HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 27

I/O modules, I/O module status indicators

Page 27 highlights

I/O modules Two I/O modules provide the interface between the drive enclosure and the host controllers. See Figure 7 (page 27). They route data to and from the disk drives using Loop A and Loop B, the dual-loop configuration. For redundancy, only dual-controller, dual-loop operation is supported. Each controller is connected to both I/O modules in the drive enclosure. Figure 7 I/O module 1. Status indicators (Upper port, Power, and Lower port) 2. Upper port 3. Lower port The I/O modules are functionally identical, but are not interchangeable. Module A can only be installed at the right end of the enclosure, and module B can only be installed at the left end of the enclosure. See Figure 6 (page 26). Each I/O module has two ports that can both transmit and receive data for bidirectional operation. Activating a port requires connecting a FC cable to the port. The port function depends upon the loop. See Figure 8 (page 27). Figure 8 Input and output ports 1. Loop A lower port 3. Loop B lower port 2. Loop A upper port 4. Loop B upper port I/O module status indicators There are three status indicators on the I/O module. See Figure 7 (page 27). The status indicator states for an operational I/O module are shown in Table 2 (page 28). Table 3 (page 28) shows the status indicator states for a non-operational I/O module. Fibre Channel drive enclosures 27

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185

I/O modules
Two I/O modules provide the interface between the drive enclosure and the host controllers. See
Figure 7 (page 27)
. They route data to and from the disk drives using Loop A and Loop B, the
dual-loop configuration. For redundancy, only dual-controller, dual-loop operation is supported.
Each controller is connected to both I/O modules in the drive enclosure.
Figure 7 I/O module
1. Status indicators (Upper port, Power, and Lower port)
2. Upper port
3. Lower port
The I/O modules are functionally identical, but are not interchangeable. Module A can only be
installed at the right end of the enclosure, and module B can only be installed at the left end of the
enclosure. See
Figure 6 (page 26)
.
Each I/O module has two ports that can both transmit and receive data for bidirectional operation.
Activating a port requires connecting a FC cable to the port. The port function depends upon the
loop. See
Figure 8 (page 27)
.
Figure 8 Input and output ports
2. Loop A upper port
1. Loop A lower port
4. Loop B upper port
3. Loop B lower port
I/O module status indicators
There are three status indicators on the I/O module. See
Figure 7 (page 27)
. The status indicator
states for an operational I/O module are shown in
Table 2 (page 28)
.
Table 3 (page 28)
shows
the status indicator states for a non-operational I/O module.
Fibre Channel drive enclosures
27