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Turning the battery status LED off can require one or more of the following steps. Try the
steps in the following order:
Procedure
1. Perform a battery pack test cycle. To begin the test cycle, do the following:
a. Access the server CLI.
b. Issue the following Linux command: touch /var/opt/chassis-
monitor/.testbatterynow
2. Remove and reinstall the battery pack.
3. If the battery is still having problems, replace the battery pack. (A new battery pack
is required.)
Identifying a cluster node that requires battery replacement
If you have warnings or battery-related events in the Event Log of a cluster, you can
identify the cluster node requiring battery replacement using the following procedure:
Procedure
1. Access the server command line interface.
For information about how to access the server command line interface, refer to the
Hitachi NAS Platform System Access Guide.
2. Log in to the server as manager with the default password of nasadmin.
These credentials provide access to the Bali console.
3. Enter the command led-identify-node x, where x is the node mentioned in
the Event Log message.
Both the server status and fault LEDs on the node will flash, allowing you to identify
the node. Refer to the Hitachi NAS Platform Command Line Reference for more
information on the led-identify-node command.
Replacing the NVRAM battery module
You can easily replace the NVRAM battery pack in a server. The battery module is hot-
swappable; however, if possible, shutdown the server before replacing the module.
Before you begin
Identify the server model before installing the battery.
Important: During the replacement procedure, the NVRAM contents are not
backed up by the battery pack. If a power failure occurs during this period,
NVRAM contents may be lost. See the appropriate hardware reference or
maintenance documentation for procedures to power down a server.
Hitachi NAS Platform 3080 and 3090 G2 Hardware Reference
Identifying a cluster node that requires battery replacement
Chapter 6: Replacing server components
55
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