By default the API server has 1 replica. If the pod fails, the single instance restarts by normal Kubernetes behavior, but there is downtime. If the user is upgrading, some downtime is expected.
Users have the option to configure the number of replicas using the
app_replicas text box in the
By default, the database has 1 replica, and restarts with some downtime if it fails. Although the text box
db_replicas exists and is configurable by the user in the
scst-store-values.yaml file, VMware discourages users from configuring
db_replicas because it is experimental.
The default internal database is not for use in production. For production deployments, VMware reccomends using an external database.
For the default PostgreSQL database deployment, with
deploy_internal_db set to true,
Velero can be used as the backup method. For information about using
Velero as back up, see Backups.