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C141-E124-01EN 3 - 61
3.1.18.3 PERSISTENT RESERVE IN parameter data for READ RESERVATIONS
The format for the parameter data provided in response to a PERSISTENT RESERVE IN
command with the READ RESERVATIONS service action is shown below.
Bit
Byte
76543210
0(MSB)
Generation
3(LSB)
4(MSB)
Additional Length (n-7)
7(LSB)
8
n
(MSB)
Reservation descriptor(s)
(see below)
(LSB)
The "Generation" field shall be as defined for the PERSISTENT RESERVE IN READ KEYS
parameter data (see 3.1.18.2).
The "Additional Length" field contains a count of the number of bytes to follow in Reservation
descriptor(s). If the allocation length specified by the PERSISTENT RESERVE IN command is
not sufficient to contain the entire parameter list, then only first portion of the list (byte 0 to the
allocation length) shall be sent to the application client. The incremental remaining bytes shall be
truncated, although the "Additional Length" field shall still contain the actual number of bytes of
Reservation descriptor(s) and shall not be affected by the truncation. This shall not be considered
an error.
The format of the Reservation descriptors is defined below. There shall be a Reservation descriptor
for the persistent reservation, if any, present in the logical unit and a Reservation descriptor for
each element, if any, having a persistent reservation.
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