Oracle RAC Virtualized - In VMs, in Containers, On-premises, and in the Cloud
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The document outlines Oracle's support policies for its database and Real Application Clusters (RAC) across various environments, including bare metal, virtualized, containerized, on-premises, and cloud setups. It emphasizes the layered approach to support, which requires certification of both the Oracle database and the underlying infrastructure to ensure compatibility and functionality. Additionally, it stresses the importance of consulting Oracle's documentation and support resources for specific configurations and updates related to support status.
![Support Basics for Virtualization Technologies
Copyright © 2021, Oracle and/or its affiliates
21
General rule:
Oracle’s documentation
(for virtualization
technologies) is based
on a positive list.
I.E. a configuration that
is not listed is – if in
doubt – not supported.
The Virtualization Matrix
is Oracle’s single source of
truth for “Certified [non-
Oracle] Virtualization and
Partitioning Technologies
for Oracle Database and
RAC Product Releases”.
If the “Virtualization
Matrix” does not cover a
case, check for special
ruling in My Oracle
Support notes or request
clarification via an SR.
General rule:
Any virtualization or
container solution is an
add-on layer to be
considered for support.
General support rules
and regulations for
Oracle Database / RAC
still apply.](https://image.slidesharecdn.com/oracleracvirtualizedonpremcloud-220408205613/85/Oracle-RAC-Virtualized-In-VMs-in-Containers-On-premises-and-in-the-Cloud-21-320.jpg)
Oracle RAC Virtualized - In VMs, in Containers, On-premises, and in the Cloud
- 1. Oracle RAC – Virtualized In VMs, in containers, on-premises and in the cloud Markus Michalewicz Vice President of Product Management Database HA, Scalability, MAA, ZDM November 16, 2021 Copyright © 2021, Oracle and/or its affiliates 1 @KnownAsMarkus www.linkedin.com/in/markusmichalewicz www.slideshare.net/MarkusMichalewicz
- 2. Agenda for 2016 Version of the Presentation & Simplified Agenda for Today 1. Certified, Supported & Recommended 2. Oracle Database and RAC Support 3. Bare-Metal, Virtualized, Containerized Times Change, Fundamentals Remain Copyright © 2021, Oracle and/or its affiliates 2 General Oracle Database Support General Oracle RAC Support Rules Certified, Supported & Recommended Virtualization Technologies Support Oracle RAC Support in the Cloud 1 2 3 4 5
- 3. Certified, Supported & Recommended
- 4. https://www.linkedin.com/pulse/supported-certified-recommended-my-guide-products-michalewicz/ Certified, Supported, and Recommended Configurations Copyright © 2021, Oracle and/or its affiliates 4 Supported Configurations Certified Configurations Recommended Configurations Recommended Configurations Graphics do not scale! • Supported by definition simply means: "give assistance to, especially financially; enable to function or act." • Certified configurations in the case of Oracle are supported configurations that are tested. • “Recommended Configurations” – is not a technical support term. It is a classification of a given configuration. Recommendations are often provided via Best Practices guidelines. • Oracle Software Technical Support Policies: https://www.oracle.com/us/assets/057419.pdf
- 5. It’s a multi-dimensional problem The Problem with Documenting Supported Configurations Copyright © 2021, Oracle and/or its affiliates 5 The solution is to break it down into handle-able chunks.
- 6. Oracle Database and Real Application Cluster (RAC) Support
- 7. Part 1 Support Basics for Oracle Database Copyright © 2021, Oracle and/or its affiliates 7 General rules and regulations govern the support for the Oracle Database. If “general rules and regulations” (alone) do not cover a given case, consult Certifications for details. If “Certifications” does not cover a case, check for exceptions and special ruling in My Oracle Support (MOS) Notes or request clarification via a Service Request.
- 8. Part 2 Support Basics for Oracle Database Copyright © 2021, Oracle and/or its affiliates 8 General rule: The Oracle Database is certified on OS-level, not on hardware-level. General rule: Storage recognized as block storage on OS-level does not require certification. File System support is subject to “special ruling” (see MOS note “Supported and Recommended File Systems on Linux – Doc ID 236826.1”). Note 1: Icon size is random. Note 2: Not a complete list of supported OS.
