Fix Broken Sync Service with HA | Teradata Data Mover - 17.11 - Fixing Sync Service with High Availability - Teradata Data Mover

Teradata® Data Mover User Guide

Teradata Data Mover
Release Number
Release Date
October 2021
Content Type
User Guide
Publication ID
English (United States)
The automatic failover feature uses the synchronization service, which uses Postgres Logical Replication to synchronize the designated-active and designated-standby repositories.

If the underlying synchronization service is broken in a high-availability environment, use dmcluster switchback to re-configure and re-synchronize the repositories.

  1. Perform the following, based on the TVI alert received when server management logging is enabled:
    TVI Alert Action
    4604001 or 4604003 These alerts are indicative of a broken sync configuration.
    4604002 This alert is triggered when the replication process has had significant delays and the designated-standby repository can no longer keep up with the designated-active repository.