Dell SC4020 - General Safety Precautions; Pre-Replacement Procedures; Send Diagnostic Data Using Dell SupportAssist; Contacting Dell Technical Support

SC4020 Storage System Storage Controller Features and Indicators
The SC4020 storage system includes two storage controllers in two interface slots.
SC4020 Storage System Storage Controller with Fibre Channel Front-End Ports
The following figures show the features and indicators on a storage controller with Fibre Channel front-
end ports.
Figure 9. SC4020 Storage System Storage Controller with Four 8 Gb Fibre Channel Front-End Ports
Figure 10. SC4020 Storage System Storage Controller with Two 16 Gb Fibre Channel 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 iSCSI port (Slot 3/Port 2) — Ethernet/iSCSI port that is typically used for replication to
another Storage Center (requires a replication license)
About the SC4020 Storage System
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