6.4 Replacing a hot-plug power supply unit . . . . . . . . . . . 109
6.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 109
6.4.2 Removing the defective hot-plug power supply unit . . . . . . 109
6.4.3 Installing the new hot-plug power supply unit . . . . . . . . . . 109
6.4.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 110
7 Hard disk drives / solid state drives . . . . . . . . . . . . . 111
7.1 Basic procedures . . . . . . . . . . . . . . . . . . . . . . . 112
7.2 3.5-inch cage configurations HDD / SSD . . . . . . . . . . . 112
7.2.1 Mounting order for 3.5-inch HDDs . . . . . . . . . . . . . . . 112
7.2.1.1 HDD mounting order for 4x 3.5-inch HDD configuration . . 113
7.2.1.2 HDD mounting order for 8x 3.5-inch HDD configurations . . 113
7.2.1.3 HDD mounting order for 12x 3.5-inch HDD configurations . 114
7.2.2 Installing 3.5-inch HDD modules . . . . . . . . . . . . . . . . 115
7.2.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 115
7.2.2.2 Removing a 3.5-inch dummy module . . . . . . . . . . . . 116
7.2.2.3 Installing a 3.5-inch HDD module . . . . . . . . . . . . . . 117
7.2.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 118
7.2.3 Removing 3.5-inch HDD modules . . . . . . . . . . . . . . . 118
7.2.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 118
7.2.3.2 Removing a 3.5-inch HDD module . . . . . . . . . . . . . 119
7.2.3.3 Installing a 3.5-inch dummy module . . . . . . . . . . . . . 120
7.2.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 120
7.2.4 Replacing a 3.5-inch HDD module . . . . . . . . . . . . . . . 121
7.2.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 121
7.2.4.2 Removing a 3.5-inch HDD module . . . . . . . . . . . . . 121
7.2.4.3 Installing a 3.5-inch HDD module . . . . . . . . . . . . . . 122
7.2.4.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 122
7.2.5 2.5-inch HDDS / SSD in a 3.5-inch installation frame . . . . . 122
7.2.5.1 Installing a 2.5-inch HDD / SSD into a 3.5-inch installation frame
122
7.2.5.2 Removing a 2.5-inch HDD / SSD out of a 3.5-inch installation
frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
7.3 Replacing SAS / SATA HDD / SSD backplanes . . . . . . . 125
7.3.1 Replacing the 4x 3.5-inch HDD SAS backplanes . . . . . . . . 125
7.3.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 125
7.3.1.2 Removing the 4x 3.5-inch SAS HDD backplane 1 . . . . . 126
7.3.1.3 Installing the 4x 3.5-inch HDD SAS backplane 1 . . . . . . 128
7.3.1.4 Removing the 4x 3.5-inch SAS HDD backplane 2 . . . . . 130