Replacing A Faulty Bbu; Notes On Bbu Maintenance - Infortrend EonStor S12S-G1033 Installation And Hardware Reference Manual

EonStor S12S-G1033/P Installation and Hardware Reference Manual
Step 5.
5.4

Replacing a Faulty BBU

5.4.1

Notes on BBU Maintenance

The BBU can sustain cache memory in the event of a power failure or
in the extremely unlikely event of failing both PSUs. The BBU
provides additional data security and helps minimize the chance of
losing data during power outages.
Each BBU contains battery cells mounted on a metal bracket, and
connects to an adaptor board within the RAID controller. The BBU is
secured to a module bay in the RAID controller canister. If a BBU fails,
it should be replaced as soon as possible.
Fault Conditions:
A BBU failure can result from the following:
˙
A BBU has lost its ability to hold electrical charge. This may be
the case after the battery cells have been recharged for many
times regardless of how long the module has been used.
Therefore, a stable power source is important for system
operation.
5-6
the DIMM module into the socket, making sure the
module is completely seated in the socket. The ejector
tabs on each end of the socket will snap into proper
positions. (See the figure below)
Figure 5-5: Inserting a DIMM Module
Install the BBU module (See Section 5.4.2, Step 2-3)
and then the controller module (See Section 5.2.2,
Step 5-7) back to its original locations.