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About upgrading
The Upgrade guide provides detailed instructions on upgrading DataStax Enterprise, Cassandra, OpsCenter, DataStax Agents, DataStax drivers, the DataStax AMI, and reverting to earlier versions.
Supported & compatible versions
Supported product versions and compatibility between products.
Upgrading DataStax Enterprise
Upgrade instructions for DataStax Enterprise.
Planning your upgrade
Minimize downtime and interim upgrade requirements.
Minor upgrades
Upgrading DataStax Enterprise between point (patch) releases.
Upgrading to 5.0
Instructions to upgrade to DataStax Enterprise 5.0 from DataStax Enterprise 4.7 or 4.8.
Upgrading to 4.7 or 4.8
Instructions to upgrade to DataStax Enterprise 4.7 or 4.8 from DataStax Enterprise 4.0, 4.5, or 4.6.
Upgrading to 4.6
Instructions to upgrade to DataStax Enterprise 4.6 from DataStax Enterprise versions 3.2.5 to 4.5.
Upgrading to 4.0 or 4.5
Follow these instructions to upgrade to DataStax Enterprise 4.0 or 4.5.
Upgrading to 3.2
Follow these instructions to upgrade to DataStax Enterprise 3.2.x.
Upgrading using the DataStax Installer
DataStax Enterprise upgrade instructions for the DataStax Installer.
Rolling back an upgrade
Revert to an earlier DataStax Enterprise version.
Upgrading DataStax Community to DataStax Enterprise
Upgrade instructions from DataStax Community to DataStax Enterprise.
Upgrading Apache Cassandra™
Instructions for upgrading Apache Cassandra.
Versions requiring intermediate upgrades
Upgrading from some versions of Apache Cassandra require intermediate upgrades.
2.1 considerations
Considerations when upgrading to Apache Cassandra 2.1.
Guidelines and general upgrade steps
Guidelines and general Apache Cassandra upgrade steps.
Upgrade procedures
Detailed upgrade instructions for Apache Cassandra.
Upgrading DataStax OpsCenter
Upgrade DataStax OpsCenter versions compatible with DataStax Enterprise versions.
OpsCenter product compatibility
DataStax Enterprise versions compatible with OpsCenter versions.
Upgrading package installations
Steps to upgrade to OpsCenter 6.0.
Upgrading tarball installations
Upgrade the OpsCenter 6.0 tarball and restart the opscenterd daemon.
Upgrading when failover is enabled
Process to follow when upgrading OpsCenter and failover is enabled.
Upgrading from the former standalone installer
Instructions for upgrading an OpsCenter instance installed from the former standalone installer in OpsCenter versions 5.1.x through 5.2.x to OpsCenter 6.0 and later. The standalone installer for OpsCenter was removed in the OpsCenter 6.0 release.
Upgrading agents
Upgrade the DataStax agents on each node in the managed clusters after restarting the upgraded OpsCenter daemon.
6.0 upgrade considerations
Changes in configuration files, metrics, and APIs that affect upgrades to OpsCenter 6.0.
5.2 upgrade considerations
Changes affecting upgrades to OpsCenter 5.2. Changes in precedence behavior amongst OpsCenter configuration files.
5.1 configuration considerations
Changes in configuration files affecting upgrades to OpsCenter 5.1.
Upgrading DataStax drivers
Steps for upgrading open source DataStax drivers for Apache Cassandra to DataStax drivers that support DataStax Enterprise 5.0 functionality.
Upgrading the DataStax AMI
Instructions for upgrading the DataStax Amazon Machine Image (AMI).