Robuta

https://www.mongodb.com/zh-cn/docs/upcoming/administration/health-managers/
Configure Health Managers to monitor and manage sharded cluster health issues, including automatic mongos removal and progress monitoring.
self managedconfigureclusterhealthmanagers
https://www.mongodb.com/pt-br/docs/v6.0/administration/health-managers/
configurarintegridadeclustercomhealth
https://www.ibm.com/docs/en/db2/12.1.x?topic=hadr-cluster-managers
You can implement Db2 high availability disaster recovery (HADR) databases in non-pureScale environment on nodes of a cluster, and use a supported cluster...
cluster managershigh availabilitydisaster recoveryhadr