Elasticsearch unassigned replica shards on single node instances
Posted About 6 years ago by Claus-Theodor Riegg.
If you have a single node elasticsearch instance and indices with replicas enabled your cluster state will be yellow. If...
Repair broken etcd node
Posted Over 6 years ago by Claus-Theodor Riegg.
If one etcd node is no longer a member of the remaining etcd cluster or fails to connect you need...
Redis Sentinel manual failover
Posted Almost 8 years ago by Claus-Theodor Riegg.
redis.io
Hint You're not able to control which redis replica will chosen for the failover. Connect to your sentinel instance...
manual haproxy backend failover
Posted About 8 years ago by Claus-Theodor Riegg.
If you want to perform a failover on another haproxy backend server this is the way you should do it...