Avago Technologies MegaRAID SAS 9240-4i - Manual (Page 45)

LSI Corporation
- 45 -
StorCLI Reference Manual
January 2013
Chapter 4: Working with the Storage Command Line Tool
BBU Commands
4.9 BBU Commands
The Storage Command Line Tool supports the following battery backup unit (BBU) commands:
storcli /cx/bbu show
storcli /cx/bbu show all
storcli /cx/bbu set bbuMode=
storcli /cx/bbu set learndelayinterval=
storcli /cx/bbu set powermode=sleep
storcli /cx/bbu set writeaceess=sealed
storcli /cx/bbu show modes
storcli /cx/bbu show properties
storcli /cx/bbu show status
storcli /cx/bbu start learn
The detailed description for each command follows.
storcli /cx/bbu show
This command shows the summary information for the BBU of a controller.
Input example:
storcli /c0/bbu show
storcli /cx/bbu show all
This command shows all the information of the BBU.
Input example:
storcli /c0/bbu show all
storcli /cx/bbu set bbuMode=
This command sets the BBU mode for the BBU. The following table shows the various BBU modes:
Input example:
storcli /c0/bbu set bbuMode=2
Table 19 BBU Mode
Mode Description
0 48 hours of retention a at 60 °C, 1-year Service Life.
a. Indicates how long the battery can hold data in the controller's memory in case of accidental system shutdown.
1 12 hours of retention at 45 °C, 5-year Service Life, transparent learn. b
b. The controller's performance is not affected during the battery's learn cycle.
2 12 hours of retention at 55 °C, 3-year Service Life, transparent learn.
3 24 hours of retention at 45 °C, 3-year Service Life, transparent learn.
4 48 hours of retention at 45 °C, 3-year Service Life.
5 48 hours of retention at 55 °C, 1-year Service Life.
6 Same as the description for BBU mode 5. The BBU mode 6 enables you to receive events when the battery
capacity reaches suboptimal and critical thresholds.
NOTE BBU modes are supported on any iBBU08/09 bbu/controller combo and later-generation controllers.