Determining if you need to replace DIMMs in a controller

You must verify the cache size of your controller before replacing the DIMMS.

1. Access the Storage-Array-Profile for the controller.
   1. Select Support Page > Support Resources > Storage Array Profile.
2. Select the Data Cache Module tab and locate the Data Cache Module field.
3. If one of the following is present, note the DIMM's location and continue with remaining procedures in this section to replace the DIMMs on your controller:
   • A failed DIMM, or a DIMM reporting Data Cache Module as not optimal.
   • A DIMM with a mismatched Data Cache Module capacity.