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Which is pretty slow if you imagine that the following hardware is ... and the enablement of Block Cloning or with that Fast Clone in Veeam.

ReFS is commonly used for backup with Veeam. ... One of those long-living cases on poor fast cloning performance was finally resolved today ...

Feb 11, 2019 · For Windows Server 2016 (or later) repositories, formatting volumes into ReFS, will allow utilizing Fast Clone technology, which drastically improves performance of the synthetic operations. With a ReFS repository in place, mind the following: Latest Windows updates are installed on the repository server. Volumes are formatted into 64K.

Solution: Interesting- What Backup mode are you using? How is your job set up? I am wondering if there is a setting in the job that is making Veeam re-read ...

Nov 22, 2021 · To use Fast Clone, Veeam Backup & Replication requires that Linux backup repositories meet the following conditions: Linux distribution has the reflink kernel module. Supported distributions: CentOS 8.2 and 8.3, Debian 10.x, RHEL 8.2 or later, SLES 15 SP2, Ubuntu 18.04 LTS and 20.04 LTS. For other distributions, Fast Clone support is experimental.

FastClone worked fine for primary jobs and for almost every backup copy job to datacenter site 2. Apparently it did not work for the backup copy ...

Jun 03, 2017 · I personally think Veeam should be adding this as a disclaimer on their documentation, especially that in Update 3 Fast Clone is being disabled on certain builds of Server 2016. Also, like a previous poster stated, this needed far more rigorous testing imho. I'm going to wait for the MS patch mentioned earlier and see if that fixes issues.

22.11.2021 · Fast Clone is the Veeam Backup & Replication technology that helps create quick file copies. Fast Clone increases the speed of synthetic backup creation and transformation, reduces disk space requirements and decreases the load on storage devices.

The OS is Server 2016 and was "not" up to date when the ReFS and Job was made - it is now, but the fastclone is still very slow (24 hours).

22.11.2021 · Fast Clone is the Veeam Backup & Replication technology that helps create quick file copies. Fast Clone increases the speed of synthetic backup creation and transformation, reduces disk space requirements and decreases the load on storage devices.

Hey there, I have a synthetic full backup on a volume that supports fast clone that is 29TB. The source is a Windows file server cluster. My understanding of fast clone is that it's not truly performing a copy job - just performing a kind of snapshot operation and any additions to the original file are essentially differential copies and all of the "new" bits are just pointers to the …

So then is slow fast clone using synthetic fulls a known issue in ... Here's the Veeam output: https://imgur.com/a/eA03XaG Is this what you ...

Jun 22, 2016 · Very Slow Fast clone Windows Server 2019 Post by wageck » Tue May 18, 2021 2:05 pm this post We are running Windows Server 2019 LSC with Veeam V10 and are seeing extremely slow Fast Clone processes.

11.02.2019 · For Windows Server 2016 (or later) repositories, formatting volumes into ReFS, will allow utilizing Fast Clone technology, which drastically improves performance of the synthetic operations. With a ReFS repository in place, mind the following: Latest Windows updates are installed on the repository server. Volumes are formatted into 64K.

The most recent full backup was almost a week old (with 3 VIBs in between), but there are like 5 other VBK files on that volume that were all created using ReFS fast clone. In my mind, it makes sense that this could be the issue, because during the restore job, it has to read the fast cloned VBK, see that the blocks reside in another file, and ...

Nov 14, 2016 · So I have noticed this issue mainly since upgrading to version 8+ my Backups are slow yet my replica jobs are fast. For example I have an SQL server that is in both jobs. The backup job will take 13 hours and runs once a day. The Replica Job runs every 30 minutes during business hours and will take 5-15 minute normally.

The fast cloning technology we at Veeam are able to use with ReFS/XFS ... to pay for with slow restore speed and much higher hardware costs?

29.11.2016 · So I have noticed this issue mainly since upgrading to version 8+ my Backups are slow yet my replica jobs are fast. For example I have an SQL server that is in both jobs. The backup job will take 13 hours and runs once a day. The Replica Job runs every 30 minutes during business hours and will take 5-15 minute normally.

18.05.2021 · We are running Windows Server 2019 LSC with Veeam V10 and are seeing extremely slow Fast Clone processes. Case #04788020 is open but the support engineer can't help and refers us to Microsoft Support..... The following is configured / deployed. Windows Server 2019, Version 1809 OS Build 17763.1817.