LSI Corporation
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12Gb/s MegaRAID SAS Software User Guide
March 2014
Chapter 6: StorCLI
Working with the Storage Command Line Tool
6.6.9 BBU Commands
The Storage Command Line Tool supports the following battery backup unit (BBU) commands:
NOTE To increase the life of a battery, the battery is not fully charged. Band
Gap charging keeps the maximum battery charge within a band
comfortably above the data retention time requirement instead of
keeping the battery charged to the maximum level. However, when a
learn cycle is required, the battery is fully charged because a learn
cycle starts only once the battery is fully charged.
storcli /cx/bbu show
storcli /cx/bbu show all
storcli /cx/bbu set autolearnmode=<value>
storcli /cx/bbu set bbuMode=<value>
storcli /cx/bbu set learndelayinterval=<value>
storcli /cx/bbu set powermode=sleep
storcli /cx/bbu set writeaceess=sealed
storcli /cx/bbu set learnStartTime=[DDD HH|off]
storcli /cx/bbu show modes
storcli /cx/bbu show properties
storcli /cx/bbu show status
storcli /cx/bbu start learn
storcli /cx/bbu start retentiontest
The detailed description for each command follows.
storcli /c
x/bbu show
This command shows the summary information for the BBU of a controller.
Input example:
storcli /c0/bbu show
storcli /c
x/bbu show all
This command shows all the information of the BBU.
Input example:
storcli /c0/bbu show all
storcli /c
x/bbu set autolearnmode=<value>
This command starts the automatic learn cycle on the battery. The possible values are 0 - Enabled, 1- Disabled, and
2 - WarnViaEvent.
Input example:
storcli /c0/bbu set autolearnmode=0
storcli /c
x/bbu set bbuMode=<value>
This command sets the BBU mode for the BBU. The following table shows the various BBU modes:
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