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Chapter 2 NAS Head 2-85
If AC power has been restored for 30 minutes, and the UPS is not charged
completely, check the UPS battery.
Log message: Low Battery.
After StorEdge receives the Low Battery notification from the UPS, this message is
logged and the shutdown process is initiated in order to protect customer data.
Log message: Controller write-back cache is enabled.
System AC power and UPS have returned to a reliable state. Write-back cache is
enabled.
Log Message: Blower Fan has failed.
This is an indication that one of the StorEdge cooling fans has failed.
Verify that one or more of the following indicators are present:
The unit system status on the front of the StorEdge is a solid red.
The system status light on the back of the StorEdge is a solid red.
The log should have a message “Blower fan # has failed”.
Front panel may have message in display “P11 Fan # has failed”.
The # is number of the fan 1, 2, 3, 4 all four fans are on the fan enclosure assembly
located inside the StorEdge unit.
The failed fan # should be lit on the fan assembly.
Contact Technical Support to replace the failed fan.
UPS Messages
If a UPS is connected to the Sun StorEdge 5310 NAS when booted, you will see the
following message in the log:
07/08/04 10:48:34 I sysmon[51]: UPS: Smart mode set.
If the power to the Sun StorEdge 5310 NAS fails and you have a UPS connected, you
will see the following message in the log:
07/08/04 11:00:30 E sysmon[51]: UPS: AC power failure. System
is running on UPS battery.