Esxi 10gbe slow 5) using NFS (~130MB/s max read inside the vm). 5U1/U2. A while ago, network speed between both machines became very slow. 61 Gbits/sec much slower than the 9. Jan 20, 2021 · I have a 3-server homelab using ESXi 7. One 10GB is on separate vSwitch1 for iSCSI to a NAS. our storage is ceph with nvme i would say migration speed is as if the storage were local and not shared. 1. 0 Gigabit Ethernet Adapter nx_nic NetXen NX3-IMEZ 10 Gigabit Ethernet nx_nic NetXen QLE3142 (NX3-20GxX) Dual Port PCIe 2. 0/24 Jun 3, 2021 · Scenario: Branch office with two Dell servers as hosts (ESXi 6. I have several ESXi clusters under the vCenter and the ESXi clusters are physically located around the world. 5Gb/s vs 1. I have a 10G link from my esxi host (Dual 2640's and official dell 10G card so everything is supported) and runs to my desktop. 0 b3634794, ESXi 6. Neither does linux. Provides good performance and redundancy while maintaining simplicity. Host: ESXi 6. 0U1 and Intel 82599 10GbE NICs. Jul 22, 2016 · In the following screen shot of a host’s network configuration, two ports on a 10G card are added to a vSwitch with four 1Gb ports. Oct 22, 2009 · On the topic of 10G on ESX, I found the following document very informative. This NFC protocol is what vSphere Client's datastore browser relies on as well, so vSphere Client is your best benchmark for Veeam B&R "Network" processing mode. satish_lx May 03, 2009 03:33 PM Performance slow cause of hardware compatibility and other factor like remote storage. Ensure that TSO and netqueue is enabled on the NIC. Trying to perform a backup right now of a single VM that is 6TB, I am getting incredibly slow read performance and trying to do anything on any other vm is impossible. Jun 6, 2016 · @alfredo:. vCenter 6. Removed all vmkernal adapters on distributed switch and moved all functions to the single vmk that is also used for mgmt. 3 Dell R730 servers. It's also a dual port nic, but we still facing the same issue: VMs on vSwitchOffice are communicating fast (10GB), but traffic over vmk0 is absolutely poor slow (1GB). So perhaps the copy is running as fast as possible with regards to the hardware and NIC config. I have a 10g network between NAS and two desktops. Win7 VM -> Vsphere1 HP Workstation X540 10gbe ethernet -> 10GBE SFP+ switch #1 -> switch 10g uplink -> switch #2 -> 10g DAC SFP+ to Vsphere2 HP DL380 G9 X520 -> Server 2008 VM I'm using Proxmox 6. Good question - the copy is approx. Details: 3 ESXi 5. 1261 P20211123. On the net map-fwd GitHub page, we saw values of only 600 Mbps; we are already at 300 MB/s (2400 Mbps) and are looking for 700 MB/s + in order to get closer to the full 10GbE. For example, a Windows 10 VM thin provisioned that use actually about 30 GB took more than 2 hours. I'm personally not a fan of NFS for VM datastores. 0 Netgear XS708T (10GBE Swich) ESXi 7. So right now it's literally two 10gbe NIC's crossed over, with no switch in-between but the vSwitch, which is at 9000 MTU. I've been troubleshooting a bunch of servers that have a single 10GB connection each, as when moving VMs around using cold migration, the transfer speeds are between 400-500mbit. Dec 1, 2011 · For network processing mode, vStorage API uses NBD (Network Block Device) protocol. First I tried running iperf (single thread) and NTttcp (8-16 threads) on 2 vm's inside the same host. Your Ips for the 10GB nics are in a different subnet than your normal ones exp. I don’t do vMotion all the time but it has been working pretty well especially in some of the clusters on 10Gb networks. I have been experiencing very slow (max 5MBps) from esxi to esxi, esxi to hyper-v, esxi to azure. (tested with sing 5GB ISO file, there is NO AV/FW installed) , but on same physical server, all Windows 2008 R2 (64bit with vmware tools installed) related guests vm are limited to 1Gb transfer only as Oct 4, 2023 · Copying data across my local network is extremely slow. both have the intel x540 installed. I just thought that there was something going on with those servers that caused the slow speeds. The network in question is 10Gbe only. I was benchmarking iperf3 scores on a few VMs and wanted to test against my FreeBSD VM, and I noticed its throughput is quite a few Gbps lower than other VMs I have in my lab. 1 on NVMe SSDs on Dell Boss Card and 4 x iSCSI ports on 10Gb 2 x 10Gb for Management and vMotion and 2 x 10Gb for Production VLANs. Jumbo Frames make a world of difference to performacne with iSCSI. 