Centera in 2-tier mode establishes a direct connection from the OnBase Client to a Centera machine for document archiving and retrieval. Client workstations connecting in 2-tier mode must have the Centera SDK files installed locally.
The use of 2-tier mode is only recommended for using OnBase as a service. Any other implementation of OnBase should use 3-tier mode to prevent the need for all systems to access the PEA file as is necessary in 2-tier mode. See Configuring Storage Integration for EMC Centera® (DCS) for more information on configuring a 3-tier system.
Workstations performing backups or commits often use a 2-tier connection because of enhanced performance. 2-tier mode bypasses DCS without having to disable DCS.
To connect to Centera using 2-tier mode: