This is the documentation for Cloudera Manager 5.1.0.
Documentation for other versions is available at Cloudera Documentation.

Upgrading CDH 3

  Warning: Cloudera Manager 3 and CDH 3 have reached End of Maintenance (EOM) as of June 20, 2013. Cloudera does not support or provide patches for Cloudera Manager 3 and CDH 3 releases.

To upgrade CDH 3 to CDH 4 with Cloudera Manager 4, follow the instructions at Upgrading CDH 3 to CDH 4 in a Cloudera Manager Deployment.