Item
Control/Feature
Icon
Description
•
All off – No power
•
All on – Booting up
•
Blinking amber – 4 Gbps activity
•
Blinking green – 8 Gbps activity
•
Blinking yellow – 16 Gbps activity
•
Blinking amber and yellow – Beacon
•
All blinking (simultaneous) – Firmware initialized
•
All blinking (alternating) – Firmware fault
15
Mini-SAS port B (Slot 2/Port 2)
Back-end expansion port B
16
Mini-SAS port A (Slot 2/Port 1)
Back-end expansion port A
SC4020 Storage System Storage Controller with iSCSI Front-End
Ports
The following figure shows the features and indicators on a storage controller with iSCSI front-end ports.
Figure 8. SC4020 Storage System Storage Controller with Two 10 GbE iSCSI Front-End Ports
Item
Control/Feature
Icon
Description
1
Battery status indicator
•
Blinking green (on 0.5 sec. / off 1.5 sec.) – Battery heartbeat
•
Fast blinking green (on 0.5 sec. / off 0.5 sec.) – Battery is charging
•
Steady green – Battery is ready
2
Battery fault indicator
•
Off – No faults
•
Blinking amber – Correctable fault detected
•
Steady amber – Uncorrectable fault detected; replace battery
3
MGMT port (Slot 3/Port 1)
—
Ethernet/iSCSI port that is typically used for storage system management and
access to the BMC
NOTE:
The MGMT port can be used as an iSCSI port for replication to
another Storage Center or as a front-end iSCSI port for connections to
host servers.
4
REPL port (Slot 3/Port 2)
—
Ethernet/iSCSI port that is typically used for replication to another Storage Center
NOTE:
The REPL port can be used as a front-end iSCSI port for
connections to host servers.
5
SAS activity indicators
—
There are four SAS PHYs per SAS port.
•
Off – SAS PHY is not connected
•
Steady green – SAS PHY is connected, but not active
•
Blinking green – SAS PHY is not connected nor active
6
Storage controller status
On – Storage controller completed a power-on self-test (POST)
7
Recessed power off button
Not currently used
14
About the SC4020 Storage System
