Only Administrator, Security Administrator, and Storage Administrator are authorized to configure the witness.
You can configure witness before or after configuring metro.
Only one witness can be configured per cluster.
The configured metro is used for all metro sessions and cannot be disabled for specific sessions.
The witness status changes to Engaged only after it is configured for both local and remote
PowerStore systems.
To access the witness server installation tools (secure token generator and thumbprint), use the path:
sles15:~ # ls /opt/dell-witness-service/scripts
NOTE:Perform the following steps for both local and remote
PowerStore systems.
Steps
In the
PowerStore Manager, select
Protection > Witness.
In the
Metro Witness window, select
Add.
In the
Add Witness window, configure the following fields:
Name
IP Address/FQDN
Security Token - To generate a security token, run the generate_token.sh script. For details see
PowerStore Security Configuration Guide on the
PowerStore Documentation page.
NOTE:The token expires in ten minutes.
Description (optional)
Select
Add.
In the
User Authorization window, review the witness certificate thumbprint, and select
Confirm to accept.
The certificate is saved on the
PowerStore system.
Results
The witness is created and all existing metro volumes and volume groups are automatically assigned to it. Newly created metro volumes and volume groups are automatically assigned to the witness. The
Metro Resources column in the
Metro Witness window shows the number of resources that are assigned to the witness. Clicking the number opens the
Metro Resources window.
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