reset.
Additional Length This field indicates the number of bytes in the list of full status descriptors
Full Status Descriptor See TABLE 4-92 for more information.
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