Veeam Refs Ram. May 5, 2020 · Go for 64k instead. Apr 13, 2017 · There have be

May 5, 2020 · Go for 64k instead. Apr 13, 2017 · There have been reports of issues that users have run into after incorporating ReFS repositories with Veeam Backup and Replication. Jul 14, 2025 · The VM would be unreachable/unusable until after a cold restart. I upgraded a physical Dell R730XD from Server 2019 to Server 2025. Especially with the ressources management (RAM and CPU). 5. Now ReFS seems to mess everything up. Has anybody encountered something like this? Jun 2, 2023 · A big consideration though is that ReFS is RAM hungry. It may take a bit but you should see free space slowly showing up on your drive. My primary drive is a 4TB NVMe SSD (NTFS / backup source) and my backup drive is a 4TB USB 3. Mar 23, 2018 · Veeam Community discussions and solutions for: ReFS 2019 system requirements of Veeam Backup & Replication Jan 27, 2025 · Are you using ReFS? Gostev (Veeam) confirmed that MS have a bug that's affecting Veeam installs using it on 2025 (high CPU/RAM) and MS are working on a fix currently Steve Aug 24, 2018 · Veeam Community discussions and solutions for: REFS issues (server lockups, high CPU, high RAM) of Veeam Backup & Replication May 19, 2021 · Veeam Community discussions and solutions for: Health check on large backups of Veeam Backup & Replication Specs for Veeam Backup Server What do you think are good specs for a Veeam server? Nothing like the recommendations from Veeam (i. Note The information on this page is valid as of the date of the last page update. 3. Apr 13, 2017 · This post may assist you. 5 GB of RAM per TB of veeam repository. e. If you are currently using ReFS with 4K blocks and/or are running into issues with you Veeam repository locking up during synthetic operations, apply the patch + corresponding registry See full list on bp. 177. 5 and Microsoft ReFS integration,leverage APIs from Microsoft. Jun 29, 2017 · In this post we'll have a look at some Veeam And ReFS Best Practices and Benefits. If I kept all veeam services offno issues. Also we'll look on backup some job properties for ReFS Jul 4, 2019 · Veeam Community discussions and solutions for: Questions about storage usage under ReFS of Veeam Backup & Replication Discusses memory pressure and performance issues that occur in the Resilient File System (ReFS) in Windows. 0 SSD (ReFS / backup target). veeam. As a result, the ReFS volume will become unreadable by the replica's Guest OS because the new ReFS version exceeds the compatibility of the Guest OS. Then the Jun 26, 2017 · Veeam 9. 5GB of RAM per 1TB of ReFS file system. Sep 14, 2018 · been following the ReFS thread for a while now, and wondering if anyone is rolling out 2025 Server as a new Hyper-V host (with ReFS veeam working drives) yet? I'm still sticking with 2022 for DCs, but have been using 2025 for file servers. Nov 6, 2018 · If the replica's Guest OS is older than the Veeam Backup Server and the replica has an ReFS volume, the Veeam Backup Server's OS will automatically update the ReFS volume version. Backup Aug 23, 2017 · Veeam Community discussions and solutions for: REFS issues (server lockups, high CPU, high RAM) of Veeam Backup & Replication Mar 5, 2019 · Veeam Community discussions and solutions for: Windows 2019, large REFS and deletes of Veeam Backup & Replication Nov 28, 2018 · Veeam Community discussions and solutions for: ReFS - reclaim space on array? of Veeam Backup & Replication Jul 7, 2025 · [German]In Windows Server 2025, there is a problem that ReFS-formed disks lead to high CPU/RAM utilization, so that the server becomes unusable over time and has to be restarted. Here's how! Jul 8, 2025 · The Emergence of the ReFS High CPU/RAM Utilization Bug Reports began circulating in Q2 2025 of a “nasty bug” affecting Windows Server 2025 installations utilizing ReFS-formatted volumes. I'm hoping to have a dedicated volume for Veeam backups and would like to use smartclone to make our full backups quicker etc. Sep 22, 2017 · Veeam Community discussions and solutions for: REFS issues (server lockups, high CPU, high RAM) of Veeam Backup & Replication Jul 8, 2025 · The Emergence of the ReFS High CPU/RAM Utilization Bug Reports began circulating in Q2 2025 of a “nasty bug” affecting Windows Server 2025 installations utilizing ReFS-formatted volumes. Provides a resolution and workarounds. But here's the thing: the Windows installable version received substantial upgrades that address real operational challenges. In this paper, the ReFS configuration will be outlined as well as how to set up backups and other job types to leverage this storage efficiency and the performance improvements. This is better in 2019/2022 vs 2016 and the BP guidance does state no need to go above 256GB RAM but you’ll certainly need some RAM to feed these things. But relax – in the many installations I take care of and in our own Veeam cloud provider repository ReFS runs as expected and without issues.

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