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SCSI Description
5–122
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
PERSISTENT RESERVATION IN Command (5Eh) (continued)
Table 5-57 represents graphically all possible combinations of Persistent
Reservations Being Attempted when Persistent Reservations are already held for
each of the types of persistent reservations.
Table 5-57 When Do Conflicts Between Existing Reservations and New Reservations Exist?
Persistent Reservation Already Held
Persistent
Reservation
Being
Attempted
READ
Shared
LU
EX
WRITE
Exclusive
LU
EX
READ
Exclusive
LU
EX
Exclusive
Access *
LU
EX
Shared
Access *
LU
EX
WRITE
Exclusive
RO
LU
EX
Exclusive
Access
RO
LU
EX
LU
READ
Shared
EX
N
N
N
N
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
N
N
N
N
Y
Y
Y
O
Y
Y
Y
O
LU
WRITE
Exclusive
EX
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
LU
READ
Exclusive
EX
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
LU
Exclusive
Access *
EX
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
LU
Shared
Access *
EX
N
N
N
N
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
N
N
N
N
Y
Y
Y
O
Y
Y
Y
O
LU
WRITE
Exclusive
RO
EX
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
O
O
N
N
N
N
N
N
N
N
LU
Exclusive
Access RO
EX
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
Y
Y
Y
O
N
N
N
N
N
N
N
N
KEY:
LU = Logical Unit Scope
EX = Extent or Element Scope
RO = Registrants Only
* = Conflicts with all reservation requests
from other initiators.
N = No Conflict
Y = Conflict
O = Conflict occurs if extent or element overlaps with
existing extent or element reservation.
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
Page 15: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xv...
Page 19: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xix...
Page 25: ...About This Manual 1 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 55: ...Installation 3 28 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 69: ...SCSI Description 5 2 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
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Page 297: ...SCSI Description 5 230 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 315: ...Feature Descriptions 6 14 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 321: ...Appendix A Quick Reference A 6 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 363: ...Appendix B SCSI Bus Signal Timing B 42 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 369: ...Index I 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 370: ......
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