4
Enabling/Disabling Auto Include
..........................................................................................................
72
Enabling/Disabling Auto Rebuild
.........................................................................................................
72
Starting/Stopping a Rebuild
..................................................................................................................
72
Setting the Controller SCSI ID
..............................................................................................................
73
Changing Other Controller SCSI Settings
............................................................................................
73
Switching Controllers
...........................................................................................................................
73
Testing a Controller
..............................................................................................................................
73
Formatting the Array
............................................................................................................................
74
Shutting Down the Array
.......................................................................................................................
74
Setting the Language
.............................................................................................................................
74
U
SING
C
ONTROL
P
ANEL
M
ENUS
................................................................................................................
75
Language
...............................................................................................................................................
76
Cntrl Changes
.......................................................................................................................................
76
Disk Changes
........................................................................................................................................
79
Logical Drv Changes
............................................................................................................................
81
Shutdown
...............................................................................................................................................
82
View Settings
.........................................................................................................................................
82
CHAPTER 4. CONCEPTS AND MANAGEMENT
................................................................................
83
D
ISK
A
RRAYS IN
B
RIEF
..............................................................................................................................
83
D
ISK
A
RRAY
F
EATURES
.............................................................................................................................
84
Dynamic Data Migration
......................................................................................................................
84
Logical Drives (LUNs)
..........................................................................................................................
88
Auto Include
..........................................................................................................................................
89
Active Hot Spare
...................................................................................................................................
89
Auto Rebuild
..........................................................................................................................................
90
Auto Failover
........................................................................................................................................
91
Shutdown
...............................................................................................................................................
92
D
ISK
A
RRAY
H
ARDWARE
..........................................................................................................................
93
Disk Array Controller Module
..............................................................................................................
93
Disk Modules
........................................................................................................................................
95
Power Modules
.....................................................................................................................................
98
Fan Modules
.........................................................................................................................................
98
SCSI Bus Topology
................................................................................................................................
99
M
ANAGING THE
D
ISK
A
RRAY
C
APACITY
.................................................................................................
100
Sample Capacity Allocation
................................................................................................................
101
Capacity Management Strategies
.......................................................................................................
103
U
PGRADING THE
C
APACITY OF A
F
ULLY
-L
OADED
D
ISK
A
RRAY
.............................................................
104
O
PTIMIZING
P
ERFORMANCE
.....................................................................................................................
105
Controller Data Path
..........................................................................................................................
106
Performance Metrics
...........................................................................................................................
107
Rebuild Impact on Performance
.........................................................................................................
109
Write Working Set
...............................................................................................................................
109