What's New in This Guide

This section introduces the documentation updates for release 25.1.1xx.

Release 25.1.103 - G20469-06, October 2025

Upgrade Updates

Release 25.1.103 - G20469-05, October 2025

Post Installation Updates

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

Release 25.1.103 - G20469-04, August 2025

General Updates:
  • Updated the release number to "25.1.103" in the entire document.
Fault Recovery Updates:

Release 25.1.102 - G20469-03, July 2025

General Updates:
  • Updated the release number to "25.1.102" in the entire document.
Installation Updates:
  • Added a note in the Installing cnDBTier section to notify users to perform manual procedures or use fatal georeplication recovery procedures in case of any script failure during any operations.

Release 25.1.101 - G20469-02, May 2025

General Updates:
  • Updated the release number to "25.1.101" in the entire document.
  • Added a note to indicate installation-only parameters in Global Parameters section.

Release 25.1.100 - G20469-01, April 2025

General Updates:
  • Updated the MySQL version from "8.4.2" to "8.4.3" in the entire document.
  • Updated the release number to "25.1.100" in the entire document.
  • Updated the timestamps in the sample outputs in the entire document.
  • Added error correction policy details for 25.1.100 in the Oracle Error Correction Policy section.
Installation Updates:
  • Added a note in the Installing cnDBTier section to highlight the points to consider when HTTPS is enabled.
  • Updated the CPU and RAM resources for backup manager service in the Resource Requirement section.
  • Added a step to create secrets that host the TLS certificates used to encrypt the communication between cnDBTier and NFs in the Creating Secrets section.
  • Updated the steps to create HTTPS secret in the Creating Secrets section.
  • The following updates are made in the Customizing cnDBTier section:
    • Added the following parameters which are used to enable and configure TLS for communication between cnDBTier and NFs in the Global Parameters section:
      • /global/ndbappTLS/enable
      • /global/ndbappTLS/caSecret
      • /global/ndbappTLS/serverSecret
      • /global/ndbappTLS/tlsversion
      • /global/ndbappTLS/caCertificate
      • /global/ndbappTLS/serverCertificate
      • /global/ndbappTLS/serverCertificateKey
    • Added the /global/parallelbackuptransferandrestore/enable parameter which is used to enable or disable parallel backup transfer and restore during a georeplication recovery in the Global Parameters section.
    • Updated the default value of /global/remotetransfer/faultrecoverybackuptransfer from true to false in the Global Parameters section.
    • Added the following parameters in the DB Replication Service Parameters section:
      • /db-replication-svc/initiatebackupBeforeGeoRecoveryRestore
      • /db-replication-svc/threadcountforbackupchecksumvalidation
    • Updated the default value of the /api/externalService/labels parameter in the API Parameters section to eliminate duplicate labels in ndbmysqldsvc.
    • Updated the default values of the following parameters in the DB Backup Manager Service Parameters section:
      • /db-backup-manager-svc/resources/limits/cpu (from 100 Mi to 1 Gi)
      • /db-backup-manager-svc/resources/limits/memory (from 128 Mi to 1 Gi)
      • /db-backup-manager-svc/resources/requests/cpu (from 128 Mi to 1 Gi)
      • /db-backup-manager-svc/resources/requests/memory (from 90 Mi to 1 Gi)
  • Added a step in the Installation Task to alter NF user privilege to restrict communication from non-TLS NF sources.
  • Updated the steps to create HTTPS certificates and added the recommended openssl version in the Creating HTTPS or TLS Certificates for Encrypted Connection section.
Upgrade, Rollback, and Uninstall Updates:
Fault Recovery Updates: