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title: Migrate Oracle workload to Azure VMs (IaaS)| Microsoft Docs
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title: Migrate Oracle workload to Azure VMs (IaaS)
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description: Migrate Oracle workload to Azure VMs.
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author: jjaygbay1
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ms.author: jacobjaygbay
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1. **Assess your Oracle workload using AWR Reports**: To move your Oracle workload onto Azure, carefully [analyze the actual database workloads of the customer by using AWR reports](https://github.com/Azure/Oracle-Workloads-for-Azure/tree/main/az-oracle-sizing) and determine the best VM size on Azure that meets the workload performance requirements. The reader is cautioned not to take the hardware specifications of the existing, on-premises Oracle servers or appliances and map one-to-one to Azure VM specifications since most Oracle environments are heavily oversized both from a hardware and Oracle licensing perspective.
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Take AWR reports from heavy usage time periods of the databases (such as peak hours, nightly backup and batch processing, or end of month processing, etc.). The AWR-based right sizing analysis takes all key performance indicators and provides a buffer for unexpected peaks during the calculation of required VM specifications.
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Take AWR reports from heavy usage time periods of the databases (such as peak hours, nightly backup and batch processing, or end of month processing, etc.). The AWR-based right sizing analysis takes all key performance indicators and provides a buffer for unexpected peaks during the calculation of required VM specifications.
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2. **Collect necessary AWR report data to calculate Azure VM Sizing:** From AWR report, fill in the key data required in ['Oracle_AWR_Erstimates.xltx'](https://techcommunity.microsoft.com/t5/data-architecture-blog/estimate-tool-for-sizing-oracle-workloads-to-azure-iaas-vms/ba-p/1427183) file as needed and determine suitable Azure VM and related workload (Memory).
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6. Move your **on-premises Oracle data to the Oracle on Azure VM:** Now that your required Oracle setup is done, pending task is to move data from on premise to cloud. There are many approaches. Best approaches are:
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- Azure databox: [Copy your on-premises](/training/modules/move-data-with-azure-data-box/3-how-azure-data-box-family-works) data and ship to Azure cloud securely. This suits high volume data scenarios. Data box [provides multiple options.](https://azure.microsoft.com/products/databox/data)
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- Data Factory [data pipeline to](/azure/data-factory/connector-oracle?tabs=data-factory) move data from one premise to Oracle on Azure – heavily dependent on bandwidth.
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- Azure databox: [Copy your on-premises](/training/modules/move-data-with-azure-data-box/3-how-azure-data-box-family-works) data and ship to Azure cloud securely. This suits high volume data scenarios. Data box [provides multiple options.](https://azure.microsoft.com/products/databox/data)
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- Data Factory [data pipeline to](../../../data-factory/connector-oracle.md?tabs=data-factory) move data from one premise to Oracle on Azure – heavily dependent on bandwidth.
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Depending on the size of your data, you can also select from the following available options.
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Depending on the size of your data, you can also select from the following available options.
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- **Azure Data Box Disk**:
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- **Azure Data Box Disk**:
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Azure Data Box Disk is a powerful and flexible tool for businesses looking to transfer large amounts of data to Azure quickly and securely.
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Azure Data Box Disk is a powerful and flexible tool for businesses looking to transfer large amounts of data to Azure quickly and securely.
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Learn more [Microsoft Azure Data Box Heavy overview | Microsoft Learn](/azure/databox/data-box-heavy-overview)
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Learn more [Microsoft Azure Data Box Heavy overview | Microsoft Learn](/azure/databox/data-box-heavy-overview)
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- **Azure Data Box Heavy**:
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- **Azure Data Box Heavy**:
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Azure Data Box Heavy is a powerful and flexible tool for businesses looking to transfer massive amounts of data to Azure quickly and securely.
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Azure Data Box Heavy is a powerful and flexible tool for businesses looking to transfer massive amounts of data to Azure quickly and securely.
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To learn more about data box, see [Microsoft Azure Data Box Heavy overview | Microsoft Learn](/azure/databox/data-box-heavy-overview)
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To learn more about data box, see [Microsoft Azure Data Box Heavy overview | Microsoft Learn](/azure/databox/data-box-heavy-overview)
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7. **Load data received at cloud to Oracle on Azure VM:**
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7. **Load data received at cloud to Oracle on Azure VM:**
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Now that data is moved into data box, or data factory is pumping it to file system, in this step migrate this data to a newly set up Oracle on Azure VM using the following tools.
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Now that data is moved into data box, or data factory is pumping it to file system, in this step migrate this data to a newly set up Oracle on Azure VM using the following tools.
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- RMAN - Recovery Manager
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- Oracle Data Guard
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- Goldengate with Data Guard
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- Oracle Data Pump
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- RMAN - Recovery Manager
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- Oracle Data Guard
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- Goldengate with Data Guard
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- Oracle Data Pump
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8. **Measure performance of your Oracle on Azure VM:** Demonstrate the performance of the Oracle on Azure VM using:
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- IO Benchmarking – VM tooling (Monitoring – CPU cycles etc.)
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- IO Benchmarking – VM tooling (Monitoring – CPU cycles etc.)
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Use the following handy tools and approaches.
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Use the following handy tools and approaches.
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- FIO – CPU Utilization/OS
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- SLOB – Oracle specific
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- Oracle Swingbench
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- AWR/statspack report (CPU, IO)
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- FIO – CPU Utilization/OS
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- SLOB – Oracle specific
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- Oracle Swingbench
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- AWR/statspack report (CPU, IO)
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9. **Move your on-premises Oracle data to the Oracle on Azure VM**: Finally switch off your on-premises Oracle and switchover to Azure VM. Some checks to be in place are as follows:
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- If you have applications using the database, plan downtime.
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- If you have applications using the database, plan downtime.
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- Use a change control management tool and consider checking in data changes, not just code changes, into the system.
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- Use a change control management tool and consider checking in data changes, not just code changes, into the system.
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## Next steps
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- [Storage options for Oracle on Azure VMs](oracle-storage.md)
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[Storage options for Oracle on Azure VMs](oracle-storage.md)

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