Veeam bottleneck. Mar 9, 2012 · Re: Veeam Backup 6. i. Zero functional issues anywhere on this outside of Veeam. Backup details already show “san”. Our environment is a lot faster than the maximum throughput off 34MB per second. I decided to try out one of popular tools for benchmarking and simulating disk workloads: DiskSpd (for Windows). Our infrastructure: 4 node Hyper-V Cluster, 2x 10G Teaming dedicated for Veeam Backup Network 2 node Starwind, RAID 6 SSDs presented via ISCSI to 4-node cluster Apr 8, 2021 · Re: Weird Performance Bottlenecks statistics by PetrM » Fri Aug 18, 2023 1:28 pm Hello, Our recommended practice is to keep a single Veeam B&R instance on the DR site to ensure a seamless DRP in case of the primary site failure. Can you please tell me what backup mode you're using? Thanks! Apr 4, 2017 · Veeam Community discussions and solutions for: How to Improve Source Bottlenecks of Veeam Backup & Replication Feb 25, 2021 · Veeam Community discussions and solutions for: Backup slow on 10Gbps network, Bottleneck Target 99% of Veeam Backup & Replication Jun 18, 2020 · Veeam is saying our bottleneck is at the source. I have a veeam proxy running on a separate esxi host outside of the cluster where my replication jobs Jan 9, 2026 · For backup jobs, Veeam provides advanced statistics about the data flow efficiency and lets you identify bottlenecks at the following stages of the data transmission process: Reading VM data blocks from the source. Network Bottlenecks: Causes and Solutions A common bottleneck in backup processes is the network connection between Veeam components such as proxies, backup servers, and repositories. Nov 2, 2017 · I have read several of the other posts about veeam slow backups and replications, and the target being the bottlekneck. » Mon Nov 26, 2012 8:30 am Hi Micheal, source bottleneck means that your production VM storage cannot provide data to ESXi host any faster. Backup proxies do the heavy lifting in Veeam, moving data between production and repositories. Dec 2, 2024 · 2. May 29, 2024 · Hi Experts,Our environment is below. May 11, 2024 · Bottleneck Detection: Bottleneck can automatically detect bottlenecks in various resources such as CPU, RAM, network and storage. Mar 12, 2019 · Veeam Community discussions and solutions for: slow backup - bottleneck target of Veeam Backup & Replication Oct 17, 2022 · Hi Team, I created a Veeam Backup job which source capacity 3TB. Are this components installed on the same server? You can always get help from veeam support, if you think, that there is something wrong. RDMA is enabled (have disabled as well to test with no change), I can copy files to other RDMA-enabled servers super fast, can copy back/forth between Hyper-V at 700MB/s, but when I kick off a backup of the VMs it runs at 2MB/s and gives a 99% Network Bottleneck. e, throughput was 3mbps through the whole job led to 7days duration job Apr 16, 2025 · After digging around, I came across a very useful Veeam KB article (KB2014) that suggests testing disk I/O to identify potential bottlenecks, especially useful when backing up to tape or dealing with performance inconsistencies. In our situation however, one could already imagine the bottleneck in our situation. Veeam Backup & Replication processes VM data in cycles. Transporting data over the network. . The problem: Too few proxies, insufficient CPU/RAM, or reliance on network (NBD) mode. How can I fix this? I would think our bottle neck is at the Target due to storing the backups on the slower disks. Server 2019 fully patched. Oct 17, 2022 · Hi Team, I created a Veeam Backup job which source capacity 3TB. This report evaluates how optimally your backup infrastructure is configured and suggests actions aimed at boosting its efficiency. Thank you in advance. It took 7days to finish. 5, Bottleneck Source 99% by Vitaliy S. I wouldn't be focused too much on the load statistics if the jobs performance is acceptable. But at job running first 30mins, the throughput was 40mbps, but after 30mins, throughput drastically reduced to 3mbps and not at all increasing in the whole job. Having 1GBPS infra. ESXi server - FC HBA External storage - FC HBA Proxy and Gateway servers - FC HBA HPE StoreOnce Target side deduplication Catalyst over FC We found a Primary bottleneck point to Target every backup jobs. Veeam support can tell you exactly what the bottleneck is in your case. Root Cause Analysis: Bottleneck can provide in-depth analysis to identify the root cause of bottlenecks. But I am still having an issue on my replication jobs only runing between 6 mb/s and 10 mb/s. e, throughput was 3mbps through the whole job led to 7days duration job Oct 4, 2021 · „Network in the bottleneck“ is normally the path between the data mover from the proxy server to the backup repository, in case of a backup job. However, when doing a restore Feb 22, 2021 · Most Veeam Cloud Connect environments never get above 34MB/s per Tenant, especially when there are hundreds of tenants. Processing VM data on a worker. Oct 16, 2025 · Here’s how to optimize Veeam for maximum performance. Aug 31, 2015 · Veeam’s bottleneck feature is a great tool for giving a pointer to where a potential problem lies if you are not getting the performance you expect during a backup. Writing data to the target. I have a physical Veeam server running on a VM server in a 3 ESXI host cluster. Note: This report is available for VMware vSphere environments only. Performance Trends: Bottleneck allows you to see performance trends of your backup infrastructure over time. If they’re underpowered, your entire backup environment slows down. Feb 27, 2025 · Veeam Backup & Replication provides advanced statistics about the data flow efficiency and lets you identify bottlenecks in the data transmission process. End of result, Throughput was shown just 3mbps. dle opq bay dfx fen lwk voi yzr ieo lpu iiq jfi tdm dlr cad