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Copy file name to clipboardExpand all lines: articles/azure-government/azure-secure-isolation-guidance.md
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@@ -772,7 +772,7 @@ The DEK, encrypted with the KEK, is stored separately and only an entity with ac
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For [Windows VMs](/azure/virtual-machines/windows/disk-encryption-faq), Azure Disk encryption selects the encryption method in BitLocker based on the version of Windows, for example, XTS-AES 256 bit for Windows Server 2012 or greater. These crypto modules are FIPS 140 validated as part of the Microsoft [Windows FIPS validation program](/windows/security/threat-protection/fips-140-validation#modules-used-by-windows-server). For [Linux VMs](/azure/virtual-machines/linux/disk-encryption-faq), Azure Disk encryption uses the decrypt default of aes-xts-plain64 with a 256-bit volume master key that is FIPS 140 validated as part of DM-Crypt validation obtained by suppliers of Linux IaaS VM images in Microsoft Azure Marketplace.
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##### *Server-side encryption for managed disks*
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[Azure Managed Disks](/azure/virtual-machines/managed-disks-overview) are block-level storage volumes that are managed by Azure and used with Azure Windows and Linux virtual machines. They simplify disk management for Azure IaaS VMs by handling storage account management transparently for you. Azure Managed Disks automatically encrypt your data by default using [256-bit AES encryption](/azure/virtual-machines/disk-encryption) that is FIPS 140 validated. For encryption key management, you have the following choices:
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[Azure managed disks](/azure/virtual-machines/managed-disks-overview) are block-level storage volumes that are managed by Azure and used with Azure Windows and Linux virtual machines. They simplify disk management for Azure IaaS VMs by handling storage account management transparently for you. Azure managed disks automatically encrypt your data by default using [256-bit AES encryption](/azure/virtual-machines/disk-encryption) that is FIPS 140 validated. For encryption key management, you have the following choices:
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-[Platform-managed keys](/azure/virtual-machines/disk-encryption#platform-managed-keys) is the default choice that provides transparent data encryption at rest for managed disks whereby keys are managed by Microsoft.
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-[Customer-managed keys](/azure/virtual-machines/disk-encryption#customer-managed-keys) enables you to have control over your own keys that can be imported into or generated inside Azure Key Vault or Managed HSM. This approach relies on two sets of keys as described previously: DEK and KEK. DEK encrypts the data using an AES-256 based encryption and is in turn encrypted by an RSA KEK that is stored in Azure Key Vault or Managed HSM.
Copy file name to clipboardExpand all lines: articles/azure-netapp-files/azacsnap-preview.md
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@@ -18,7 +18,7 @@ This article provides a guide on setup and usage of the new features in preview
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The preview features provided with AzAcSnap 11 are:
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- Azure NetApp Files backup
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- Azure Managed Disks
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- Azure managed disks
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> [!NOTE]
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> Previews are provided "as is," "with all faults," and "as available," and are excluded from the service-level agreements and may not be covered by customer support.
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For more information about this feature, see [Configure the Azure Application Consistent Snapshot tool](azacsnap-cmd-ref-configure.md).
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## Azure Managed Disks
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## Azure managed disks
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Microsoft provides many storage options for deploying databases such as SAP HANA. For details about some of these options, see [Azure Storage types for SAP workload](/azure/virtual-machines/workloads/sap/planning-guide-storage). There's also a [cost-conscious solution with Azure premium storage](/azure/virtual-machines/workloads/sap/hana-vm-premium-ssd-v1#cost-conscious-solution-with-azure-premium-storage).
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Here's the architecture at a high level:
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1. Attach Azure Managed Disks to the VM by using the Azure portal.
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1. Attach Azure managed disks to the VM by using the Azure portal.
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1. Create a logical volume from these managed disks.
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1. Mount the logical volume to a Linux directory.
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1. Enable communication in the same way as for Azure NetApp Files in the [AzAcSnap installation](azacsnap-configure-storage.md?tabs=azure-netapp-files#enable-communication-with-storage).
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1. Install and configure AzAcSnap.
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For more information about using Azure Managed Disks as a storage back end, see [Configure the Azure Application Consistent Snapshot tool](azacsnap-cmd-ref-configure.md).
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For more information about using Azure managed disks as a storage back end, see [Configure the Azure Application Consistent Snapshot tool](azacsnap-cmd-ref-configure.md).
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### Example configuration file
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PV UUID RNCylW-F3OG-G93c-1XL3-W6pw-M0XB-2mYFGV
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```
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Installing and setting up the Azure VM and Azure Managed Disks in this way follows Microsoft guidance to create Logical Volume Manager (LVM) stripes of the managed disks on the VM.
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Installing and setting up the Azure VM and Azure managed disks in this way follows Microsoft guidance to create Logical Volume Manager (LVM) stripes of the managed disks on the VM.
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With the Azure VM set up as prescribed, AzAcSnap can take snapshots of Azure Managed Disks. The snapshot operations are similar to those for other storage back ends that AzAcSnap supports; for example, Azure NetApp Files or Azure Large Instances (bare metal). Because AzAcSnap communicates with Azure Resource Manager to take snapshots, it also needs a service principal with the correct permissions to take managed disk snapshots.
