Rolling Upgrade From NuoDB 2.3

For continuous data availability during an upgrade from NuoDB 2.3, follow the instructions in this topic. Continuous data availability requires:

Note: To upgrade from NuoDB 2.4, see Rolling Upgrade From NuoDB 2.4.

In a rolling upgrade, you upgrade one host in the domain at a time. Ideally, a database's last upgraded host runs a transaction engine and not also a storage manager for that database. Otherwise, you can upgrade hosts in any order.

The rolling upgrade procedure consists of executing the following steps on each host: 1) shutting down NuoDB processes and services, 2) installing the latest release of NuoDB, and 3) restarting the broker.

Upgrade Instructions per Host

For each host in the domain, execute the following steps:

Repeat these four steps for each host in the domain.

Additional Tasks

Perform the Tasks After Upgrading to Release 2.4.

See also: Verifying the Rolling Upgrade.