IBM DS4800 User Manual

54. One DS4800 and sixteen EXP710 storage expansion enclosure—recommended cabling . . . .78
55. One DS4800 to seven EXP810 and eight EXP710 storage expansion enclosures—recommended
cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
56. Acceptable EXP710, EXP810 and EXP100 intermix configuration in a DS4800 environment 82
57. Unacceptable EXP710, EXP810 and EXP100 intermix configuration in a DS4800 environment 83
58. Cabling variations when intermixing EXP100, EXP710, and EXP810 storage expansion
enclosures behind a DS4800 Storage Subsystem . . . . . . . . . . . . . . . . . . .84
59. Installing an SFP module and LC-LC cable in a DS4800 . . . . . . . . . . . . . . . .85
60. Installing an SFP module and connecting an LC-LC cable to the storage expansion enclosures 85
61. Location of host cables on RAID controllers . . . . . . . . . . . . . . . . . . . . .88
62. Cabling diagram for four redundant host connections . . . . . . . . . . . . . . . . .89
63. Ethernet and serial port locations . . . . . . . . . . . . . . . . . . . . . . . . .90
64. Host-agent (in-band) managed storage subsystems . . . . . . . . . . . . . . . . . .91
65. Direct (out-of-band) managed storage subsystems . . . . . . . . . . . . . . . . . .92
66. Examples of redundant host direct attached fibre channel configurations . . . . . . . . . .94
67. Example of a single SAN fabric configuration . . . . . . . . . . . . . . . . . . . .95
68. Example of two storage subsystems in a dual SAN environment . . . . . . . . . . . . .95
69. Example of a two-cluster configuration . . . . . . . . . . . . . . . . . . . . . . .96
70. AC power switch and AC and DC power connectors . . . . . . . . . . . . . . . . . .98
71. Redundant AC power connections to controllers and storage expansion enclosures . . . . . .99
72. Installing the front bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
73. AC power switches on the controllers . . . . . . . . . . . . . . . . . . . . . . . 106
74. Front bezel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
75. RAID controller LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
76. Numeric display LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
77. Power supply-fan LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
78. Interconnect-battery unit LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 127
79. Power supply-fan Needs Attention LEDs . . . . . . . . . . . . . . . . . . . . . . 133
80. RAID controller connections . . . . . . . . . . . . . . . . . . . . . . . . . . 134
81. Removing the controller from the storage subsystem . . . . . . . . . . . . . . . . . 135
82. Circuit breaker access holes . . . . . . . . . . . . . . . . . . . . . . . . . . 135
83. Cache Active LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
84. Battery LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
85. Component lever and latch . . . . . . . . . . . . . . . . . . . . . . . . . . 144
86. RAID controller Needs Attention and Service Action Allowed LEDs . . . . . . . . . . . . 146
87. Connectors on the back of each controller . . . . . . . . . . . . . . . . . . . . . 147
88. Unlocking the SFP module latch - plastic variety . . . . . . . . . . . . . . . . . . . 147
89. Unlocking the SFP module latch - wire variety . . . . . . . . . . . . . . . . . . . 148
90. Removing a controller from the DS4800 . . . . . . . . . . . . . . . . . . . . . . 148
91. Overall DS4800 Configuration Needs Attention LED on the DS4800 front bezel . . . . . . . 153
92. Power supply-fan LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
93. Removing a power supply and fan unit from the DS4800 . . . . . . . . . . . . . . . 155
94. Overall DS4800 Configuration Needs Attention LED on the DS4800 front bezel . . . . . . . 157
95. Interconnect-battery unit Needs Attention and Service Action Allowed LEDs . . . . . . . . . 158
96. Removing an interconnect-battery unit from the DS4800 . . . . . . . . . . . . . . . . 159
97. Overall DS4800 Configuration Needs Attention LED on the DS4800 front bezel . . . . . . . 161
98. Battery access cover on the interconnect-battery unit . . . . . . . . . . . . . . . . . 161
99. Overall DS4800 Configuration Needs Attention LED on the DS4800 front bezel . . . . . . . 164
100. Needs Attention and SFP Model Bypass LEDs . . . . . . . . . . . . . . . . . . . 164
101. Replacing an SFP module . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
102. DS4800 parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
103. Location of MAC address labels . . . . . . . . . . . . . . . . . . . . . . . . . 187
104. DS4800 front rack mounting template . . . . . . . . . . . . . . . . . . . . . . . 190
105. DS4800 rear rack mounting template . . . . . . . . . . . . . . . . . . . . . . . 191
xiv IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide
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IBM DS4800 Specifications

General

Brand	IBM
Model	DS4800
Category	Storage
Language	English