7.4.1.1 When cnDBTier Failed in All Sites

This section describes how to recover binding database when successful data replication corrupts all the cnDBTier sites.

To recover binding database, perform the following steps:

1. Uninstall BSF Helm charts on all sites. For more information about uninstalling Helm charts, see Oracle Communication Cloud Native Core, Binding Support Function Installation, Upgrade, and Fault Recovery Guide available on MOS.
2. Perform DBTier fault recovery procedure:
   1. Use auto-data backup file for restore procedure. For more information about cnDBTier restore, see Oracle Communications Cloud Native Core, cnDBTier Installation, Upgrade, and Fault Recovery Guide available on MOS.
3. Install BSF Helm charts. For more information about installing Helm charts, see Oracle Communication Cloud Native Core, Binding Support Function Installation, Upgrade and Fault Recovery Guide available on MOS.

   Note:

   You can also refer to the ocbsf_custom_values_24.3.0.yaml file used at the time of BSF installation for Helm charts installation.