Infortrend EonStor DS S12S-J2000-G, Руководство по оборудованию

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EonStor / EonStor DS S12/S16/S24 Series
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Replacing the CBM for RAID Models
NOTE
For type II controller models, flash backup module (FBM) is not user serviceable!
For single controller models, upgradeable 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.

Battery Backup Unit (BBU) + Flash Backup Module (FBM)
: In the event
of a power failure, the combination of BBU+FBM on-volatile flash storage)
can store the data, indefinitely.
(n
WARNING
Make sure you have the replacement module(s) on-hand before you attempt to
replace the CBM.
Please refer to procedures mentioned in Installing the BBU section.
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) might be optional items depending on the system model
(refer to Cache Backup Module (CBM) of RAID Controllers ).