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With the Azure VM set up as prescribed, AzAcSnap can take snapshots of Azure managed disks. The snapshot operations are similar to those for other storage back ends that AzAcSnap supports; for example, Azure NetApp Files or Azure Large Instances (bare metal). Because AzAcSnap communicates with Azure Resource Manager to take snapshots, it also needs a service principal with the correct permissions to take managed disk snapshots.
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This capability allows customers to test AzAcSnap on a smaller system and scale up to Azure NetApp Files and/or Azure Large Instances (bare metal).
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Supported `azacsnap` command functionality with Azure Managed Disks is `configure`, `test`, `backup`, `delete`, and `details`, but not yet `restore`.
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Supported `azacsnap` command functionality with Azure managed disks is `configure`, `test`, `backup`, `delete`, and `details`, but not yet `restore`.
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### Restore from an Azure Managed Disk snapshot
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### Restore from an Azure managed disk snapshot
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Although `azacsnap` is currently missing the `-c restore` option for Azure Managed Disks, it's possible to restore manually as follows:
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Although `azacsnap` is currently missing the `-c restore` option for Azure managed disks, it's possible to restore manually as follows:
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1. Create disks from the snapshots via the Azure portal.
Copy file name to clipboardExpand all lines: articles/azure-netapp-files/volume-hard-quota-guidelines.md
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## What is the volume hard quota change
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With the volume hard quota change, Azure NetApp Files volumes are no longer thinly provisioned at (the maximum) 100 TiB. The volumes are provisioned at the actual configured size (quota). Also, the underlying capacity pools no longer automatically grow upon reaching full-capacity consumption. This change reflects the behavior like Azure Managed Disks, which are also provisioned as-is, without automatic capacity increase.
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With the volume hard quota change, Azure NetApp Files volumes are no longer thinly provisioned at (the maximum) 100 TiB. The volumes are provisioned at the actual configured size (quota). Also, the underlying capacity pools no longer automatically grow upon reaching full-capacity consumption. This change reflects the behavior like Azure managed disks, which are also provisioned as-is, without automatic capacity increase.
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For example, consider an Azure NetApp Files volume configured at 1-TiB size (quota) on a 4-TiB Ultra service level capacity pool. An application is continuously writing data to the volume.
Copy file name to clipboardExpand all lines: articles/backup/azure-backup-architecture-for-sap-hana-backup.md
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### Backup architecture for database instance snapshot
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Azure Backup integrates Azure Managed Disk full or incremental snapshots with HANA snapshot commands to deliver instant backup and recovery capabilities for HANA.
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Azure Backup integrates Azure managed disk full or incremental snapshots with HANA snapshot commands to deliver instant backup and recovery capabilities for HANA.
Copy file name to clipboardExpand all lines: articles/backup/backup-azure-vm-backup-faq.yml
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answer: Yes. Even if you delete the VM, you can go to the corresponding backup item in the vault and [restore from a recovery point](backup-azure-arm-restore-vms.md#select-a-restore-point).
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- question: How do I restore a VM to the same availability sets?
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answer: For Managed Disk Azure VMs, restoring to the availability sets is enabled by providing an option in the template while restoring as managed disks. This template has the input parameter called **Availability sets**.
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answer: For managed disk Azure VMs, restoring to the availability sets is enabled by providing an option in the template while restoring as managed disks. This template has the input parameter called **Availability sets**.
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- question: How do we get faster restore performance?
Copy file name to clipboardExpand all lines: articles/backup/disk-backup-overview.md
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## How the backup and restore process works
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- The first step in configuring backup for Azure Managed Disks is creating a [Backup vault](backup-vault-overview.md). The vault gives you a consolidated view of the backups configured across different workloads. Azure Disk backup supports only Operational Tier backup. Copying of backups to the vault storage tier is not supported. So, the Backup vault storage redundancy setting (LRS/GRS) doesn't apply to the backups stored in Operational Tier.
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- The first step in configuring backup for Azure managed disks is creating a [Backup vault](backup-vault-overview.md). The vault gives you a consolidated view of the backups configured across different workloads. Azure Disk backup supports only Operational Tier backup. Copying of backups to the vault storage tier is not supported. So, the Backup vault storage redundancy setting (LRS/GRS) doesn't apply to the backups stored in Operational Tier.
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- Then create a Backup policy that allows you to configure backup frequency and retention duration.
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Azure Backup uses [incremental snapshots](/azure/virtual-machines/disks-incremental-snapshots) of the managed disk. Incremental snapshots are charged per GiB of the storage occupied by the delta changes since the last snapshot. For example, if you're using a managed disk with a provisioned size of 128 GiB, with 100 GiB used, the first incremental snapshot is billed only for the used size of 100 GiB. 20 GiB of data is added on the disk before you create the second snapshot. Now, the second incremental snapshot is billed for only 20 GiB.
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Incremental snapshots are always stored on standard storage, irrespective of the storage type of parent-managed disks, and are charged based on the pricing of standard storage. For example, incremental snapshots of a Premium SSD-Managed Disk are stored on standard storage. By default, they are stored on ZRS in regions that support ZRS. Otherwise, they are stored on locally redundant storage (LRS). The per GiB pricing of both the options, LRS and ZRS, is the same.
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Incremental snapshots are always stored on standard storage, irrespective of the storage type of parent-managed disks, and are charged based on the pricing of standard storage. For example, incremental snapshots of a Premium SSD-managed disk are stored on standard storage. By default, they are stored on ZRS in regions that support ZRS. Otherwise, they are stored on locally redundant storage (LRS). The per GiB pricing of both the options, LRS and ZRS, is the same.
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The snapshots created by Azure Backup are stored in the resource group within your Azure subscription and incur Snapshot Storage charges. For more details about the snapshot pricing, see [Managed Disk Pricing](https://azure.microsoft.com/pricing/details/managed-disks/). Because the snapshots aren't copied to the Backup Vault, Azure Backup doesn't charge a Protected Instance fee and Backup Storage cost doesn't apply.
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The snapshots created by Azure Backup are stored in the resource group within your Azure subscription and incur Snapshot Storage charges. For more details about the snapshot pricing, see [managed disk Pricing](https://azure.microsoft.com/pricing/details/managed-disks/). Because the snapshots aren't copied to the Backup Vault, Azure Backup doesn't charge a Protected Instance fee and Backup Storage cost doesn't apply.
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The number of recovery points is determined by the Backup policy used to configure backups of the disk backup instances. Older block blobs are deleted according to the garbage collection process as the corresponding older recovery points are pruned.
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## Related content
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-[Create a Backup policy for Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-create-update-disk-policy.md).
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-[Configure backup for Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-backup-disks.md).
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-[Restore Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-restore-disks.md).
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-[Create a Backup policy for Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-create-update-disk-policy.md).
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-[Configure backup for Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-backup-disks.md).
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-[Restore Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-restore-disks.md).
Copy file name to clipboardExpand all lines: articles/backup/disk-backup-support-matrix.md
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## Limitations
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- Azure Disk Backup is supported for Azure Managed Disks (Standard HDD, Standard SSD and Premium SSD, Premium SSD v2 disks, and Ultra Disks), including shared disks (Shared Premium SSDs). Unmanaged disks aren't supported.
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- Azure Disk Backup is supported for Azure managed disks (Standard HDD, Standard SSD and Premium SSD, Premium SSD v2 disks, and Ultra Disks), including shared disks (Shared Premium SSDs). Unmanaged disks aren't supported.
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>[!Note]
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>- For Azure Disks belonging to Standard HDD, Standard SSD, and Premium SSD SKUs, you can define the backup schedule with *Hourly* frequency (of 1, 2, 4, 6, 8, or 12 hours) and *Daily* frequency.
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- Azure Disk Backup supports backup of Write Accelerator disk. However, during restore the disk would be restored as a normal disk. Write Accelerated cache can be enabled on the disk after mounting it to a VM.
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- Azure Backup provides operational (snapshot) tier backup of Azure Managed Disks with support for multiple backups per day. The backups aren't copied to the backup vault.
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- Azure Backup provides operational (snapshot) tier backup of Azure managed disks with support for multiple backups per day. The backups aren't copied to the backup vault.
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- Currently, the Original-Location Recovery (OLR) option to restore by replacing existing source disks from where the backups were taken isn't supported. You can restore from recovery point to create a new disk either in the same resource group as that of the source disk from where the backups were taken or in any other resource group. This is known as Alternate-Location Recovery (ALR).
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- Azure Backup for Managed Disks uses incremental snapshots, which are limited to 500 snapshots per disk. To allow you to take on-demand backup aside from scheduled backups, Backup policy limits the total backups to 420. Learn more about [incremental snapshot](/azure/virtual-machines/disks-incremental-snapshots#restrictions) for managed disks.
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- Azure Backup for managed disks uses incremental snapshots, which are limited to 500 snapshots per disk. To allow you to take on-demand backup aside from scheduled backups, Backup policy limits the total backups to 420. Learn more about [incremental snapshot](/azure/virtual-machines/disks-incremental-snapshots#restrictions) for managed disks.
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- You can either set a maximum retention limit of 1 year or 450 disk snapshots, whichever reaches first. For example, if you have opted for a backup frequency of 12 hours, then you can retain each recovery point for maximum 225 days as the snapshot limit will be breached beyond that.
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## Next steps
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[Back up Azure Managed Disks](backup-managed-disks.md).
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[Back up Azure managed disks](backup-managed-disks.md).
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## Related content
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-[Create a Backup policy for Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-create-update-disk-policy.md).
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-[Configure backup for Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-backup-disks.md).
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-[Restore Azure Managed Disk using REST API](backup-azure-dataprotection-use-rest-api-restore-disks.md).
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-[Create a Backup policy for Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-create-update-disk-policy.md).
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-[Configure backup for Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-backup-disks.md).
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-[Restore Azure managed disk using REST API](backup-azure-dataprotection-use-rest-api-restore-disks.md).
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