Table 21 Battery pack status LED
LEDs Meaning
Red If this LED is on immediately after installing a new battery pack, it
indicates that an initial battery char
ging and conditioning cycle is in
pr
ogress. The initial battery conditioning takes approximately 24
hours, and the LED will turn o after the cycle is complete.
If this LED is on during normal operation (not after installing a new
battery pack), either the battery has exceeded its two year life or a
problem has been detected. Check the battery status before
determining any service operation.
O Normal operation.
Figure 32 Battery pack status LED location
Battery-related e
vents are recorded in the server’s event log. Other battery-related
information is also saved in a battery status log. These logs, along with the server’s event
log, are useful in monitoring the state of the battery.
Turning the battery status LED o 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:
Identifying a cluster node that requires battery replacement
Chapter 5: Replacing server components
Hitachi NAS Platform and Hitachi Unied Storage Series 4000 Hardware Reference 68
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