Persistent reserve in reservation descriptor, Persistent, Reserve – Dell PowerVault TL2000 User Manual
Page 57: Parameter, Data, Read, Reservation, Descriptor
Bit
7
6
5
4
3
2
1
0
Byte
n
-
7
(MSB)
Last
reservation
key
n
(LSB)
Field
descriptions:
Generation:
See
SPC-3
r23.
Additional
Length:
See
SPC-3
r23.
Reservation
Key
List:
See
SPC-3
r23.
PERSISTENT
RESERVE
IN
Parameter
Data
for
Read
Reservation
The
format
for
the
parameter
data
provided
in
response
to
a
PERSISTENT
RESERVE
IN
command
with
the
Read
Reservation
service
action
is
shown
below:
Bit
7
6
5
4
3
2
1
0
Byte
0
(MSB)
Generation
3
(LSB)
4
(MSB)
Additional
length
(n
-
7)
7
(LSB)
8
(MSB)
Reservation
Descriptors
n
(see
next
table)
(LSB)
Field
descriptions:
Generation:
See
SPC-3
r23.
Additional
Length:
See
SPC-3
r23.
Reservation
Descriptors:
See
SPC-3
r23.
PERSISTENT
RESERVE
IN
Reservation
Descriptor
The
format
for
the
reservation
descriptor
is
shown
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.
Bit
7
6
5
4
3
2
1
0
Byte
0
(MSB)
Reservation
Key
1
(LSB)
2
(MSB)
Scope-Specific
Address
Chapter
3.
Supported
SCSI
Commands
3-43