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C141-E124-01EN3 - 62
Bit
Byte
76543210
0(MSB)
Reservation Key
7(LSB)
8(MSB)
Scope-specific Address
11 (LSB)
12 X'00' (Reserved)
13 Scope Type
14-15 X'00' (Reserved)
If a persistent reservation is present in the logical unit that does not contain elements, there shall be
a single Reservation descriptor in the list of parameter data returned by the device server in
response to the PERSISTENT RESERVE IN command with a READ RESERVATIONS service
action. The Reservation descriptor for each reservation shall contain the RESERVATION KEY
under which the persistent reservation is held. The "Type" and "Scope" of each persistent
reservation as present in the PERSISTENT RESERVE OUT command that created the persistent
reservation shall be returned.
If a persistent reservation is present in the logical unit that does contain elements, there shall be a
Reservation descriptor in the list of parameter data returned by the device server in response to the
PERSISTENT RESERVE IN command with a READ RESERVATIONS service action for the
Logical Unit persistent reservation that is held, if any, and each element persistent reservation that
may be held. The Reservation descriptor shall contain the RESERVATION KEY under which the
persistent reservation is held. The "Type" and "Scope" of the persistent reservation as present in
the PERSISTENT RESERVE OUT command that created the persistent reservation shall be
returned.
If the "Scope" is an Element reservation, the "Scope-specific Address" field shall contain the
element address, zero filled in the most significant bytes to fit the field. If the "Scope" is a Logical
Unit reservation, the "Scope-specific Address" field shall be set to zero.
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