MySQL 5.1 Reference Manual :: 17 MySQL Cluster NDB 6.X/7.X :: 17.5 Management of MySQL Cluster :: 17.5.11 Adding MySQL Cluster Data Nodes Online
Section Navigation [Toggle]
- 17.5 Management of MySQL Cluster
- 17.5.1 Summary of MySQL Cluster Start Phases
- 17.5.2 Commands in the MySQL Cluster Management Client
- 17.5.3 Online Backup of MySQL Cluster
- 17.5.4 Event Reports Generated in MySQL Cluster
- 17.5.5 MySQL Cluster Log Messages
- 17.5.6 MySQL Cluster Single User Mode
- 17.5.7 Quick Reference: MySQL Cluster SQL Statements
- 17.5.8 The ndbinfo MySQL Cluster Information Database
- 17.5.9 MySQL Cluster Security Issues
- 17.5.10 MySQL Cluster Disk Data Tables
- 17.5.11 Adding MySQL Cluster Data Nodes Online
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This section describes how to add MySQL Cluster data nodes “online” — that is, without needing to shut down the cluster completely and restart it as part of the process. This capability is available in MySQL Cluster NDB 7.0 (beginning with MySQL Cluster NDB 6.4.0) and later MySQL Cluster release series.
Important
Currently, you must add new data nodes to a MySQL Cluster as part of a new node group. In addition, it is not possible to change the number of replicas (or the number of nodes per node group) online.
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