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Copy file name to clipboardExpand all lines: articles/azure-netapp-files/azacsnap-cmd-ref-restore.md
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@@ -12,7 +12,7 @@ ms.service: azure-netapp-files
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ms.workload: storage
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ms.tgt_pltfrm: na
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ms.topic: reference
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ms.date: 04/21/2021
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ms.date: 09/04/2022
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ms.author: phjensen
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---
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@@ -42,7 +42,7 @@ The `-c restore` command has the following options:
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## Perform a test DR failover `azacsnap -c restore --restore snaptovol`
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This command is like the "full" DR Failover command (`--restore restorevolume`), but rather than breaking the replication between the primary site and the disaster recovery site, a clone volume is created out of the disaster recovery volumes, allowing the restoration of the most recent snapshot in the DR site. Those cloned volumes are then usable by the customer to test Disaster Recovery without having to
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This command is like the "full" DR Failover command (`--restore revertvolume`), but rather than breaking the replication between the primary site and the disaster recovery site, a clone volume is created out of the disaster recovery volumes, allowing the restoration of the most recent snapshot in the DR site. Those cloned volumes are then usable by the customer to test Disaster Recovery without having to
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execute a complete failover of their HANA environment that breaks the replication agreement between the primary site and the disaster recovery site.
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- Multiple different restore points can be tested in this way,
Copy file name to clipboardExpand all lines: articles/update-center/manage-vms-programmatically.md
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|`maximumDuration`| Maximum amount of time that the operation runs. It must be an ISO 8601-compliant duration string such as `PT4H` (4 hours). |
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|`rebootSetting`| Flag to state if machine should be rebooted if Guest OS update installation requires it for completion. Acceptable values are: `IfRequired, NeverReboot, AlwaysReboot`. |
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|`windowsParameters`| Parameter options for Guest OS update on Azure VMs running a supported Microsoft Windows Server operating system. |
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|`windowsParameters - classificationsToInclude`| List of categories/classifications to be used for selecting the updates to be installed on the machine. Acceptable values are: `Critical, Security, UpdateRollUp, FeaturePack, ServicePack, Definition, Tools, Update`|
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|`windowsParameters - classificationsToInclude`| List of categories/classifications to be used for selecting the updates to be installed on the machine. Acceptable values are: `Critical, Security, UpdateRollUp, FeaturePack, ServicePack, Definition, Tools, Updates`|
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|`windowsParameters - kbNumbersToInclude`| List of Windows Update KB Ids that should be installed. All updates belonging to the classifications provided in `classificationsToInclude` list will be installed. `kbNumbersToInclude` is an optional list of specific KBs to be installed in addition to the classifications. For example: `1234`|
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|`windowsParameters - kbNumbersToExclude`| List of Windows Update KB Ids that should **not** be installed. This parameter overrides `windowsParameters - classificationsToInclude`, meaning a Windows Update KB Id specified here will not be installed even if it belongs to the classification provided under `classificationsToInclude` parameter. |
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|`linuxParameters`| Parameter options for Guest OS update on Azure VMs running a supported Linux server operating system. |
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|`linuxParameters - classificationsToInclude`| List of categories/classifications to be used for selecting the updates to be installed on the machine. Acceptable values are: `Critical, Security, Others`|
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|`linuxParameters - classificationsToInclude`| List of categories/classifications to be used for selecting the updates to be installed on the machine. Acceptable values are: `Critical, Security, Other`|
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|`linuxParameters - packageNameMasksToInclude`| List of Linux packages that should be installed. All updates belonging to the classifications provided in `classificationsToInclude` list will be installed. `packageNameMasksToInclude` is an optional list of package names to be installed in addition to the classifications. For example: `mysql, libc=1.0.1.1, kernel*`|
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|`linuxParameters - packageNameMasksToExclude`| List of updates that should **not** be installed. This parameter overrides `linuxParameters - packageNameMasksToExclude`, meaning a package specified here will not be installed even if it belongs to the classification provided under `classificationsToInclude` parameter. |
Copy file name to clipboardExpand all lines: articles/virtual-machines/ephemeral-os-disks.md
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@@ -57,10 +57,10 @@ The image OS disk’s size should be less than or equal to the temp/cache size o
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For example, if you want to opt for **OS cache placement**: Standard Windows Server images from the marketplace are about 127 GiB, which means that you need a VM size that has a cache equal to or larger than 127 GiB. The Standard_DS3_v2 has a cache size of 127 GiB, which is large enough. In this case, the Standard_DS3_v2 is the smallest size in the DSv2 series that you can use with this image.
