What's New in This Guide

This section introduces the documentation updates for release 25.1.2xx.

Release 25.1.201-4 - G32777-10, January 2026

Upgrade Updates

Added the section Verifying the Schema Upgrade to verify that the schema upgrade was successful and has been replicated across the georeplication sites.

Fault Recovery Updates

Made editorial changes to the section Restoring Georeplication (GR) Failure, including details on manual and automated recovery workflows for cnDBTier.

Release 25.1.201-3 - G32777-09, December 2025

Made editorial changes in the Fault Recovery chapter.

Release 25.1.201-3 - G32777-08, November 2025

General Updates

Updated the release number to "25.1.201-3" in the entire document.

Release 25.1.201-2 - G32777-07, November 2025

General Updates

Updated the release number to "25.1.201-2" in the entire document.

Release 25.1.201-1 - G32777-06, November 2025

General Updates

Updated the release number to "25.1.201-1" in the entire document.

Configuration Updates

Updated the supported values for the /global/serviceMode/external/connectivityService parameter in the Global Parameters section to indicate that only IPv4 or IPv6 values are supported.

Release 25.1.201 - G32777-05, October 2025

Upgrade Updates

Release 25.1.201 - G32777-04, October 2025

Post Installation Updates

Added steps to update the DBTier specific alerts file with DBTier namespace in the following sections:

Upgrade Updates

Corrected the previous release and leap frog versions in the Upgrading cnDBTier Clusters section.

Rollback Updates

Corrected the previous release versions in the Rolling Back cnDBTier section.

Release 25.1.201 - G32777-03, September 2025

Upgrade Updates

Corrected the release version to 25.1.2xx in the Upgrading cnDBTier Clusters section.

Rollback Updates

Corrected the release version to 25.1.2xx in the Rolling Back cnDBTier section.

Release 25.1.201 - G32777-02, August 2025

General Updates
  • Updated the release number to "25.1.201" in the entire document.
Installation Updates

Release 25.1.200 - G32777-01, July 2025

General Updates
  • Updated the release number to "25.1.200" in the entire document.
  • Added a note to indicate installation-only parameters in the Global Parameters section.
Installation Updates
  • Automated serviceAccount creation:
    • Removed the serviceAccount configuration parameters from the Global Parameters section.
    • Added the following parameters to enable automated serviceAccount creation:
      • /global/autoCreateResources/enabled
      • /global/autoCreateResources/serviceAccounts/create
      • /global/autoCreateResources/serviceAccounts/accounts[0]/serviceAccountName
      • /global/autoCreateResources/serviceAccounts/accounts[0]/type
      • /global/autoCreateResources/serviceAccounts/accounts[0]/create
      • /global/autoCreateResources/serviceAccounts/accounts[1]/serviceAccountName
      • /global/autoCreateResources/serviceAccounts/accounts[1]/type
      • /global/autoCreateResources/serviceAccounts/accounts[1]/create
      • /global/autoCreateResources/serviceAccounts/accounts[2]/serviceAccountName
      • /global/autoCreateResources/serviceAccounts/accounts[2]/type
      • /global/autoCreateResources/serviceAccounts/accounts[2]/create
  • Added the following parameters to enable support for both HTTP and HTTPS protocols over db-replication-svc:
    • /global/https/supportDualProtocol
    • /global/db-replication-svc/dbreplsvcdeployments[].service.httpport
    • /global/db-replication-svc/dbreplsvcdeployments[].service.httpsport
  • Added the following parameters to configure HTTPS protocol over db-replication-svc:
    • /global/https/clientAuthentication
    • /global/https/caCertificate
    • /global/https/serverCertificate
    • /global/https/serverCertificateKey
    • /global/https/clientCertificate
    • /global/https/clientCertificateKey
    • /global/https/secrets/caSecret
    • /global/https/secrets/serverSecret
    • /global/https/secrets/clientSecret
  • Support for Dual Stack:

    • Added the following configuration parameters in the Global Parameters section

      • global/serviceMode/internal
      • global/serviceMode/external/ndbmysqldsvc
      • global/serviceMode/external/connectivityService
      • global/serviceMode/external/dbMonitorService
    • Added the following configuration parameters in the DB Replication Service Parameters section:
      • db-replication-svc/dbreplsvcdeployments[]/serviceMode.external
      • /global/db-replication-svc/dbreplsvcdeployments[].replication.preferredIpFamily
    • Added the global/api/max_binlog_size configuration parameter in the Global Parameters section.
  • Creating NF users using dbtuser script

    Added a sub section "Creating NF Users using dbtuser script" in the Creating NF Users section that explains how to use dbtuser automation script to create NF users.

Upgrade Updates
Rollback Updates

Added the following sections that explain how to rollback cnDBTier from HTTPS enable to disable version and to rollback cnDBTier HTTPS disable enable versions.