Dell SC7020 - Page 9

Item Control/Feature Icon Description
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
3 Health status
• Off – Unpowered
• Amber – Powering up
• Blinking amber
– Slow blinking amber (2s on, 1s off) – Controller hardware
fault was detected. Use the Dell Storage Manager UI for
specific details about what is actually wrong.
– 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 are numbered 1 to 4 from
left to right.
Ports for I/O cards installed in riser 2 are numbered 1 to 4 from
right to left.
5 Serial port (micro USB) Used to initially configure a storage controller. It is also used
under the supervision of Dell Technical Support to troubleshoot
and support systems.
6 MGMT port — Ethernet port used for storage system management and access
to Dell Storage Manager.
Two LEDs with the port indicate link status (left LED) and activity
status (right LED):
• Link and activity indicators are off – Not connected to the
network
• Link indicator is green – The NIC is connected to a valid
network at its maximum port speed.
• Link indicator is amber – The NIC is connected to a valid
network at less than its maximum port speed.
• Activity indicator is blinking green – Network data is being
sent or received.
7 USB port One USB 2.0 connector that is used for SupportAssist diagnostic
files when the storage system is not connected to the Internet.
8 Mini-SAS port B (ports
1 and 2)
Back-end expansion ports 1 and 2
SC7020 Storage System Hardware
9