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If you want to opt for **Temp disk placement**: Standard Ubuntu server image from marketplace is about 30 GiB. To enable Ephemeral OS disk on temp, the temp disk size must be equal to or larger than 30 GiB. Standard_B4ms has a temp size of 32 GiB, which can fit the 30 GiB OS disk. Upon creation of the VM, the temp disk space would be 2 GiB.
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> [!Important]
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> [!IMPORTANT]
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> If opting for temp disk placement the Final Temp disk size = (Initial temp disk size - OS image size).
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In the case of **Temp disk placement** as Ephemeral OS disk is placed on temp disk it will share the IOPS with temp disk as per the VM size chosen by you.
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In the case of **Temp disk placement**, as Ephemeral OS disk is placed on temp disk it will share the IOPS with temp disk as per the VM size chosen by you.
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Basic Linux and Windows Server images in the Marketplace that are denoted by `[smallsize]` tend to be around 30 GiB and can use most of the available VM sizes.
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Ephemeral disks also require that the VM size supports **Premium storage**. The sizes usually (but not always) have an `s` in the name, like DSv2 and EsV3. For more information, see [Azure VM sizes](sizes.md) for details around which sizes support Premium storage.
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This is because the temp storage for [Standard_DS4_v2](dv2-dsv2-series.md) is 56 GiB, and 1 GiB is reserved for VMGS when using trusted launch.
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For the same example above, if you create a standard Ephemeral OS disk VM you would not get any errors and it would be a successful operation.
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> [!Important]
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> [!IMPORTANT]
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> While using ephemeral disks for Trusted Launch VMs, keys and secrets generated or sealed by the vTPM after VM creation may not be persisted for operations like reimaging and platform events like service healing.
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AMD-based Confidential VMs cater to high security and confidentiality requirements of customers. These VMs provide a strong, hardware-enforced boundary to help meet your security needs. There are limitations to use Confidential VMs. Check the [region](../confidential-computing/confidential-vm-overview.md#regions), [size](../confidential-computing/confidential-vm-overview.md#size-support) and [OS supported](../confidential-computing/confidential-vm-overview.md#os-support) limitations for confidential VMs.
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Virtual machine guest state (VMGS) blob contains the security information of the confidential VM.
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Confidential VMs using Ephemeral OS disks by default **1 GiB** from the **OS cache** or **temp storage** based on the chosen placement option is reserved for VMGS.The lifecycle of the VMGS blob is tied to that of the OS Disk.
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> [!Important]
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> [!IMPORTANT]
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> When choosing a confidential VM with full OS disk encryption before VM deployment that uses a customer-managed key (CMK). [Updating a CMK key version](../storage/common/customer-managed-keys-overview.md#update-the-key-version) or [key rotation](../key-vault/keys/how-to-configure-key-rotation.md) is not supported with Ephemeral OS disk. Confidential VMs using Ephemeral OS disks need to be deleted before updating or rotating the keys and can be re-created subsequently.
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For more information on [confidential VM](../confidential-computing/confidential-vm-overview.md)
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## Customer Managed key (preview)
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You can choose to use customer managed keys or platform managed keys when you enable end-to-end encryption for VMs using Ephemeral OS disk. Currently this option is available only via [PowerShell](./windows/disks-enable-customer-managed-keys-powershell.md), [CLI](./linux/disks-enable-customer-managed-keys-cli.md) and SDK in all regions.
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> [!IMPORTANT]
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>
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> [Updating a CMK key version](../storage/common/customer-managed-keys-overview.md#update-the-key-version) or [key rotation](../key-vault/keys/how-to-configure-key-rotation.md) of customer managed key is not supported with Ephemeral OS disk. VMs using Ephemeral OS disks need to be deleted before updating or rotating the keys and can be re-created subsequently.
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For more information on [Encryption at host](./disk-encryption.md)
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## Next steps
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Create a VM with ephemeral OS disk using [Azure Portal/CLI/Powershell/ARM template](ephemeral-os-disks-deploy.md).
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Create a VM with ephemeral OS disk using [Azure Portal/CLI/PowerShell/ARM template](ephemeral-os-disks-deploy.md).
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Check out the [frequently asked questions on ephemeral os disk](ephemeral-os-disks-faq.md).
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