Owners Manual

SC7020 Series Storage Controller Features and Indicators
The SC7020 series storage system includes two storage controllers in two interface slots.
SC7020 Series Storage Controller
The following figure shows the features and indicators on the storage controller.
Figure 5. SC7020 Series Storage Controller
Item Control/Feature Icon Description
1 Identification LED Blinking blue continuously – A command was sent to the storage system to make
the LED blink so that you can identify the storage system in the rack.
The identification LED blinks on the control panel of the chassis, which allows
users to find the
storage system when looking at the front of the rack.
The identification LEDs on the storage controllers also blink, which allows users
to find the
storage system when looking at the back of the rack.
2 Cache to Flash (C2F)
• Off – Running normally
• Blinking green – Running on battery (shutting down)
3 Health status
• Off – Unpowered
• Amber – Powering up
• Blinking amber
• Slow blinking amber (2s on, 1s off) – Controller hardware fault was
detected. Use
Storage Manager to view specific details about the
hardware fault.
• Fast blinking amber (4x per second) – Power good and the pre-operating
system is booting
• Blinking green
• Slow blinking green (2s on, 1s off) – Operating system is booting
• Blinking green (1s on, 1s off) – System is in safe mode
• Fast blinking green (4x per second) – Firmware is updating
• Solid green – Running normal operation
4 I/O card slots —
Ports for an I/O card installed in riser 1 (slot 1) are numbered 1 to 4 from left to
right.
Ports for I/O cards installed in riser 2 (slots 2 and 3) are numbered 1 to 4 from
right to left.
5 Serial port (micro USB) Used under the supervision of Technical Support to troubleshoot and support
systems.
6 MGMT port — Ethernet port used for storage system management and access to Storage
Manager .
8 SC7020 Series Storage System Hardware