Veeam deduplication 1) Is it true that ReFS will provide the same deduplication with encrypted VBKs but NTFS will never see the same blocks? 2) Why is server 3 seeing such poor file system deduplication. The main goal of these techniques is to strike the correct balance between the amount of data read and transferred during backup as well as what is stored on the backup target while providing Global Data Deduplication Deduplicate data across backup files produced by different backup jobs Veeam uses per-job deduplication, but space savings isn’t the only consideration when choosing which VMs go into a job. For instance, the new copy mode for a BCJ in v10 can only be used when creating a new job which then creates a new chain and would offload to a new folder - so no deduplication would take place. Before You Begin; Step 1. I could imagine why the decision has been made but finally it's a big stumbling block from time to time. 6/5 based on 1652 reviews as of Apr 19, 2024 in Enterprise Backup and Recovery Software Solutions. Veeam recommends that the MinimumFileSize value be set to prevent Microsoft Data Deduplication from causing file locks on smaller metadata (vbm,vacm,vasm) files associated with restore point creation. And with Quantum’s recent announcement Oct 25, 2013 · I just started testing a new Veeam environment where for the first time I’m using a Windows ReFS formatted repository. To disable data deduplication, clear the Enable inline data deduplication check Dec 21, 2023 · Veeam Community discussions and 12 monthly and 7 yearly backups as it will grow massively out of control without single instancing / deduplication of blocks. For example, a full backup of a Veeam’s default block size is set to 1MB before compression. Veeam Proxy Server, a component which processes the data and pushes it from source to target, analyzes VM data blocks on the fly, calculates a unique hash for those blocks and saves identical blocks into the backup Jan 26, 2023 · However, with inline deduplication enabled Veeam would identify and remove duplicate data before creating the backup: in fact if file server contaisn multiple copies of the same file or multiple versions of the same file that have been modified slightly, Veeam's inline deduplication feature would identify these duplicate files and “remove Global Data Deduplication Deduplicate data across backup files produced by different backup jobs Veeam uses per-job deduplication, but space savings isn’t the only consideration when choosing which VMs go into a job. 5 Update 4 is says: Added experimental support for block cloning on deduplicated files for Windows Server 2019 ReFS. I am testing with the deduplication part and things are not working as I would expect them to. Why? This is incremental backups: Name Data_size Deduplication Compression VMs 45,7 GB 1,2x 2,8x VMs 38,6 Gb 1,1x 2,7x VMs 109 Gb 1,4x 1,6x Why the deduplication and compression different every day and not equal? Mar 21, 2025 · There is a requirement for high performance with Veeam features that create random I/O like Instant VM Recovery, DataLabs, database point in time restore, and others mentioned in Veeam article Performance Impacts of Deduplicated Storage Systems Feb 2, 2018 · The Dedup that is mentioned by Veeam is not a file-system dedup it's an in-file dedup. Each AHV workload consumes one VUL license, with no additional costs for the proxy appliance, making it a flexible and scalable solution. Look at it this way - it's fewer writes to disk for each backup cycle, and it's less work that the Windows post-process engine has to do to hash blocks and add them to the chunk store if Veeam has already finished some of the work. In total this will be data flow optimized and backup deduplication optimized. Jun 7, 2022 · Side note: There is no deduplication for Veeam Backup for Microsoft 365 repositories because of the underlying jet database. Veeam offloads to S3 in a forever-incremental manner already, so the benefit of using deduplication on top of that will be small. This way, Veeam Backup & Replication eliminates transfer of redundant data over WAN. Enhanced support for any deduplication appliance, including Quantum DXi appliances, was included with Veeam Availability Suite v9. I don't want to migrate the data. It looks like you want to use Veeam Agents to backup your environment. 5 U4? Is the ReFSDedupeBlockClone registry key still needed to be able to use Fast Clone in ReFS repositories on Windows 2019 and Deduplication enabled? Jun 11, 2013 · Gang, leaving Veeam's inline deduplication enabled for NTFS deduplicated repos is fine. Sep 18, 2017 · The Veeam Backup and Replication server is Windows Server 2012 R2, with Data Deduplication installed. vbk files and . Select Product; Step 2. . Data blocks that have already been sent are not sent. I am wondering if the following statement is also true regarding Windows Server 2016 and deduplication (Synthetic Full Backups using Deduplication appliances as a Repository is not recommended) since its not a deduplication appliance. HPE StoreOnce Immutability and Veeam Agents. Number of VMs backed up. This is not a huge deal if your repository is running deduplication of some sort, but if not, that means there is quite a bit of potential space that could be saved. Nov 27, 2023 · I was going through some Veeam documentation recently and noticed a major improvement to the compression ratios offered in Veeam Backup & Replication v12. Use XFS/ReFS for fast cloning. I'm talking about faster restore. Apply Connection Settings; Step 4. Jan 22, 2019 · So deduplication works only across individual . Feb 28, 2016 · Re: Veeam deduplication and per VM backup files Post by ChrisSnell » Wed Mar 02, 2016 6:17 pm this post If you want to use per VM backup files and benefit from dedupe across all of the files then you can, of course, use ExaGrid's appliances to achieve this. Veeam Backup for Nutanix AHV is licensed through the Veeam Universal License (VUL) model as part of the Veeam Data Platform. Jul 31, 2012 · I just want to make sure I am reading from the Veeam 6. 