How to Enable Write-Back Flash Cache in 11.2.3.2.0

Write-back Flash Cache= WBFC

By default the flash cache mode in 11.2.3.2.0 is write-through.

 The following mentioned steps would change the mode from write through to write-back.

All the changes would be executed using cellcli.

How to enable write-back flash cache (WBFC):

-      We will have to drop the existing Write-Through flash cache mode before doing any changes.

For example:

CellCLI> drop flashcache

-       Please Shut down the CellSrv by using the below command:

CellCLI> alter cell shutdown services cellsrv

-      Now we are ready to change the flash cache mode to Write-Back using the below command:

CellCLI> alter cell flashcacheMode = writeback

-       Please Start up CellSrv :

CellCLI> alter cell startup services cellsrv

-       The Flash cache needs a recreation for effect to take place. The below command would do the change:

CellCLI> create flashcache all