FlashGrid Cluster
for Oracle Failover HA on Azure
FAQ
What is the main benefit of running Oracle Failover HA on Azure?
FlashGrid Cluster provides an HA architecture engineered for Oracle Database. It has been proven over 7 years of running mission-critical databases on Azure. Deployments are easy and automated in just 90 minutes. 24/7 support covers the entire infrastructure stack. The same proven architecture that Azure endorses for running Oracle RAC.
FlashGrid Cluster for Failover HA on Azure enhances the reliability of the database servers and enables fast failure isolation and rapid failover between availability zones. Spreading database nodes across availability zones (Multi-AZ) protects against data center failures.
How does FlashGrid help deploy a mission-critical application in Azure?
FlashGrid offers HA database architecture that allows full control and the flexibility to meet future database and infrastructure requirements:
- Fail-over database clustering based on proven FlashGrid and Oracle clustering technologies.
- Full control of sizing, patching/updates, and database features. You have the root@ access.
- Portability between cloud providers.
- Ease of deployment similar to DBaaS.
How can we migrate our Oracle database data from on-premises to Azure?
The migration process is similar to migrating a database between two data centers. Depending on the size of the database and tolerable downtime, you can use one of the regular migration tools, such as RMAN backup/restore, export/import, or Data Guard replication. If required, FlashGrid can recommend a suitable partner with experience in complex migrations.
How do I reduce the cost of Oracle Database licenses on Azure?
For those Oracle Database customers who have per-CPU Oracle Database licenses, Azure offers several ways to manage and minimize the number of Oracle licenses.
- Dedicated Hosts allow managing Oracle Database licenses at the physical host level instead of per-vCPU.
- Bare-Metal instances allow managing Oracle Database licenses per physical CPU core instead of per-vCPU by eliminating the virtualization layer.
- By configuring the virtual instance CPU options, the number of CPU cores (and vCPUs) exposed to the instance can be reduced while keeping the full capacity of other resources (memory, storage throughput, network bandwidth).
Can a database in Azure match the performance of our on-premises database?
Testing performed at FlashGrid and by our customers demonstrated performance levels matching or exceeding the performance of high-end on-premises systems. See the Performance Considerations section in the architecture documentation for Azure, AWS, and Google Cloud. Our engineers can help you analyze your application performance needs and size the database cluster accordingly – request a demo.
Do we get 24/7 technical support for mission-critical deployments in Azure?
Yes. For cloud deployments, FlashGrid Technical Support Services cover the entire infrastructure stack and are included in the Marketplace fees.
How can we get help with deploying a cluster in Azure?
We are happy to guide you through the process. Email us to schedule a screen sharing session with one of our engineers.
How do we purchase FlashGrid licenses and support on Azure?
FlashGrid is deployed through Azure Marketplace. The marketplace software fees include FlashGrid software license and technical support.
Is Azure suitable for running Oracle Database?
Yes. FlashGrid Cluster was available on Azure before Oracle introduced a DBaaS offering for their own cloud, OCI. Multiple availability zones in each Azure region coupled with FlashGrid Cluster enable high availability and fault tolerance exceeding a typical on-premises Oracle Database deployment.
What is the maximum Oracle database size supported in Azure?
FlashGrid Cluster for Oracle RAC and FlashGrid Cluster for Oracle Failover HA have architectures that do not limit Oracle database size. Up to 100 TB is practical with 2 or 3 hyper-converged nodes, and 500+ TB is possible with separate storage nodes.
Does FlashGrid Cluster prevent me from using other tools such as RMAN, Data Guard, GoldenGate, OEM, DBvisit, and SharePlex?
No, FlashGrid Cluster is compatible with these, as well as most backup and disaster recovery tools.
Which Oracle Database versions does FlashGrid support?
Oracle Database versions 19c, 18c, 12.2, 12.1, and 11.2 are supported. We test with the latest PSUs / RUs as they are released. For the latest information, please visit this knowledge base article.
Which operating systems does FlashGrid support on Azure?
For database nodes, Oracle Linux 8/9 or Red Hat Enterprise Linux 7/8/9. Application servers and other database clients can run on any operating systems, including Linux and Windows.
Are Oracle licenses included?
Oracle licenses and support must be purchased directly from Oracle.
Why use Oracle Database in Azure?
Oracle Database is the #1 database management technology (DB-Engines rank), and it powers many of the world’s most critical operations. Azure customers can harness the combined power of Azure, FlashGrid Cluster, and Oracle RAC or Oracle Failover HA to achieve uptimes as high as 99.999%.