NOTE: If the LEDs on a storage controller do not turn on, the storage controller may not be
fully seated in the storage system chassis. If this issue occurs, press both power buttons to turn
off the storage system, reseat the storage controller, and press both power buttons again to
turn on the storage system.
5. Wait until the green diagnostic LEDs on the back of each storage controller match the pattern shown
in the following figure. This LED pattern indicates that a storage controller has started up
successfully.
NOTE: It could take up to 5 minutes for a storage controller to completely start up.
Figure 68. Storage Controller Diagnostic LEDs
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Back-End Cabling and Connecting Power