With Azure File Sync, we’ve introduced a very simple concept, the Sync Group, to help you manage the locations that should be kept in sync with each other. Instructions for installing the Azure File Sync Agent can be found in the Register/unregister a server with Azure File Syncarticle. * will all be set to expire together. To do this, you must domain join your storage account to your on-premises AD, just like how your Windows file servers are domain joined. We recommend using a cloud backup solution to back up the Azure file share directly. After the initial upload is complete, install Azure File Sync … For more information about encryption in transit, see requiring secure transfer in Azure storage. Server endpoints should not be configured on DFS-R read-only replication folders. You can also be creative as much as you want and cover multiple Azure File Shares / Sync Groups … Select the Azure Subscription, the Resource Group and the Sync Group to start the registration. This will simplify management when you have sync groups that contain multiple server endpoints, since a Windows Server can only be registered to one Storage Sync Service at a time. Premium storage accounts (FileStorage storage accounts) don't have the large file share feature flag as all premium file shares are already enabled for provisioning up to the full 100 TiB capacity. There are two main types of storage accounts you will use for Azure Files deployments: There are several other storage account types you may come across in the Azure portal, PowerShell, or CLI. Because data is encrypted beneath the Azure file share's file system, as it's encoded to disk, you don't have to have access to the underlying key on the client to read or write to the Azure file share. It is an agent which we need to install in on-premises windows server in order to enable sync with Azure file share. Removing a server endpoint is a destructive operation, and tiered files within the server endpoint will not be "reconnected" to their locations on the Azure file share after the server endpoint is recreated, which will result in sync errors. Even if the switch at the storage account level is disabled, meaning that unencrypted connections to your Azure file shares are possible, Azure File Sync will still only used encrypted channels to access your file share. When deploying Azure File Sync, we recommend: Deploying Azure file shares 1:1 with Windows file shares. Ensure that the server is connected to the internet and that Azure is accessible. We recommend keeping all servers that you use with Azure File Sync up to date with the latest updates from Windows Update. Transaction optimized file shares are available in all Azure regions, including Azure China and Azure Germany regions. Branch servers consolidate data onto a single hub server, for which you would like to use Azure File Sync. Files restored using the file-level restore option will be synced to all endpoints in the sync group and existing files will be replaced with the version restored from backup. You deploy an Azure File Sync Storage Sync Service, and you create a sync group. Before deploying Azure File Sync, you should evaluate whether it is compatible with your system using the Azure File Sync evaluation cmdlet. A server endpoint represents a specific location on a registered server, such as a folder on a server volume or the root of the volume. For most production workloads, we do not recommend configuring an Azure File Sync sync server with only the minimum requirements. A sync group must contain one cloud endpoint, which represents an Azure file share and one or more server endpoints. When you are ready, you can cut over end users to the file share on the new server and remove the old file share's server endpoint. While it's true that using a Data Box to ingest data into your Azure File Sync deployment will decrease bandwidth utilization, it will likely be faster for most scenarios to pursue an online data upload through one of the methods described above. The server endpoint object gives you a great degree of flexibility on how you set up the sync topology on the server-side of the sync relationship. Sync groups are deployed into Storage Sync Services, which are top-level objects that register servers for use with Azure File Sync and contain the sync group relationships. In versions 4.0 and above of the Azure File Sync agent, tiered files have the secure Windows attribute FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS set. Azure File Sync does not interoperate with NTFS Encrypted File System (NTFS EFS) or third-party encryption solutions that sit above the file system but below the file's data stream. Windows Server 2016 and Windows Server 2019 This isn't required but, may speed up initial sync. Major agent versions are supported for at least six months from the date of initial release. To provide encryption beneath the file system, Windows Server provides BitLocker inbox. Enabling Data Deduplication on a volume with cloud tiering enabled lets you cache more files on-premises without provisioning more storage. This is a strictly optional step that allows the Azure file share to enforce on-premises ACLs when users mount the Azure file share directly. Azure File Sync allows you to centralize your organization's file shares in Azure Files without giving up the