a. Upgrade the firmware on this controller.
b. Make sure that the cache module is installed. Install the cache module if not present.
c. If the issue persists, power down the and move the drives back to the original controller.
Solution 2
Action
1. If this message is observed without any drive movement, do the following:
a. Be sure that the cache module is working.
b. Replace the cache module, if required.
c. If the issue persists, contact Hewlett Packard Enterprise support.
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 user guide on the Hewlett Packard Enterprise website.
Controller State: The array controller is operating without a memory board and contains
more logical drives than are supported in the current configuration
Symptom
Controller State: The array controller is operating without a memory board and contains more logical drives
than are supported in the current configuration. Any configuration command (e.g. logical drive creation, array
expansion, etc.) or modification to the controller will result in the loss of all existing data on the disabled
volume(s).
Cause
A cache memory module is not installed.
Action
Install a cache memory module.
16 Controller State: The array controller is connected to an expander card
or an external enclosure
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