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articles/site-recovery/azure-to-azure-support-matrix.md

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@@ -33,7 +33,7 @@ Replicate Azure VMs from one subscription to another for DR. | Supported within
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Migrate VMs across regions within supported geographical clusters (within and across subscriptions). | Supported within the same Microsoft Entra tenant.
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Migrate VMs within the same region. | Not supported.
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Azure Dedicated Host. | Not supported.
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Azure Virtual Desktop infrastructure VMs. | Supported if all the Azure to Azure replication prerequisites are fulfilled. (Zone-to-zone replication for individual servers is also supported.)
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Azure Virtual Desktop infrastructure VMs. | Supported if all the Azure-to-Azure replication prerequisites are fulfilled. (Zone-to-zone replication for individual servers is also supported.)
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## Region support
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@@ -83,7 +83,7 @@ V2 storage account | 750 disks | 375 disks
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As average churn on the disks increases, the number of disks that a storage account can support decreases. Use the preceding table as a guide for making decisions on the number of storage accounts that must be provisioned.
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The cache limits are specific to Azure to Azure and zone-to-zone DR scenarios.
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The cache limits are specific to Azure-to-Azure and zone-to-zone DR scenarios.
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When you enable replication via the VM workflow for cross-subscriptions, the portal lists only the cache storage account from the source subscription. It doesn't list any storage account created in the target subscription. To set up this scenario, use [Azure PowerShell](azure-to-azure-powershell.md).
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### Linux kernel support timelines
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To support newly released Linux kernels, Site Recovery provides hotfix patches of the mobility agent on top of the latest mobility agent version. These hotfixes are released on a *best-effort basis within 30 days* of the kernel release and apply only to *Azure to Azure disaster recovery scenarios*.
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To support newly released Linux kernels, Site Recovery provides hotfix patches of the mobility agent on top of the latest mobility agent version. These hotfixes are released on a *best-effort basis within 30 days* of the kernel release and apply only to *Azure-to-Azure disaster recovery scenarios*.
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>[!Note]
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>This isn't a service-level agreement. The 30-day support window on a *best-effort basis* applies only to specific scenarios as outlined in the following table.
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Write accelerator enabled disks | Not supported.
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Tags | Supported. | User-generated tags replicate every 24 hours.
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Soft delete | Not supported. | Soft delete isn't supported because after soft delete is enabled on a storage account, it increases cost. Site Recovery performs frequent creations and deletions of log files. Replicating causes costs to increase.
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iSCSI disks | Not supported. | You can use Site Recovery to migrate or fail over iSCSI disks into Azure. However, iSCSI disks aren't supported for Azure to Azure replication and failover/failback.
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iSCSI disks | Not supported. | You can use Site Recovery to migrate or fail over iSCSI disks into Azure. However, iSCSI disks aren't supported for Azure-to-Azure replication and failover/failback.
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Storage Replica | Not supported.
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>[!IMPORTANT]
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- These limits are based on our tests but don't cover all possible application I/O combinations.
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- Actual results can vary based on your app I/O mix.
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- There are two limits to consider: per-disk data churn and per-VM data churn.
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- The current limit for per-VM data churn is 54 MB/s regardless of size.
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- The current limit for per-VM data churn is 54 MBps regardless of size.
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Replica disk type | Average source disk I/O | Average source disk data churn | Total source disk data churn per day
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---|---|---|---
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Standard storage | 8 KB | 2 MB/s | 168 GB per disk
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Premium SSD with disk size 128 GiB or more | 8 KB | 2 MB/s | 168 GB per disk
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Premium SSD with disk size 128 GiB or more | 16 KB | 4 MB/s | 336 GB per disk
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Premium SSD with disk size 128 GiB or more | 32 KB or greater | 8 MB/s | 672 GB per disk
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Premium SSD with disk size 512 GiB or more | 8 KB | 5 MB/s | 421 GB per disk
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Premium SSD with disk size 512 GiB or more | 16 KB or greater |20 MB/s | 1,684 GB per disk
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High-churn support is now available in Site Recovery where churn limit per VM increased up to 100 MB/s. For more information, see [Azure VM disaster recovery: High-churn support](./concepts-azure-to-azure-high-churn-support.md).
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Standard storage | 8 KB | 2 MBps | 168 GB per disk
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Premium SSD with disk size 128 GiB or more | 8 KB | 2 MBps | 168 GB per disk
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Premium SSD with disk size 128 GiB or more | 16 KB | 4 MBps | 336 GB per disk
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Premium SSD with disk size 128 GiB or more | 32 KB or greater | 8 MBps | 672 GB per disk
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Premium SSD with disk size 512 GiB or more | 8 KB | 5 MBps | 421 GB per disk
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Premium SSD with disk size 512 GiB or more | 16 KB or greater |20 MBps | 1,684 GB per disk
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High-churn support is now available in Site Recovery where churn limit per VM increased up to 100 MBps. For more information, see [Azure VM disaster recovery: High-churn support](./concepts-azure-to-azure-high-churn-support.md).
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## <a name = "replicated-machines---networking"></a>Replicated machines: Networking
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