Battery Module; Battery Status Indicators - HP StorageWorks 6400/8400 - Enterprise Virtual Array User Manual

Battery module

Batteries provide backup power to maintain the contents of the controller cache when AC power is
lost and the storage system has not been shutdown properly. When fully charged the batteries can
sustain the cache contents for to 96 hours. Three batteries are used on the EVA8400 and two batteries
are used on the EVA6400.
status indicators. See
Figure 14 Battery module
.
1. Status indicator
3. Battery 0
The table below describes the battery status indicators. When a battery is first installed, the fault
indicator goes on (solid) for approximately 30 seconds while the system discovers the new battery.
Then, the battery status indicators display the battery status as described in the table below.
Table 9 Battery status indicators
Status indicator
On
Flashing
Off
Off
Flashing (fast)
Figure 14 illustrates the location of the cache batteries and the battery
Table 9 for additional information on the status indicators.
Fault indicator
Normal operation. A maintenance charge process keeps the battery
Off
fully charged.
Battery is undergoing a full charging process. This is the indication
Off
you typically see after installing a new battery.
On Battery fault. The battery has failed and should be replaced.
Flashing The battery has experienced an over temperature fault.
Battery code is being updated. When a new battery is installed, it
may be necessary for the controllers to update the code on the
Flashing (fast)
battery to the correct version. Both indicators flash rapidly for ap-
proximately 30 seconds.
HP StorageWorks 6400/8400 Enterprise Virtual Array user guide
2. Fault indicator
4. Battery 1
Description
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