Overview

This section contains information about YDB cluster maintenance operations.

Main topics:

• State Storage Move
• Static Group Move
• Adding storage groups
• Moving VDisks
• Disk load balancing
• Working with SelfHeal
• Enabling/disabling Scrubbing
• Freeing up space on physical devices
• Decommissioning a Part of Cluster
• Staying within the failure model
• Safe restart and shutdown of nodes
• Dynamic Cluster Configuration
• Expanding a cluster
• Updating configurations via CMS
• Changing an actor system's configuration
• Configuration overview
• Cluster configuration DSL
• Volatile configurations
• Replacing a node's FQDN
• Blob Depot
• Group Decommissioning