Cannot use the DAR feature to back up or restore a key.

Make sure that:

• The Encryption License Key software license is valid and installed.

• You have the Security Administrator (View & Modify) role.

• If you backup and restore data encryption license keys with a key management server, the connection to the key management server is available.

• If you backup and restore data encryption license keys with a key management server, the number of keys which you can back up on the key management server is not exceeded.

• If you backup and restore data encryption license keys with a key management server, a time-out has not occurred due to the increase in the number of keys on the key management server.

• The latest key is restored (the key will not be updated after a secondary backup has been performed).

Cannot create or delete data encryption license keys.

Make sure that:

• The Encryption License Key software license is valid and installed.

• You have the Security Administrator (View & Modify) role.

• If you have backed up and restored data encryption license keys with a key management server, that the connection to the key management server is available.

Cannot enable encryption for a parity group.

Make sure that:

• The Encryption License Key software license is valid and installed.

• All LDEVs in the parity group are in the blocked status.

Cannot disable encryption for a parity group.

Make sure that all LDEVs in the parity group are in the blocked status.

Server configuration test failed.

Check the following key management server connection settings:

• Host name

• Port number

• Client certificate file

• Root certificate file

If the communication failure is due to the length of time to connect to the server, try changing these settings:

• Timeout

• Retry interval

• Number of retries

The Edit Encryption wizard operation failed, but the status of encryption (enable or disable) has changed.

The change of the status succeeds, but the format of the volume fails. Confirm the message, remove the error, and format volumes again.

The storage system failed to get encryption keys backed up on the key management server and all volumes are blocked when the storage system is turned on. The SIM code 661000 is returned.

Complete the following tasks:

• Make sure SVP is activated.

• Restore the connection to the key management server.

• Retry key encryption key acquisition.

• Contact the the Hitachi Data Systems Support Center to restore the disk board and blocked drives or blocked volumes.