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The cache battery pack for the 572F storage I/O adapter and the 575C auxiliary cache adapter is
contained in a single battery field replacement unit (FRU) that is physically located on the 575C auxiliary
cache adapter. The functions of forcing a battery pack error and starting the adapter cache on either
adapter in the card set results in the same function automatically being performed on the other adapter
in the card set.
Forcing a rechargeable battery error
Use this procedure to place the controller's rechargeable battery into an error state using the Hardware
Service Manager in the IBM i operating system.
This topic applies to the IBM i operating system. For information about maintaining the rechargeable
®
battery using the AIX
controller for Linux.
To force the cache battery pack into an error state, do the following steps on the system or partition that
is using the adapter.
1. Sign on to the system with at least service level authority.
2. On the command line, type strsst. Press Enter.
3. On the System Service Tools (SST) Sign On display, type your service tools user ID and service tools
password. Press Enter.
4. On the System Service Tools (SST) display, select Start a Service Tool. Press Enter.
a. On the Start a Service Tool display, select Hardware Service Manager. Press Enter.
b. On the hardware Service Manager display, select Work with resources containing cache battery
packs. Press Enter.
c. On the Work with Resources containing Cache Battery Packs display, select Force battery pack
into error state for the I/O card. Press Enter.
d. On the Force Battery Packs Into Error State display, verify that the correct I/O adapter has been
selected, and press the function key that confirms your choice.
e. Return to the Work with Resources containing Cache Battery Packs display and select Display
battery information and verify that the Battery pack can be safely replaced field indicates yes. If
it does not indicate yes, contact your next level of support before continuing this procedure.
5. Verify that the cache data present light emitting diode (LED) is no longer flashing before replacing the
cache battery pack. See the feature descriptions and the figures in the "Replacing a battery pack"
section to determine if your adapter has a cache data present LED and the location of the LED.
6. Replace the cache battery pack using the procedure that sent you here. For a list of replacement
procedures, see "Replacing a battery pack."
7. Restart the adapter's write cache by doing the following:
a. Return to the Work with Resources containing Cache Battery Packs display and select the Start
IOA cache. Press Enter.
b. Ensure that you get the message Cache was started.
Replacing a battery pack
Follow these guidelines before replacing your battery pack.
Note: When replacing the cache battery pack, the battery must be disconnected for at least 60 seconds
before connecting the new battery. This duration is the minimum amount of time needed for the card to
recognize that the battery has been replaced.
Note: The battery is a lithium ion battery. To avoid possible explosion, do not burn. Exchange only with
the IBM-approved part. Recycle or discard the battery as instructed by local regulations. In the United
34
SAS RAID controllers for IBM i
®
or Linux
operating systems, see SAS RAID controller for AIX or SAS RAID
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