5. Feb 21, 2025 · Compression and deduplication: Before data is uploaded, it's compressed and deduplicated to save storage space. Nov 12, 2021 · We Store data as fast and efficient as we can to have best backup and restore speed, while optimizing space usage on the backup target. Enabling deduplication at the OS level is fine but during a file restore the data will be rehydrated and written. vbk where . 45 Terabyte (Tebibyte if you want to go there)) volume, on which Data Deduplication has been enabled for files older than 1 day, as a general-purpose file server. Historically (pre v12), if you were to leverage ‘High’ as your chosen compression ratio for a backup job then, relative to the ‘Optimal’ setting, you’d expect to see a 10x increase So far, I have not seen a dedupe appliance where overall resulting data reduction ratio would suffer from keeping Veeam deduplication on. If you really want to have global deduplication here, please check the above option. Jun 21, 2019 · Where is the problem? Or is Veeam + Data Domain with 69% the best result we can achieve? The settings of the backup copy job are as follows: Copy every: 1 day Objects: about 120 VMs Restore Points: 20 Data Reduction: None Enable inline deduplication: disabled enable backup file encryption: disabled Data transfer: direct Jul 19, 2016 · Hi Hannes, thanks for your response. 0. Dec 20, 2016 · Veeam Community discussions and solutions for: Effect of backup job encryption on deduplication of Veeam Backup & Replication Jan 24, 2018 · Veeam Community discussions and solutions for: best practice or deduplication of Veeam Backup & Replication Feb 10, 2025 · This will reduce the global deduplication of the StoreOnce system. I have Ubuntu 22. Veeam is configured to store the data as "Dedupe Aug 23, 2024 · Dell Data Domain Immutability and Veeam Agents. 2 TB of data, that deduplicates down to 201. Apr 21, 2020 · 1) What will be the impact on file system deduplication of enabling encryption on the backup copy jobs? I have read lots of conflicting advice on these forums. Is a HPE StoreOnce. Assumption, the data movers are the Veeam proxies? We only have two proxies in our local datacenter and two more, one each in our remote datacenters. Dailies dedupe down to anywhere from 90-115GB. If Windows deduplication is used on REFS with Windows Server 2016 or newer, then Veeam Backup & Replication turns off block cloning automatically for performance reasons. All of the space is recovered over the next 24 to 48 hours which is great but the drive nearly runs out of space with all of the new synthetic fulls. Finish Working with Wizard; Veeam Backup Validator. While this storage efficiency is not a deduplication technology, it does introduce space savings . The article explains to have Veeam Data Movers on both source and target sides. GARTNER is a registered trademark and service mark, and PEER INSIGHTS is a trademark and service mark, of Gartner, Inc. Jun 16, 2010 · I am testing with the latest version of Veeam Endpoint. Jun 12, 2017 · Close to seven years ago, Veeam and Quantum came together to offer Veeam Backup & Replication as a tested and validated software for interoperability with Quantum DXi Series network attached storage (NAS) backup appliances. " Data Deduplication on ReFS requires at least Server 2019. When inline data deduplication is enabled in the backup job settings, the deduplication table will contain many pointers to a smaller number of blocks. This program enables vendors to add their deduplication storage system to the Veeam user interface with specific settings automatically applied. Dedupe-friendly. - (Optionaly) enabled DataDomain immutability (transparent for Veeam) with the FastCopy Immutability method. Optimized compression level for very low CPU usage. CLI Option. We using several virtual proxy servers, one physical backup server and a NetApp CIFS repository, and my current understanding for a full backup is as follows: Nov 5, 2021 · Veeam Deduplication works for similar blocks inside of a Backup Chain. Lz4 Feb 28, 2020 · (Oh no, unfortunately I just realize that it's not possible to update the first post! I'd remove most of the deduplication info there) Update on deduplication - not supported, will cause corruption! EDIT HannesK: deduplication / duperemove was not tested by Veeam. deduplication. We have also a fileserver Win2016 with deduplication feature enabled, the Veeam B&R v9. Looking at different posts, I plan to switch to "dedupe friendly" instead. As a result, only unique data blocks go over WAN. None. The doc explains that it offers both compression and deduplication. My thought was that the MetaData somehow gets written to the Tape as well so that we could use the deduped Files later on. Jan 23, 2018 · foggy wrote:Starting Update 3, Veeam B&R disables block cloning on ReFS volumes with built-in deduplication enabled (unless the repository is CIFS, where we cannot check). So my fulls are about 5. . This deduplication alone can yield very significant data recovery percentages depending on the contents of the virtual machines. You can select this compression level if you want to decrease the load on the CPU of the Veeam Agent computer. Using Veeam Backup Validator; Veeam Backup Configuration Tool. 7:1. " Jan 20, 2012 · Deduplication level is listed in a few places,for example in the job report, or when right-clicking the backup and going into its properties. I believe that some OS versions of the Data Domain's work better with Veeam, or at least I recall seeing some posts on the forum indicating this to be the case. This is for performance reasons and general good data practices. It is recommended to keep this default setting. Feb 18, 2016 · Hello Veeam-Friends I have a quick question. Now i changed the exclusion list to: \veeam\NfsDatastore \veeam\VBRCatalog and i am back in business and its working as usual! Jan 9, 2018 · Hi Kan, you're correct, Veeam B&R performs inline deduplication within it's backup files that is completely different from what dedupe appliances or Windows Deduplication do (and typically doesn't affect their dedupe rate). trej csuq qhtz xnuf tmf ytxmc bmpbxl tukiok bajmj qfk xaljse fuom rbk umawjm njoqmu