10. Cluster has iSCSI and NFS VMs with 1 volume and a LUN for iSCSI and 1 volume for NFS. Previous admin had Veeam setup and I didn’t dig into backups until we upgrade our repositories and added licensing Jan 19, 2012 · We currently run ESXi 5. I'm looking for advice so thank you in advance! **Problem:**When uploading files (isos) into the datastore from my desktop over 1gbe or 10gbe over fiber, the transfer speed is slow. The 10G ports are set as primary for all the usual functions of NICs on an ESXi host and the four 1Gb NICs are teamed for failover, should something happen to the 10G connections. Each node in the SAN has an identical RAID-10 of 4 SSD drives OCZ Agility 3 240GB each. Jan 22, 2013 · ESXi is capable of over 4096 MB/s speed (theorhetical) or Infiniband which is 40,000 Mb/s throughput. Mar 12, 2017 · I've struggled with slow speeds from my ESXi servers for years. Oct 3, 2024 · I used a 10GB Management Line to transfer 70TB of Data and that is taking long too , but as Tests showed we decided to shutdown the VMs and then migrated them , it took a long time. 7 and 7. May 26, 2018 · I installed a Chelsio T420-BT 10Gbe in my new FreeNAS Mini and it is connected point-to-point to a similar card in my soon-t-be retired ZFS on Linux server. The datastore browser does it much faster. Testing this connection through Chrome on speedtest. As long as the VMFS filesystem is compatible, and the latest one I know if is VMFS 6, then it should mount on the other ESXi host no problem. Thanks May 24, 2020 · I'm getting 10GbE NICs to add to my ESXi hosts that already have 1Gbe NICs, and I wanted advice on adding the 10GbE NICs. 10gb SFP + network setup - slow windows TCP Transfer - Spiceworks From my tests over there you can see that the windows is the issue of slow transfer speeds and not hardware/zfs/freenas. Monitor your CPU and memory to make sure your not hitting a different constraint. May 13, 2021 · Confirmed slow as molasses (8MB/s) replication over 10Gb between two VRTXs with vmware 7. Nov 23, 2019 · Hi all, I have been doing some testing with iperf3 and FreeNAS running as a VM in ESXi 6. . May 4, 2021 · I could now setup a 10GbE network between the NAS, the home lab Dell R720, and my main PC. MTU on both cards is set to 9000. Background. I can rule out autonegotiation issues on the switch, it's flashing a greed light indicating a 10G link. The ESXi host is running RAID10 with 15K RPM SASs. One 10GB NIC and the two 1GB NIC's are on vSwitch0, with the two 1GB set as STBY. All local DAS, with 7TB of Intel S3500 SSD in each. 0/24 ? Like Hittingman said I think part of the issue is the card is an x8 card and the second slot on your system is only an X4 (even though Physically is an X16 slot) May 21, 2019 · NetXen HP NC522SFP Dual Port 10GbE Server Adapter nx_nic NetXen Quanta SFP+ Dual Port 10GbE Adapter nx_nic NetXen Dual Port 10GbE CX4 Adapter nx_nic NetXen QLE3044 (NX3-4GBT) Quad Port PCIe 2. The ESXi is connected to a trunk port on the physical switch and a trunk port-group is assigned to the pfSense VM. Nov 14, 2017 · -vSphere 6 cluster (ESXi 6. I have the machine powered down, selected download option of the vdmk file while browsing the datastore form the VSphere client. The average speed between esxi hosts using iperf is 6. NBD, in turn, leverages internal ESX(i) host protocol called NFC (this one is not public). We updated one of the ESX6. I am doing a write test to a 10G file. I have a NFS share setup on the FreeNas machine, mounted into the ESXi machine over the 10GbE network, however when I am trying to transfer data from a local VMFS6 Datastore TO the NFS share, I only reach about 50mbps though the GUI and about 150mpbs though SSH (just doing a cp or mv on a vmdk file). 1x SATA DOM for ESXi. Mar 17, 2011 · My setup has each of my VMs operating on networks tied to a 10GbE SPF+ interface and the hope would be to leverage the additional throughput that comes along with this interface - thus my having chose to go with VMX adapters. If NFS, you would create another VMkernel port in the new (10G) Vswitch and assign it an IP on the same network as the 10G port on FreeNAS. The switch reports a full duplex 10GbE link between all devices. Mar 29, 2011 · We have built a SAN using Nexenta and 10Gbe for our VMWARE environment and with some tweaking and testing I am able to hit up to 1GBytes (not Gbps) per second to the SAN using iSCSI from a Win 7 Guest VM according to ATTO Disk Benchmark. Both blades and SAN have ESXi 5 installed. 8GHz, 256GB RAM Jan 19, 2016 · We have the same slow performance in our ESX-Cluster, speed arround 10 MB/s. 6 hosts under vCenter 6. Since the FreeNAS is virtualized, the general recommendation to use Chelsio cards over anything else is probably not as valid as if it was a standalone box, but it's definitely one of the (few) brands I am looking at. 7 The driver above runs fine on my SuperMicro X11SPi-TF and I am not experiencing network disconnects as I previously had. Currently the host that the Veeam VM is running on is not on 10GbE, but I figured we could atleast saturate a 1gb link with a restore. So that rules out misconfiguration in my ESXi infrastructure, OS drivers, etc. All looks good there. 1. I don't believe the results. 02GB/s 1. Jan 10, 2019 · The managment Network (which is used for veeambackups, if I am right) of the VMWARE ESXI 6. 