Avago Technologies MegaRAID Fast Path Software - Manual (Page 241)

LSI Corporation Confidential | July 2011 Page 241
MegaRAID SAS Software User Guide Chapter 5: MegaRAID Command Tool | Battery Backup Unit-Related Properties
5.11.5 Display Current BBU Properties Use the command in the following table to display the current BBU properties for the
selected controllers.
5.11.6 Start BBU Learning Cycle Use the command in the following table to start the BBU learning cycle on the selected
controllers. A learning cycle is a battery calibration operation performed by the
controller periodically (approximately every three months) to determine the condition
of the battery.
5.11.7 Place Battery in Low-Power
Storage Mode
Use the command in the following table to place the battery into Low-Power Storage
mode on the selected controllers. This mode saves battery power consumption.
Table 67: Display Current BBU Properties
Convention MegaCli -AdpBbuCmd -GetBbuProperties
–aN|-a0,1,2|-aALL
Description Displays current properties of the BBU. The information displays in the
following formats:
BBU Properties for Adapter: x
Auto Learn Period: xxx Sec
Next Learn Time: xxxx Sec
Learn Delay Interval=: Value in hours, not greater than 168 hours (7
days)
Auto-Learn Mode=: Value can be 0, 1, or 2.
NOTE: If the battery type is IBBU08, then the BBU mode is displayed as a part
of GetBbuProperties.
NOTE: When the value in the Auto Learn Mode is set from 1 (Disabled) to 0
(Enabled) , the controller firmware resets the battery module properties to
initiate an immediate battery learn cycle. The Learn Delay Interval field
and the Next Learn Time field will not be updated until the battery
relearn is completed. Once the relearning cycle is completed, the value in the
Next Learn Time field and in the Learn Delay Interval field will
display the new time (in seconds) of the next battery learning cycle
Table 68: Start BBU Learning Cycle
Convention MegaCli -AdpBbuCmd -BbuLearn -aN|-a0,1,2|-aALL
Description Starts the learning cycle on the BBU. No parameter is needed for this option.
Table 69: Place Battery in Low-Power Storage Mode
Convention MegaCli -AdpBbuCmd -BbuMfgSleep -aN|-a0,1,2|-aALL
Description Places the battery in Low-Power Storage mode. The battery automatically
exits this state after 5 seconds.