LED
Status
Description
Status
Green
The system is operating normally.
Flashing green
The system is booting.
Off
The system is powered off.
Fan
Green
The fan is functioning normally.
Orange
A fan malfunction occurred.
Off
The fans are not detected.
Battery backup unit
status
Green
The battery backup unit status is functioning normally.
Orange
A write buffer for Copy-to-Flash occurred.
For details, see
Off
One or more of the following conditions occurred:
• The storage controller is powered off.
• The system cannot detect the battery backup unit.
High availability
Green
High availability is currently active.
Flashing orange
One of the following situations occurred:
• Performing takeover: The dual active-active
controller system enables a controller to take over
the pool disk resources and access the data upon
the failure of the other controller. Takeovers can be
initiated manually or set up with the automatic
system failover protection. For more details, see the
QES User Guide.
• Undergoing giveback: One of the storage
controllers has taken over the system. The other
storage controller has resumed operations and is
ready to resume data service. Giveback can be
initiated manually or set up with automatic failback
after system recovers. For more details, see the
QES User Guide.
Orange
The storage controller has taken over the other storage
controller.
Off
One or more of the following conditions has occurred:
• The storage controller has failed.
• The storage controller is powered off.
10 Gigabit Ethernet
port speed
Green
The network connection is operating at 10GbE.
Orange
The network connection is operating at 1GbE
Off
The network connection is operating at 100 Mbps.
10 Gigabit Ethernet
port activity
Green
The network link is active.
Flashing green
The network link is active.
Off
There is no network link.
1 Gigabit Ethernet
port activity
Green
The network link has been established.
Flashing green
The network link is active.
Off
There is no network link.
ES2486dc User Guide
Product Overview
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