Controller State: The array controller is connected to an expander card or an external enclosure

Symptom

Controller State: The array controller is connected to an expander card or an external enclosure and is operating without a memory board. If there are physical drives attached to the expander card or external enclosure, and those drives contain any logical drives, then making any configuration change will lead to potential data loss on those logical drives.

Cause

A cache memory module is not installed.

Action
Install a cache memory module.

For more information, see the server user guide on the Hewlett Packard Enterprise website.