Maintaining a cluster's disk subsystem
Tackling cluster failures
The cluster may become inoperable for a number of reasons:
It may go beyond the failure model, stopping data reads and writes to the storage group completely.
Unbalanced workload on disks may strongly affect the request processing latency. Load balancing methods are described in this article.
Unauthorized withdrawal of nodes can result in issues described above. To prevent the issues, make sure to drain the nodes correctly for maintenance.
Editing the cluster configuration
A YDB cluster lets you: