This presentation is based on Lawrence To's Maximum Availability Architecture (MAA) Oracle Open World Presentation talking about the latest updates on high availability (HA) best practices across multiple architectures, features and products in Oracle Database 19c. It considers all workloads, OLTP, DWH and analytics, mixed workload as well as on-premises and cloud-based deployments.
11. MAA Score Card
MAA architectural
readiness and
configuration practices
Database and Exadata Health Checks
Assessment Report
Health Score, Summary,
Findings
Findings &
Recommendations
How to Solve the
problem?
Automated Orachk/Exachk Healthcheck (Doc ID 107954.1) updated frequently
27. Why Pluggable Databases for High Availability?
• Pluggable Databases are an inherent database feature
• Enable common lifecycle operations in an online fashion
• Integrated with other Oracle High Availability (HA) features
28. De-support of Non-Container Database Architecture
• The Oracle Database non-CDB architecture will be
de-supported from Oracle Database 20c onwards
• To ease the migration to this architecture,
from Oracle Database 19c onwards, the multitenant architecture
supports up to 3 user-created Pluggable Databases of any type
• The Multitenant Option is required for 4 or more user-created PDBs
29. De-support of Non-Container Database Architecture
• “The Question”:
• How to migrate / upgrade to 20c supporting PDBs only?
• Answers:
1. https://mikedietrichde.com/2019/08/13/database-migration-from-non-cdb-to-pdb-
the-minimal-downtime-challenge/
2. Using Transient Logical Rolling Upgrade for Database Migration (Doc ID 2350945.1)
39. De-support of Non-Container Database Architecture
• “The Question”:
• How to migrate / upgrade to 20c supporting PDBs only?
• Answer:
1. GoldenGate can provide Zero Downtime Migration.
50. Thank you!
Markus Michalewicz (Markus.Michalewicz@oracle.com)
Senior Director of Database Product Management
@OracleRACpm
www.linkedin.com/in/markusmichalewicz
www.slideshare.net/MarkusMichalewicz