IBM IC35L036UWDY10 Hard Drive Specifications - Page 140

Parameter list, 13.5 Summary, 13.5.1 Scope, Type, 13.5.2 Reservation Key - specs

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8.13.4 Parameter list Bit Byte 7 6 5 4 3 2 1 0 0 (MSB) | 7 Reservation Key (LSB) 8 (MSB) | Service Action Reservation Key 15 (LSB) 16 (MSB) | 19 Scope-specific address (LSB) 20 Reserved 21 Reserved APTPL 22 (MSB) 23 Extent length (LSB) Figure 117. PERSISTENT RESERVATION OUT parameter list 8.13.5 Summary Service Action Scope Rsv Type Key Parameters SvcAct RsvKey S-spec addr Extent length APTPL Generation counter (0) Register ignore verify save ignore ignore apply +1 (1) Reserve apply verify ignore ignore ignore ignore --- (2) Release apply verify ignore ignore ignore ignore --- (5) Preempt apply verify save ignore ignore ignore + 1 and Clear Figure 118. Service Action and parameters and generation counter 8.13.5.1 Scope, Type The Scope and the Type are applied in the process for the Reserve, Release, and Preempted and Abort service action but they are ignored in the process for the Register service action because they are not used. 8.13.5.2 Reservation Key The Reservation Key is verified in each service action process. If the initiator which registered a key is different from the initiator requesting PERSISTENT RESERVATION OUT command, the drive returns a RESERVATION CONFLICT status. Ultrastar 146Z10 hard disk drive specifications 124

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8.13.4 Parameter list
(MSB)
Extent length
(LSB)
22
23
Reserved
21
APTPL
Reserved
20
(MSB)
Scope-specific address
(LSB)
16
|
19
(MSB)
Service Action Reservation Key
(LSB)
8
|
15
(MSB)
Reservation Key
(LSB)
0
|
7
0
1
2
3
4
5
6
7
Bit
Byte
Figure 117. PERSISTENT RESERVATION OUT parameter list
8.13.5 Summary
+1
ignore
ignore
ignore
save
verify
apply
(5)
Preempt
and Clear
---
ignore
ignore
ignore
ignore
verify
apply
(2)
Release
---
ignore
ignore
ignore
ignore
verify
apply
(1)
Reserve
+1
apply
ignore
ignore
save
verify
ignore
(0)
Register
APTPL
Extent
length
S-spec
addr
SvcAct
RsvKey
Rsv
Key
Scope
Type
Gener-
ation
counter
Parameters
Service
Action
Figure 118. Service Action and parameters and generation counter
8.13.5.1 Scope, Type
The Scope and the Type are applied in the process for the Reserve, Release, and Preempted and Abort
service action but they are ignored in the process for the Register service action because they are not
used.
8.13.5.2 Reservation Key
The Reservation Key is verified in each service action process. If the initiator which registered a key is
different from the initiator requesting PERSISTENT RESERVATION OUT command, the drive returns a
RESERVATION CONFLICT status.
Ultrastar 146Z10 hard disk drive specifications
124