flexibility, performance, and compatibility of an on-premises file server. In the Azure Portal, search for "Azure File Sync", select it from the results and . Azure File Sync is a Microsoft feature released in July 2018. There are two strategies for encrypting data on Windows Server that work generally with Azure File Sync: encryption beneath the file system such that the file system and all of the data written to it is encrypted, and encryption within the file format itself. Warnings are issued for registered servers using a soon-to-be expired agent at least three months prior to expiration. If cloud tiering is enabled on a server endpoint, files that are tiered are skipped and not indexed by Windows Search. When using Azure copy tools, such as AzCopy, it is important to use the latest version. Depending on the requirements of your workload, you can select additional degrees of redundancy. Standard file shares with 100 TiB capacity have certain limitations. You will click No because of this. Because Azure file shares are serverless, deploying for production scenarios does not require managing a file server or NAS device. Box 3: Yes Yes, one or more server endpoints can be added to the sync group… If you add an Azure file … Admittedly, we are throwing a lot of files and shares up as a test. The Storage Sync Service resource is a peer of the storage account resource, and can similarly be deployed to Azure resource groups. Open the Azure File Sync resource in Microsoft Azure portal, click on Sync groups, and to start the creation of a new one click on + Sync Group button located at the top of the new blade on the … You can provision Azure file shares in storage accounts with these options set, however Azure Files does not support reading from the secondary region. For higher levels of churn, consider adding more CPU. Most of the time, when customers want to use Data Box to ingest data, they do so because they think it will increase the speed of their deployment or because it will help with constrained bandwidth scenarios. With customer-managed keys, you can revoke this authorization at any time, but this means that your Azure file share will no longer be accessible via SMB or the FileREST API. With agent version 6, the file sync team has introduced an agent auto-upgrade feature. Example: If the MinimumFileAgeDays setting is seven days and cloud tiering date policy is 30 days, the date policy will tier files after 37 days. Azure File Sync service regions added after 5/1/2020 will only support TLS1.2 and support for TLS1.0 and 1.1 will be removed from existing regions on August 1st, 2020. Azure File Sync is supported with the following versions of Windows Server: Future versions of Windows Server will be added as they are released. Let sync do the full upload to the Azure file share (cloud endpoint). For Azure File Sync, scale is determined by the number of objects across the server endpoints and the churn on the dataset. Check the file copy tools table to get an overview of Azure copy tools to ensure you can copy all of the important metadata of a file such as timestamps and ACLs. Make use of Azure Files and Azure Networking features such as service endpoints and private endpoints. For example, when agent version 3.0 is released, agent versions 2. Navigate to the Storage Sync Service where your server is registered. To simplify management, make the path of the server endpoint match the path of the Windows file share. This means you don't have to apply software patches or swap out physical disks. We use port 443 for all communication between the server and our service. To learn more about how to create file shares on new storage accounts, see creating an Azure file share. *Syncing more than 100 million files & directories is not recommended at this time. This feature is designed to help you with the agent lifecycle management by either providing a guardrail preventing your agent from expiration or allowing for a no-hassle, stay current setting. Domain joining your storage account to Active Directory is not required to successfully deploy Azure File Sync. Initial synchronization of a namespace is an intensive operation and we recommend allocating more memory until initial synchronization is complete. Ensure that a sync group has been deployed. For more information, see. We recommend consulting with your software vendor to learn how to configure their solution to skip reading files with this attribute set (many do it automatically). Microsoft's in-house antivirus solutions, Windows Defender and System Center Endpoint Protection (SCEP), both automatically skip reading files that have this attribute set. In the event of a disaster where you would like to initiate a manual failover of storage, you will need to open up a support case with Microsoft to get Azure File Sync to resume sync with the secondary endpoint. Azure File Sync does not send unencrypted requests over HTTP. A server endpoint represents a path on a registered server. Create a server endpoint only on the new file server, and copy data into from the old file share using robocopy. You can use any protocol available on Windows Server to access your data locally (including SMB, NFS, and FTPS) and you can have as many caches as you need across the world. The Azure File Sync agent communicates with your Storage Sync Service and Azure file share using the Azure File Sync REST protocol and the FileREST protocol, both of which always use HTTPS over port 443. We recommend you configure Microsoft Update to get updates for the Azure File Sync agent as they're available. Also note, tiered files that exist outside of the server endpoint namespace may be permanently lost. Sparse files sync (are not blocked), but they sync to the cloud as a full file. All supported Azure File Sync agent versions already use TLS1.2 by default. Using an earlier version of TLS could occur if TLS1.2 was disabled on your server or a proxy is used. For more information, see Azure Files scalability and performance targets. Direct attached storage, or DAS, on Windows Server means that the Windows Server operating system owns the file system. The process is outlined in this document. If you have an existing Windows file server, Azure File Sync can be directly installed in place, without the need to move data over to a new server. When performing a restore, use the volume-level or file-level restore options. If your file sizes are smaller, consider adding additional memory for the same amount of capacity. The files within a namespace of a sync group will now be kept in sync. Throttle network activity from Azure File Sync. ACLs can also be enforced when directly mounting the Azure file share, however this requires additional configuration. To change the current policy setting to the delayed update track, you can use: To change the current policy setting to the immediate update track, you can use: Azure File Sync is a cloud service, which continuously introduces new features and improvements. Box 2: Yes Yes, one or more server endpoints can be added to the sync group. Because antivirus works by scanning files for known malicious code, an antivirus product might cause the recall of tiered files, resulting in high egress charges. This pool of storage can be used to deploy multiple file shares, as well as other storage resources such as blob containers, queues, or tables. The server has the Azure File Sync agent installed and has been registered. To register a Storage Sync Service, you must first install the Azure File Sync agent on the server. Paying attention to a storage account's IOPS limitations when deploying Azure file shares. For example, classification tags created by the File Classification Infrastructure are not synced. This is a soft limit based on our tested thresholds. DAS can be provided through physically attaching disks to the file server, attaching virtual disks to a file server VM (such as a VM hosted by Hyper-V), or even through ISCSI. 3. By default, data stored in Azure Files is encrypted with Microsoft-managed keys. With Microsoft-managed keys, Microsoft holds the keys to encrypt/decrypt the data, and is responsible for rotating them on a regular basis. It does this by transforming your Windows Servers into a quick cache of your Azure file share. There are however several scenarios where you would want to use DFS-R and Azure File Sync together: For Azure File Sync and DFS-R to work side by side: For more information, see DFS Replication overview. A single server can have server endpoints in multiple sync groups and the number of objects listed in the following table accounts for the full namespace that a server is attached to. Azure file shares deployed into read-accessible geo- or geo-zone redundant storage accounts will be billed as geo-redundant or geo-zone-redundant storage, respectively. In July 2018, Microsoft announced the GA release for Azure File Sync.With Azure File Sync, you can centralize your files in Azure and then install storage sync agent on a Windows Server whether it’s on-premises or in Azure to provide fast local access to your files. **, Minor agent versions are also called "patches" and are released more frequently than major versions. Every agent released is at GA quality. An individual server or cluster can be registered with only one Storage Sync Service at a time. For that example deployment, we would recommend 8 CPUs, 16 GiB of memory for steady state, and (if possible) 48 GiB of memory for the initial migration. Once you have enabled the large file share feature flag, you can't change the redundancy level to geo-redundant or geo-zone-redundant storage. All data stored in Azure Files is encrypted at rest using Azure storage service encryption (SSE). For more information, see the current limits for an Azure file share. Create a Sync Group While on your Azure Files services in the Azure portal, click on Sync groups. You can select either of two modes and specify a maintenance window in which the upgrade shall be attempted on the server. Every Sync Group has one cloud endpoint , which represents an Azure File … The following information is required under Add server endpoint: Select Create to add the server endpoint. Azure storage accounts contain a switch for requiring encryption in transit, which is enabled by default. See Recommended system resources for more information. It does this by transforming your Windows Servers into a quick cache of your Azure file … Updated – 22/04/2019 – Monitor Azure File Sync with Azure Monitor is GA. Introduction. Under Sync Group 2 - I see "Error" under Health, and it reports: The sync session was cancelled. They often contain bug fixes and smaller improvements but no new features. The primary reason to use an encryption mechanism like AIP/RMS is to prevent data exfiltration of data from your file share by people copying it to alternate locations, like to a flash drive, or emailing it to an unauthorized person. In this example, I will create a Runbook to detect and check the files and directories changes in a specific Sync Group Name, and in a specific Cloud Endpoint Name. You can invoke the evaluation tool in a few different ways: you can perform the system checks, the dataset checks, or both. Every Sync Group has one cloud endpoint, which … To create a server endpoint, you must first ensure that the following criteria are met: 1. For example, server endpoint A with 10 million objects + server endpoint B with 10 million objects = 20 million objects. Namespace data is stored in memory for performance reasons. With Version 9 of the Azure File Sync agent, VSS snapshots (including Previous Versions tab) are now supported on volumes which have cloud tiering enabled. To enable the sync capability on Windows Server, you must install the Azure File Sync downloadable agent. Encryption at rest applies to both the SMB and NFS protocols. The Azure File Sync agent must be installed on every node in a Failover Cluster for sync to work correctly. Antivirus vendors can check compatibility between their product and Azure File Sync using the Azure File Sync Antivirus Compatibility Test Suite, which is available for download on the Microsoft Download Center. This article introduces you to Azure File Sync concepts and features. Bare-metal (BMR) restore can cause unexpected results and is not currently supported. Its checks cover most but not all of the features mentioned below; we recommend you read through the rest of this section carefully to ensure your deployment goes smoothly. If you add a server location with an existing set of files as a server endpoint to a sync group, those files will be merged with any other files already on other endpoints in the sync group. - [Narrator] We are going to build…the Azure File Sync Service,…and the first thing we need to do…is create the service itself.…To do so, from the Marketplace,…I'm going to search for file…and then select Azure File Sync.…We have some information about Azure File Sync.…And then select create.…I am now going to provide a name,…choose the subscription, the resource group… A sync group must contain one cloud endpoint, which represents an Azure file share and one or more server endpoints. Azure File Sync agent communicates with your Storage Sync Service and Azure file share using the Azure File Sync REST protocol and the FileREST protocol, both of which always use HTTPS over port 443. Go back to the Azure Portal, then the Storage Sync Service and the Sync Group. If Data Deduplication is enabled on a volume, cloud tiering must be disabled. Agent installation and server registration should occur after deploying the server image and completing sysprep mini-setup. With Azure File Sync, we’ve introduced a very simple concept, the Sync Group, to help you manage the locations that should be kept in sync with each other. Depending on the backup solution used, tiered files will either be skipped and not backed up (because they have the FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS attribute set), or they will be recalled to disk, resulting in high egress charges. If the file contents change in the cloud (or on another server), the file is no longer sparse when the change is downloaded. Even though changes made directly to the Azure file share will take longer to sync to the server endpoints in the sync group, you may also want to ensure that you can enforce your AD permissions on your file share directly in the cloud as well. Currently, only locally redundant storage (LRS) and zone redundant storage (ZRS) accounts are supported. In the following table, we have provided both the size of the namespace as well as a conversion to capacity for typical general purpose file shares, where the average file size is 512 KiB. If you are planning to migrate to a new Windows file server as a part of adopting Azure File Sync, there are several possible approaches to move data over: Create server endpoints for your old file share and your new file share and let Azure File Sync synchronize the data between the server endpoints. Date policy will skip tiering of files that may have been otherwise eligible for tiering due to the Deduplication optimization job accessing the files. NOTE: DFS-R and Azure File Sync can co-exist, the use case for this is for migrating from DFS-R to Azure Files… Remove the server endpoint you desire in the sync group in the Storage Sync Service. If Data Deduplication is enabled on a volume after cloud tiering is enabled, the initial Deduplication optimization job will optimize files on the volume that are not already tiered and will have the following impact on cloud tiering: For ongoing Deduplication optimization jobs, cloud tiering with date policy will get delayed by the Data Deduplication MinimumFileAgeDays setting, if the file is not already tiered. Azure Files uses the same encryption scheme as the other Azure storage services such as Azure Blob storage. With two servers’ part of the same sync group we are using Azure File Sync to keep both servers synchronized. Ensure that a Storage Sync Service has been deployed. We strongly recommend ensuring encryption of data in-transit is enabled. It includes three components, 1. Azure File Sync use a Storage Account to save all data, so if you don’t have a repository … You can also choose to manage your own keys, which gives you control over the rotation process. Ideally, you would map file shares 1:1 with storage accounts, however this may not always be possible due to various limits and restrictions, both from your organization and from Azure. Azure File Sync cloud tiering must be disabled on volumes with DFS-R replicated folders. Direct mount of an Azure file share: Since Azure Files provides SMB access, you can mount Azure file shares on-premises or in the cloud using the standard SMB client available in Windows, macOS, and Linux. If the legacy application talks to the Windows Server cache of the file share, toggling this setting will have no effect. To enable large file shares on an existing storage account, navigate to the Configuration view in the storage account's table of contents, and switch the large file share rocker switch to enabled: You can also enable 100 TiB file shares through the Set-AzStorageAccount PowerShell cmdlet and the az storage account update Azure CLI command. A common mistake customers make when migrating data into their new Azure File Sync deployment is to copy data directly into the Azure file share, rather than on their Windows file servers. SMB is never used to upload or download data between your Windows Server and the Azure file share. Third-party products that work similarly to BitLocker, in that they sit beneath the NTFS volume, should similarly work fully transparently with Azure File Sync. Do not attempt to troubleshoot issues with sync, cloud tiering, or any other aspect of Azure File Sync by removing and recreating the server endpoint unless explicitly instructed to by a Microsoft engineer. Using sysprep on a server that has the Azure File Sync agent installed is not supported and can lead to unexpected results. DFS Namespaces (DFS-N): Azure File Sync is fully supported on DFS-N servers. The following table shows the interop state of NTFS file system features: Azure File Sync will also skip certain temporary files and system folders: Windows Server Failover Clustering is supported by Azure File Sync for the "File Server for general use" deployment option. Once the Dedup optimized files have been tiered, the Data Deduplication garbage collection job will run automatically to reclaim disk space by removing unnecessary chunks that are no longer referenced by other files on the volume. Just like any server feature or application, the system resource requirements for Azure File Sync are determined by the scale of the deployment; larger deployments on a server require greater system resources. An example of a method for encrypting the file's data stream is Azure Information Protection (AIP)/Azure Rights Management Services (Azure RMS)/Active Directory RMS. Azure File Sync supports interop with DFS Namespaces (DFS-N) and DFS Replication (DFS-R). Tunnel sync and file upload/download traffic over your ExpressRoute or Azure VPN. Windows Server 2012 R2 To ensure that all tiered files are recalled before removing the server endpoint, disable cloud tiering on the server endpoint, and then execute the following PowerShell cmdlet to recall all tiered files within your server endpoint namespace: Specifying -Order CloudTieringPolicy will recall the most recently modified files first. By default, standard file shares can span only up to 5 TiB, although the share limit can be increased to 100 TiB. Note the Azure file share name … Install the Azure File Sync agent and restart the server. In order to sync with an Azure file share, the storage account containing the Azure file share must be in the same Azure region as the Storage Sync Service. Mount points might be the root of a server endpoint, but they are skipped if they are contained in a server endpoint's namespace. For example: **.3. See the. Configure Azure File Sync to support your proxy in your environment. A server can have server … Download the Azure File Sync agent for the new server operating system version (Windows Server 2016 or Windows Server 2019). Multiple server endpoints can exist on the same volume if their namespaces are not overlapping (for example, F:\sync1 and F:\sync2) and each endpoint is syncing to a unique sync group. To see the current limits for a storage account, see Azure Files scalability and performance targets. If the server is running in a virtual machine with dynamic memory enabled, the VM should be configured with a minimum of 2048 MiB of memory. We recommend that you do not do this outside of a disaster when you are using Azure File Sync because of the increased likelihood of data loss. Azure File Sync requires a server, either physical or virtual, with at least one CPU and a minimum of 2 GiB of memory. When you are using Azure File Sync, the general expectation is that most accesses go through the Azure File Sync caching servers, rather than through the Azure file share. Use as few Storage Sync Services as possible. This creates a registered server object, which represents a trust relationship between your server or cluster and the Storage Sync Service.
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