HP 4000.6000.8000 Enterprise Virtual Arrays - Manual (Page 78)

Figure 28 Blower
1. Status indicator 2. Fault indicator
3. Blower 0 4. Blower 1
Table 27 Blower status indicators
Status indicator Fault indicator Description
On Off Normal operation
Off On Blower failure
Cache battery
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. Two batteries are used on the EVA8000 and a single battery is used
on the EVA6000 and EVA4000. cache batteries illustrates the location of the cache batteries and the
battery status indicators. Refer to Table 28 for additional information on the status indicators.
3
4
1
2
Figure 29 Cache batteries
1. Status indicator 2. Fault indicator
3. Battery 0 4. Battery 1
78 Enterprise Virtual Array hardware components