Displaying rechargeable battery information

Use this procedure to display information about the controller's rechargeable battery.

1. Navigate to the IBM® SAS Disk Array Manager by using the steps found in Using the Disk Array Manager.
2. Select Diagnostics and Recovery Options.
3. Select Controller Rechargeable Battery Maintenance.
4. Select Display Controller Rechargeable Battery Information.
5. Select the controller. The screen displayed will look similar to the following Command Status screen.

   +--------------------------------------------------------------------------------+
   
   |                                 COMMAND STATUS                                 |
   
   |                                                                                |
   
   |Command: OK            stdout: yes           stderr: no                         |
   
   |                                                                                |
   
   |Before command completion, additional instructions may appear below.            |
   
   |                                                                                |
   
   |RAID Adapter  . . . . . . . . . . . . . : sissas0                               |
   
   |Battery Type  . . . . . . . . . . . . . : Lithium Ion (LiIon)                   |
   
   |Battery State . . . . . . . . . . . . . : No battery warning/error              |
   
   |Power-on time (days)  . . . . . . . . . : 139                                   |
   
   |Adjusted power-on time (days) . . . . . : 152                                   |
   
   |Estimated time to warning (days)  . . . : 751                                   |
   
   |Estimated time to error (days)  . . . . : 834                                   |
   
   |Concurrently maintainable battery pack. : Yes                                   |
   
   |Battery pack can be safely replaced . . : No                                    |
   
   |                                                                                |
   
   |                                                                                |
   
   |                                                                                |
   
   |                                                                                |
   
   |                                                                                |
   
   |                                                                                |
   
   |                                                                                |
   
   |F1=Help             F2=Refresh          F3=Cancel           F6=Command          |
   
   |F8=Image            F9=Shell            F10=Exit            /=Find              |
   
   |n=Find Next                                                                     |
   
   +--------------------------------------------------------------------------------+
   

   The following are the fields displayed on the rechargeable battery information screen:

   RAID Adapter

   The name of the selected controller.

   Battery Type

   The type of rechargeable cache battery pack.

   Battery State

   Indicates if an error condition currently exists related to the rechargeable cache battery pack. The possible values for this field are:

   No battery warning/error

   No warning or error condition currently exists.

   Warning condition

   A warning condition currently exists and an error has been logged.

   Error condition

   An error condition currently exists and an error has been logged.

   Unknown

   Information is not available to determine whether a warning or error condition currently exists.

   Power-on time (days)

   Indicates the raw power-on time, in units of days, of the rechargeable cache battery pack.

   Adjusted power-on time (days)

   Indicates the adjusted (prorated) power-on time, in units of days, of the rechargeable cache battery pack.

   Note: Some rechargeable cache battery packs are negatively affected by higher temperatures and thus are prorated based on the amount of time that they spend at various ambient temperatures.

   Estimated time to warning (days)

   Estimated time, in units of days, until a message is issued indicating that the replacement of the rechargeable cache battery pack should be scheduled.

   Estimated time to error (days)

   Estimated time, in units of days, until an error is reported indicating that the rechargeable cache battery pack must be replaced.

   Concurrently maintainable battery pack

   Indicates if the rechargeable cache battery pack can be replaced while the controller continues to operate.

   Battery pack can be safely replaced

   Indicates if the controller's write cache has been disabled and the rechargeable cache battery pack can be safely replaced.