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Azure Disk Storage Tutorial

Introduction to Azure Disk Storage

Azure Disk Storage offers high-performance, durable block storage for Azure Virtual Machines (VMs). Azure Disk Storage is designed to provide high availability, consistent performance, and enterprise-grade security.

Types of Azure Disks

Azure offers several types of disks to meet different needs:

  • Standard HDD: Cost-effective storage, suitable for backup and non-critical workloads.
  • Standard SSD: Better performance than Standard HDD, suitable for web servers and lightly used applications.
  • Premium SSD: High performance and low latency storage, suitable for production workloads.
  • Ultra Disk: High throughput and IOPS, suitable for data-intensive workloads.

Creating a Managed Disk

To create a managed disk in Azure, follow these steps:

Example using Azure CLI:

az disk create --resource-group MyResourceGroup --name MyDisk --size-gb 128 --sku Standard_LRS

Attaching a Disk to a VM

After creating a disk, you can attach it to an existing VM:

Example using Azure CLI:

az vm disk attach --resource-group MyResourceGroup --vm-name MyVM --name MyDisk

Resizing a Disk

To resize an existing disk, you can use the Azure CLI:

Example using Azure CLI:

az disk update --resource-group MyResourceGroup --name MyDisk --size-gb 256

Snapshots and Backups

Azure allows you to take snapshots of your disks for backup purposes:

Example using Azure CLI:

az snapshot create --resource-group MyResourceGroup --source MyDisk --name MySnapshot

Monitoring Disk Performance

To monitor the performance of your Azure disks, you can use Azure Monitor:

  • Metrics: Provides data points such as Disk IOPS, Throughput, and Latency.
  • Alerts: You can configure alerts based on specific metrics to get notified when thresholds are breached.

Conclusion

Azure Disk Storage is a robust and scalable solution for your storage needs. Whether you are running a small web application or a large enterprise workload, Azure provides various disk types to meet your requirements. By understanding how to create, attach, resize, and monitor disks, you can ensure optimal performance and reliability for your applications.