117
Replacing the CBM for RAID Models
Upgradeable / replaceable components are listed below:
•
Battery Backup Unit (BBU)
: In the event of a power failure, the BBU can
help store/ save cached data in the DRAM module for up to 72 hours or
longer with super capacity BBU..
•
Battery Backup Unit (BBU) + Flash Backup Module (FBM)
: In the event
of a power failure, the combination of BBU+FBM (non-volatile flash storage)
can store the data, indefinitely.
WARNING
Make sure you have the replacement module(s) on-hand before you attempt to
replace the CBM.
Make sure the flash backup module has been installed before installing the BBU.
Please refer to procedures mentioned in
The CBM consists of a battery backup unit (BBU) and flash backup module (FBM).
The CBM can sustain and transfer cached data to a flash backup module in the event
of a power outage or in the unlikely event of both PSUs failing.
The CBM (BBU and FBM) are optional items for single controller system by default.