51. Ethernet and serial port locations on DS5020 . . . . . . . . . . . . . . . . . . . . 81
52. Host-agent (in-band) managed storage subsystems . . . . . . . . . . . . . . . . . . 83
53. Direct (out-of-band) managed storage subsystems
. . . . . . . . . . . . . . . . . . 84
54. Location of host cables on RAID controllers on the DS5020 . . . . . . . . . . . . . . . 85
55. Cabling diagram for two redundant host connections. . . . . . . . . . . . . . . . . . 86
56. Examples of redundant host direct attached Fibre Channel SAN configurations . . . . . . . . 88
57. Example of a single SAN fabric configuration
. . . . . . . . . . . . . . . . . . . . 88
58. Example of a dual SAN fabric configuration . . . . . . . . . . . . . . . . . . . . . 89
59. Example of two storage subsystems in a dual SAN environment . . . . . . . . . . . . . 89
60. Example of a two-cluster configuration . . . . . . . . . . . . . . . . . . . . . . . 90
61. Example of a single-host, multiple-port configuration . . . . . . . . . . . . . . . . . . 91
62. Example of a multiple-host, multiple-port configuration . . . . . . . . . . . . . . . . . 91
63. Example of iSCSI and Fibre Channel hosts, multiple-port configuration . . . . . . . . . . . 92
64. Example of an incorrect configuration: Single-host, iSCSI and Fibre Channel . . . . . . . . . 93
65. Example of a multiple-host, multiple-port, multiple-switch configuration . . . . . . . . . . . 94
66. Power supply and fan unit LEDs. . . . . . . . . . . . . . . . . . . . . . . . . 104
67. Front LEDs and controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . 105
68. Battery unit LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
69. LEDs, controls, and connectors of controllers with two standard Fibre Channel host expansion
channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
70. LEDs, controls, and connectors of controllers with two standard and two optional Fibre Channel
host expansion channels
. . . . . . . . . . . . . . . . . . . . . . . . . . . 107
71. LEDs, controls, and connectors of controllers with two standard Fibre Channel host expansion
channels and two optional iSCSI host expansion channels . . . . . . . . . . . . . . . 108
72. Numeric display LEDs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
73. Cache Active LEDs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
74. Battery unit LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
75. Unlocking the SFP module latch - plastic variety . . . . . . . . . . . . . . . . . . . 126
76. Unlocking the SFP module latch - wire variety
. . . . . . . . . . . . . . . . . . . 126
77. Removing a controller from the DS5020 . . . . . . . . . . . . . . . . . . . . . . 127
78. Installing a controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
79. Inserting a hard disk drive into a drive slot . . . . . . . . . . . . . . . . . . . . . 129
80. Inserting a hard disk drive into the connector . . . . . . . . . . . . . . . . . . . . 129
81. Hot-swap E-DDM LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
82. E-DDM CRU handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
83. Link rate LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
84. Link rate switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
85. Replacing a power supply and fan unit . . . . . . . . . . . . . . . . . . . . . . 146
86. Removing and replacing a battery unit from the controller chassis . . . . . . . . . . . . 148
87. Replacing an SFP module . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
88. Front cage frame screw locations . . . . . . . . . . . . . . . . . . . . . . . . 153
89. Screws holding the top and bottom sides of the chassis to the cage frame . . . . . . . . . 154
90. DS5020 storage subsystem parts list . . . . . . . . . . . . . . . . . . . . . . . 166
91. An IBM hologram label example . . . . . . . . . . . . . . . . . . . . . . . . . 170
92. Front rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 176
93. Rear rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 177
94. Top View of non-IBM Rack Specifications Dimensions. . . . . . . . . . . . . . . . . 182
95. Rack specifications dimensions, top front view
. . . . . . . . . . . . . . . . . . . 183
96. Rack specifications dimensions, bottom front view . . . . . . . . . . . . . . . . . . 183
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IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide
Содержание System Storage DS5020
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