Thursday, May 14, 2009

Forcing Database Replication in CUCM

Since the release of CUCM 6.x, subscriber servers in a cluster are now able to make read and minor write changes to the IDS (Informix Dynamic Server) database, the writes are for special applications such as user-facing features (Call Forward All, MWI, Privacy Enable/Disable, etc).

Therefor when a WAN connection is restored after an outage, these features need to be replicated to the publisher, this process normally happen automatically but in some rare cases manual reset or repair may be required. This is performed using utils dbreplication repair all or utils dbreplication reset all at the CLI (the CLI can be accessed via console or SSH, Telnet is not supported due to security reasons).

Command Line Interface Reference Guide for Cisco Unified Communications Solutions Release 7.0(1) -- Updated 3/4/2009

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