Overview of Ozone Manager in High Availability
Configuring High Availability (HA) for the Ozone Manager (OM) enables you to run redundant Ozone Managers on your Ozone cluster and prevents the occurrence of a single point of failure in the cluster from the perspective of namespace management. In addition, Ozone Manager HA ensures continued interactions with the client applications for read and write operations.
- Unplanned events such as a crash involving the node that contains the leader OM.
- Planned events such as a hardware or software upgrade on the node that contains the leader OM.