NetApp E-Series WBC (Write Backup Cache) WBC fails to get enabled automatically after the controller is reinserted. Read cache: Enabled Write cache: Enabled (currently suspended) Write cache without b...NetApp E-Series WBC (Write Backup Cache) WBC fails to get enabled automatically after the controller is reinserted. Read cache: Enabled Write cache: Enabled (currently suspended) Write cache without batteries: Disabled Write cache with mirroring: Enabled (currently suspended) Flush write cache after (in seconds): 10.00 Dynamic cache read prefetch: Disabled Performance degradation (write latency increasing) occurs after re-enabling WBC compared to before removing the optimal controllers.