Cassandra versions requiring intermediate upgrades
Be sure to read the NEWS.txt for each version back to your current version.
Cassandra 3.0.x restrictions 
- Upgrade from Cassandra 2.2 versions later or equal to 2.2.2 directly to Cassandra 3.0.x.
- Upgrade from Cassandra 2.1 versions later or equal to 2.1.9 directly to Cassandra 3.0.x.
- Direct upgrade from Cassandra 2.0 and older versions is not supported.
Cassandra 2.2.x restrictions
- Upgrade from Cassandra 2.1 versions later or equal to 2.1.9 directly to Cassandra 2.2.x.
- Direct upgrade from Cassandra 2.0 and older versions is not supported.
Cassandra 2.1.x restrictions
- Upgrade from Cassandra 2.0.7 or later directly to Cassandra 2.1.
- Cassandra 2.1 is not compatible with Cassandra 1.x SSTables. To upgrade:
- Upgrade the SSTables.
- Upgrade the nodes to Cassandra 2.0.7 or later.
- Start the cluster.
- Upgrade the SSTables again.
- Stop the cluster.
- Upgrade to Cassandra 2.1.
Cassandra 2.0.x restrictions
- Upgrade to Cassandra 2.0.x directly from Cassandra 1.2.9 or later.
- Upgrade from Cassandra earlier than 1.2.9 to Cassandra 2.0.x using a rolling restart:
- Upgrade the SSTables.
- Upgrade the entire cluster to 1.2.9
- Upgrade to Cassandra 2.0.
Laisser un commentaire