- 9. Summary and conclusion Determining support for a given configuration means considering: 1. General rules and regulations 2. Certifications 3. Exceptions and special ruling General rules: 1. The Oracle Database is certified on OS-level, not on hardware-level. 2. Storage recognized as block storage on OS-level does not require certification. Support for Oracle Database is “layered”: • A system is only supported for the Oracle Database, if all layers are supported. • Example: In any system, in which the OS is certified, but the file system (subject to “special ruling”) is not, Oracle Database cannot be supported using the unsupported file system (FS) for database files. • The FS might still be eligible to host the Oracle Home while other FSs can be used for database files. Support Basics for Oracle Database Copyright © 2021, Oracle and/or its affiliates 9
- 10. Part 1 Support Basics for Oracle RAC Copyright © 2021, Oracle and/or its affiliates 10 Oracle RAC can only be supported on a system that is supported for the Oracle Database. To determine support for Oracle RAC on a given system, certain hardware requirements as listed in the “RAC Technology Support Matrixes” need to be met. Additionally, all requirements listed in the Oracle Documentation for the Oracle Grid Infrastructure Installation guide need to be met.
- 11. RAC Technology Compatibility Matrix (RTCM) https://www.oracle.com/database/technologies /tech-generic-linux-new.html https://www.oracle.com/database/technologies /tech-generic-unix-new.html Support Basics for Oracle RAC Copyright © 2021, Oracle and/or its affiliates 11 RTCM for Windows: http://www.oracle.com/technetwork/database/clustering/tech-generic-windows-new-166584.html
- 12. Part 2 Support Basics for Oracle RAC Copyright © 2021, Oracle and/or its affiliates 12 Network requirements (network cards & switches) need to be considered for Oracle RAC. They are covered in the RTCMs and the Oracle Documentation. Storage requirements (shared storage & access protocols) need to be considered for Oracle RAC. They are covered in the RTCMs and the Oracle Documentation. Certifications/RTCMs must be consulted as soon as Oracle RAC is meant to be operated together with a third-party cluster solution or a third-party cluster file system. Cluster A Oracle Cluster Simplified
- 13. Summary and conclusion Determining support for a given configuration means considering: 1. Support for Oracle Database 2. Oracle RAC Technology Compatibility Matrixes (RTCM) 3. Oracle Documentation regarding further requirements 4. Third party cluster solutions and third-party cluster file systems as needed Support for Oracle RAC is “layered” and considers hardware to some degree: • A system is only supported for Oracle RAC, if all layers are supported. • Example: In each system, in which the Oracle Database is supported, but which fails to meet network or storage requirements for Oracle RAC, cannot be supported for Oracle RAC. • This means, a system that is supported for Oracle RAC is always supported for the Oracle DB. Support Basics for Oracle RAC Copyright © 2021, Oracle and/or its affiliates 13
- 14. Is Oracle Database 19c certified on Oracle Linux 7? Using “Certifications” – Part 1 Copyright © 2021, Oracle and/or its affiliates 14
- 15. Review “Certification Details for Notes and Support information.” Using “Certifications” – Part 2 Copyright © 2021, Oracle and/or its affiliates 15
- 16. Is Oracle Real Application Clusters Certified with Veritas Storage Foundation? Using “Certifications” – Part 3 Copyright © 2021, Oracle and/or its affiliates 16
- 17. Check support status on a regular/ as needed basis A support status may change • For simplification or modernization purposes • For quality assurance / due to lack of demand Examples • RDS over Infiniband (IB) Support for Oracle RAC on Linux • Was: generic support via OFED “permitted” • Current: RDS over IB support on Engineered Systems (ES) • IP over IP supported • Future: RDMA over Converged Ethernet (RoCE) on ES • RDS over TCP support • Deprecation of Vendor Clusterware Integration with Oracle Clusterware with Oracle RAC 19c A Support Status can Change over Time Copyright © 2021, Oracle and/or its affiliates 17 Cluster A Oracle Cluster
- 19. Bare Metal • Most of Oracle’s support rules and regulations go back to “bare metal times” • Number of choices may sometimes require some due diligence to determine supported configurations Engineered Systems • Engineered systems (ES) simplify finding supported configurations • Main source of truth are documentation & My Oracle Support VMs & Container • Are always subject to “special ruling” • Main source of truth: “Virtualization Matrix” • Orchestration requires extra consideration Cloud • Generally subject to “special ruling” • For Oracle Cloud, main source of truth is the documentation • For Non-Oracle Public Clouds, see new My Oracle Support (MOS) Note 2688277.1 Bare-Metal, Engineered Systems, VMs/Containers, and Cloud Copyright © 2021, Oracle and/or its affiliates 19
- 20. Bare Metal • Most of Oracle’s support rules and regulations go back to “bare metal times” • Number of choices may sometimes require some due diligence to determine supported configurations Engineered Systems • Engineered systems (ES) simplify finding supported configurations • Main source of truth are documentation & My Oracle Support VMs & Container • Are always subject to “special ruling” • Main source of truth: “Virtualization Matrix” • Orchestration requires extra consideration Cloud • Generally subject to “special ruling” • For Oracle Cloud, main source of truth is the documentation • For Non-Oracle Public Clouds, see new My Oracle Support (MOS) Note 2688277.1 Bare-Metal, Engineered Systems, VMs/Containers, and Cloud Copyright © 2021, Oracle and/or its affiliates 20
- 21. Support Basics for Virtualization Technologies Copyright © 2021, Oracle and/or its affiliates 21 General rule: Oracle’s documentation (for virtualization technologies) is based on a positive list. I.E. a configuration that is not listed is – if in doubt – not supported. The Virtualization Matrix is Oracle’s single source of truth for “Certified [non- Oracle] Virtualization and Partitioning Technologies for Oracle Database and RAC Product Releases”. If the “Virtualization Matrix” does not cover a case, check for special ruling in My Oracle Support notes or request clarification via an SR. General rule: Any virtualization or container solution is an add-on layer to be considered for support. General support rules and regulations for Oracle Database / RAC still apply.
