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54. One DS4700 Express and three storage expansion enclosure — Recommended cabling ....74
55. One DS4700 Express and four storage expansion enclosure — Recommended cabling.....74
56. One DS4700 Express and up to six storage expansion enclosure — Recommended cabling 75
57. One DS4700 Express and up to six storage expansion enclosure — Not recommended ....76
58. One DS4700 Express and two or more storage expansion enclosures in a mixed environment —
Recommended cabling ............................77
59. DS4700 Express drive ports connected to EXP810 ESM ports labeled 1B..........79
60. DS4700 Express drive ports connected to 14-drive storage expansion enclosure ESM In and Out
ports ...................................80
61. One DS4700 Express and one EXP100 storage expansion enclosure — Recommended cabling 81
62. One DS4700 Express and two EXP100 storage expansion enclosures behind a pair of DS4700
drive ports .................................81
63. One DS4700 Express and three EXP100 storage expansion enclosures behind a pair of DS4700
drive ports .................................82
64. One DS4700 Express and four EXP100 storage expansion enclosures behind a pair of DS4700
drive ports .................................83
65. One DS4700 Express and a maximum of six EXP100 storage expansion enclosures behind a pair
of DS4700 drive ports .............................84
66. One DS4700 Express and one EXP710 storage expansion enclosure — Recommended cabling 85
67. One DS4700 Express and two EXP710 storage expansion enclosures behind a pair of DS4700
drive ports .................................85
68. One DS4700 Express and three EXP710 storage expansion enclosures behind a pair of DS4700
drive ports .................................86
69. One DS4700 Express and four EXP710 storage expansion enclosures behind a pair of DS4700
drive ports .................................87
70. One DS4700 Express and a maximum of six EXP710 storage expansion enclosures behind a pair
of DS4700 drive ports .............................88
71. One DS4700 Express and one EXP810 storage expansion enclosure — Recommended cabling 89
72. One DS4700 Express and two EXP810 storage expansion enclosures behind a pair of DS4700
drive ports .................................90
73. One DS4700 Express and three EXP810 storage expansion enclosures behind a pair of DS4700
drive ports .................................91
74. One DS4700 Express and four EXP810 storage expansion enclosures behind a pair of DS4700
drive ports .................................92
75. One DS4700 Express and a maximum of six EXP810 storage expansion enclosures behind a pair
of DS4700 drive ports .............................93
76. Acceptable EXP710, EXP810 and EXP100 intermix configuration in a DS4700 Express Storage
Subsystem environment ............................95
77. Unacceptable EXP710, EXP810 and EXP100 intermix configuration in a DS4700 Express Storage
Subsystem environment ............................96
78. Cabling variations when intermixing EXP100, EXP710, and EXP810 storage expansion
enclosures behind a DS4700 Express Storage Subsystem ...............97
79. Ethernet and serial port locations on DS4700 Express model 70 .............100
80. Ethernet and serial port locations on DS4700 Express model 72 .............101
81. Host-agent (in-band) managed storage subsystems .................102
82. Direct (out-of-band) managed storage subsystems ..................104
83. Location of host cables on RAID controllers on model 70 of the DS4700 Express ......105
84. Location of host cables on RAID controllers on model 72 of the DS4700 Express ......105
85. Cabling diagram for two redundant host connections .................106
86. Cabling diagram for four redundant host connections .................107
87. Examples of redundant host direct attached fibre channel configurations ..........108
88. Example of a single SAN fabric configuration ....................109
89. Example of a dual SAN fabric configuration ....................109
90. Example of two storage subsystems in a dual SAN environment .............110
91. Example of a two-cluster configuration ......................110
92. DC power supply and fan unit cabling scheme - single-level redundancy ..........113
x IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide