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24.07.2012 · Veeam Windows agent for server has CBT for ReFS which would be necessary for repeated backups. It'd be nice to having something that pulls the image, we're pondering ways to get an offline copy of our long-term (12mo+, 26TB atm) backup copy repository that's updated once a week, both for cryptolocker recovery and in case the whole server dies in a fire for some …

Veeam Community discussions and solutions for: Best practice for a ReFS repository. of Veeam Backup & Replication.

01.10.2021 · A backup repository is a storage location where Veeam keeps backup files, VM copies and metadata for replicated VMs. To configure a backup repository, you can use the following storage types: Direct attached storage. You can add virtual and physical servers as backup repositories: Microsoft Windows server. Linux server. Network attached storage.

Never use any shared LUN concept with ReFS and a Veeam Repository; Check the existing driver version of ReFS: The minimum should be ReFS.sys 10.0.14393.2457 on Windows Server 2016. The minimum should be ReFS.sys 10.0.17763.1369 on Windows Server 2019. General recommendation: fully patched with the most recent Windows Updates.

14.01.2019 · I'd been advised by a partner organisation that ReFS is now 'their standard filesystem for Veeam deployments'. So I advised one of my clients do to the same when they were recently building a new Veeam server (50+ TB storage, Windows 2016). Initially we found a noticeable improvement in backup speeds (write operations, fast-clone natively ...

Veeam Community discussions and solutions for: ReFS repository slower than NTFS repository of VMware vSphere.

Jun 17, 2021 · If you format your backup repository with ReFS and XFS you can benefit from advanced features like fast cloning or spaceless full backups. This means if you configure your job to use synthetic full backups, those will be created much faster then compared to non ReFS/XFS file systems and take less space on disk (only the delta/differences compared to your initial full backup).

we are taking our semi-retired EQL 6100 and dedicating it for use as a Veeam repository. we created 9 TB volume, and when we go in Veeam Backup and Replication to add this as a repository it says "the file system on specified volume does not support fast cloning. we recommend using ReFS volume formatted with 64 kb cluster size".

Oct 05, 2018 · -Installing Veeam console on (WS2019)-Installing components (proxy, repository, WAN Accelerator, etc.) on-Hyper-V 2019 for backup & replicas-Guest VMs on VMware and Hyper-V backing up and replicating-REFS as you indicate as well is a scenario to check thru Theses are just some of the situations off the top of my head.

Jul 23, 2011 · 2. No. Once you create a repository on that ReFS lun, veeam will detect it and use it if possible. 3. Yes, and no. Yes: All patches applied, enough RAM/CPU to the server and not petabytes of data. Microsoft is still working on some fixes that will come but no idea when. The major issues however seem to be gone.

06.11.2018 · Backup job retention processing on ReFS-based backup repositories leads to following issues: Repository server becomes unresponsive or crashes.I/O performance on the server is reduced significantly.Th

Mar 17, 2017 · Now you can start doing backups to the new ReFS partition and when a synthetic full occurs, you should have it go much faster. Using a new ReFS based repository You need to have Veeam recognize that ReFS based repository, and as a result of that it will write out to it with that knowledge.

If you target a backup job to a CIFS ReFS repository and enable Windows data deduplication, the job will fail. Veeam Backup & Replication ...

In general, for our NAS backup NTFS or ReFS makes no difference. Also, built-in dedupe in Windows is a shared engine between NTFS and ReFS.

I rebuilt one of our Veeam repositories with 2019/ReFS, leaving all the others on 2016/ReFS. Both are fully patched, on the same hardware ...

17.03.2017 · So I think any and all Veeam customers – who are using a Windows hosted repository – should have it hosted on a ReFS volume – BTW, you don’t to upgrade your domain, all you need is one server running Win2K16. But, depending on how you do ReFS with Veeam it can produce the results we want or not.

Read this white paper and learn how to configure a Veeam repository to leverage ReFS and how to measure storage efficiency.

20.03.2017 · Today, when using NTFS repository and when Veeam creates a synthetic full backup, it has to copy bits around to create a new synthetic full backup file with incrementals merged into this. With ReFS as a backup repository, things are different as Veeam is able to leverage APIs provided by Microsoft and only change pointers referencing to actual data, …

When adding a 'Backup Repository' to Veeam you may see, popups / recommendations about using ReFS volumes with 64 KB blocks.

ReFS · Format the volume with 64KB block size · Configure 256 KB block size on LUNs (Storage or RAID controller) · Never bring linked clone space savings into your ...

Forever forward incremental with a 30 day retention · Backup file health check once a month · Removed deleted items after 14 days and defragment/ ...

Jan 24, 2017 · ReFS 3.1 in fact supports two different cluster sizes: 4KB and 64KB. Too long, don’t read: go for 64KB whenever you want to use ReFS as a Veeam repository. If you also want to know why we are suggesting this cluster size, and how to check and modify this parameter, keep reading.

Nov 06, 2018 · Backup job retention processing on ReFS-based backup repositories leads to following issues: Repository server becomes unresponsive or crashes.I/O performance on the server is reduced significantly.Th

24.01.2017 · ReFS 3.1 in fact supports two different cluster sizes: 4KB and 64KB. Too long, don’t read: go for 64KB whenever you want to use ReFS as a Veeam repository. If you also want to know why we are suggesting this cluster size, and how …

Always use 64 KB block allocation size. For ReFS based file systems the recommendation is to add 0.5 GB RAM per TB of ReFS storage. However, you don't have to ...

22.07.2011 · 2. No. Once you create a repository on that ReFS lun, veeam will detect it and use it if possible. 3. Yes, and no. Yes: All patches applied, enough RAM/CPU to the server and not petabytes of data. Microsoft is still working on some fixes that will come but no idea when. The major issues however seem to be gone.