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Figure 15 Example HP D2D4312 Storage—RAID page showing battery failure
HP D2D4004,/4009 and D2D2502/3/4 G1 and G2
The status of the battery is reported on the Summary and Status-RAID pages of the Web Management
Interface.
Figure 16 Summary page showing a failed RAID battery
Figure 17 RAID page showing a failed RAID battery (HP D2D2502/2504)
Replacing the battery/flash capacitor module
Battery/flash capacitor module location
HP D2D4324
There are four FBWC (flash backed write cache) modules, one for each Smart Array Controller.
Each FBWC has a capacitor pack to ensure cache contents are maintained after a loss of power.
Each P812 controller has an integral capacitor pack, whilst the P410i controller’s capacitor pack
is located in the holder in the centre of the HP D2D4324 Backup System. Each FBWC module has
two single-color LEDs (green and amber). The LEDs are duplicated on the reverse side of the cache
module to facilitate status viewing. See the HP Smart Array Controllers for HP ProLiant Servers User
Guide for more information.
24 Battery/Flash Backed Write Cache (BBWC or FBWC) module failures