- 22. https://www.oracle.com/database/technologies/virtualization-matrix.html The Virtualization Matrix Copyright © 2021, Oracle and/or its affiliates 22
- 23. Oracle VM and Vmware – a special ruling case • Oracle VM is the only fully supported and certified VM-based virtualization solution for Oracle RAC. For more information, see: • The Virtualization Matrix • Oracle RAC in Oracle VM Environments (paper) • Certified Software on Oracle VM (464754.1) • Vmware support is regulated in the recently updated MOS note: “Support Position for Oracle Products Running on VMWare Virtualized Environments (Doc ID 249212.1)” Using The Virtualization Matrix – Part 1 Copyright © 2021, Oracle and/or its affiliates 23
- 24. Containers are covered; orchestration solutions need to be considered Oracle-provided Docker container images include: • EE, SE2, Single Instance, Sharding, and RAC • Available at: https://container-registry.oracle.com • https://blogs.oracle.com/maa/post/oracle-rac-on- docker-now-with-full-production-support These images are supported for production use • RAC supported only on-premises. Use Oracle’s managed cloud services for RAC support in the cloud (Autonomous Database, ExaCS, DBCS, …) • RAC images support assumes the underlying OS, Hardware, etc. are also supported for RAC • Support for Oracle RAC on podman is planned. Orchestration solutions are supported if underlying support requirements are met. • It is assumed that • The underlying OS, Hardware, etc. are supported • The solution used understands those requirements Specifically: • Oracle Database Docker images can be deployed in Kubernetes using Helm charts • Charts describe the application structure so that Helm can install and configure the pieces of the application (e.g., Oracle RAC and Sharding) • OpenStack is supported depending in certain configurations and subject to above guideline. • Consider RAC requirements for network and storage Using The Virtualization Matrix – Part 2 Copyright © 2021, Oracle and/or its affiliates 24
- 25. Support for Oracle Database in “Non-Oracle Public Cloud Environments” a.k.a. “third-party clouds” is regulated in MOS note 2688277.1: https://support.oracle.com/knowledge/Oracle%20Dat abase%20Products/2688277_1.html This support includes RAC for which it says: “Oracle does not support Oracle RAC or Oracle RAC One Node running on Non-Oracle Public Cloud Environments.” Oracle Cloud with its Database Cloud Services is currently the only supported cloud environment for Oracle RAC and Oracle RAC One Node. Cloud Copyright © 2021, Oracle and/or its affiliates 25
- 26. Summary and conclusion Determining support for a given configuration means considering: 1. Basic support rules and regulations 2. The virtualization layer or container solution itself 3. Orchestration solutions as needed 4. On-premises or cloud use of the given configuration General rules: 1. Any virtualization or container solution is an add-on layer to be considered for support. 2. Oracle’s documentation (for virtualization technologies) is based on a positive list. Support for Oracle RAC is “layered” from bottom to top: • Virtualization cannot be used to overcome basic support rules and regulations. • Virtualized hardware (software-defined hardware) is subject to extra consideration. • Best practices are normally used to provide respective guidance. Support Basics for Virtualization Technologies Copyright © 2021, Oracle and/or its affiliates 26
- 27. 27 Thank you Markus Michalewicz ([email protected]) Vice President of Product Management @KnownAsMarkus www.linkedin.com/in/markusmichalewicz www.slideshare.net/MarkusMichalewicz Copyright © 2021, Oracle and/or its affiliates