1x Samsung SATA SSD 850 PRO 2TB. If i have a ESXi host with Optimal/Full 10 GB physical back end , but my eg Windows 2008/12 VMs have e1000 , or e1000e virtual adapters , can my VMs only run at 1 GB , as i can see the nic speed is reported as 1 GB inside Windows ? Dec 21, 2017 · Hi, I need some help figuring out why my 10gbe speed is slow. Regards Dariusz Sep 20, 2021 · ESXi boot and datastores: 100GB Intel DC S3500 SSD + 512GB Samsung SM961 M. Apr 16, 2018 · I have been doing some testing with iperf3 and FreeNAS running as a VM in ESXi 6. - Unfortunately, I can't use vMotion, due to license (I may upgrade in the future). 60GHz 256GB ECC RAM @ 2400Mhz Intel(R) 2P X520/2P I350 rNDC eth0 (10GbE SFP+) Connected to Primary Network - Servicing Multiple VLANs eth1 (10GbE SFP+) Connected to Storage Network to Access NFS & iSCSI on NAS So, of course, the UDMP is linked to the USW-Agg with 10Gb and the 24 port with 1Gb. 2 x 24 1gbe modules. 7U1b I have several ESXi clusters under the vCenter and the ESXi clusters are physically located around the world. well golly gee, was I shocked,, when I saw on how slow things were I'm usually very smart great with Wi-Fi I am at a loss here. Jul 29, 2013 · Correct there are two proxies - one per ESX host that both connect to the same datastores (in an effort to distribute load across the proxies). 5 VMXNET 3 performance is poor with iperf3 tests. I will really appreciate every response to this and will provide clarification to every clouded detail. That's pretty close to wire. 2-U5-RETIRED Hello, My 10Gbe Fiber connection between my ESXi box and FreeNAS has been working flawlessly for weeks. 5 U1. This is an example with 10 files: $ time scp cap_* user@host:~/dir cap_20151023T113018_704979707. I was able to get ~8Gbit/s between two FreeNAS 9. ESXi runs shared datastores really well (NFS, SAN, and VMware's own storage mechanism, vSAN). 5TB Memory and 2 x Intel Xeon 6254 CPUs and VMWare ESXi 7. Currently, I have a 10GB connection with a 1ms response to local speedtest servers (located in a data center). Feb 14, 2019 · Having no reasonably-priced 10gbe switch to configure port trunking, I plugged a cable directly from each host to the NAS, 10gbe to 10gbe. Marked MemTrimRate as 0 in guest settings. Moved single 100gb windows VM to esx. ESXi Server. All of these are using 10Gb DAC, by the way. Fault Tolerance Performance in vSphere 6 - VMware VROOM! Blog - VMware Blogs Isolated a single esxi and removed the 3x 10gbe uplinks. 7U3 to be precise). Posted by u/chaz393 - 2 votes and 8 comments Jul 18, 2012 · DL380p Gen8, dual E5-2690, 256GB ram, dual-port 10GB LOM and dual-port 10GB add-on card (2x for iSCSI/Service Console/vMotion and 2x for DATA) The SAN configuration is a HP Lefthand P4500 cluster which has not changed during this process other than the migration to a 9000 MTU. HOWEVER, when I run the iperf3 test using a Linux VM hosted on an ESXI server, I am getting near 10Gbps, and I didn't even use parallel when executing iperf3. 02Gb/s or or 1. Feb 19, 2024 · Installed 10GB nic in ESXI host and switched all VM's to VMXNET3 nic and windows will show it as 10GB but using iperf to test connections it maxes out a 4GB. I notice that concurrent streams each go at the same slow speed but total throughput increases perfectly. I'm going to upgrade the home server with a bit of 10GBit connectivity (mostly because of the NAS), and am not sure what card to look for. We don't (yet) have High Availability licensing, so I shut VMs down, moved them, and re-added them to the inventory from their new home on the NAS. 0 b3620759), so the latest for both at the time of this publication. To fix this: I deleted an unused port group, and it was immediately replaced with 'VM Network'; this was a eureka moment where I must have messed up something. The 10GbE is the iSCSI dedicated network - only iSCSI traffic is transported over the 10G links. - Currently, each ESXi host has 3 or 4 1GbE Mar 3, 2019 · ESXi 6. 5 - 9 Gb. Using a standard vswitch. See below: Dec 2, 2016 · I was ultimately disappointed when moving to 10Gbe Management, after testing I confirmed that NBD mode only goes at about 100MB/s per VM max (some esxi related throttling), but when you have more VM's in a Job (all on the same host), combined they can achieve much faster speeds, going up to 500MB/s and beyond, ultimately beating hotadd timings Dec 22, 2018 · 150 MBps is "slow", but it's too fast for gigabit architecture. Some things I've done: All the disks are marked as Persistent Independent. I just found this thread today, and my transfer rates went from 400 KB/s to 25 MB/s. When I use VMware vCenter converter 5. Feb 13, 2024 · Here's an overview of what you need to consider to maximize 10Gb Ethernet performance: 1. 0 U2 with ESXi U2 (vCenter 6. All of a sudden, however, speeds are suddenly plummeting. Apr 6, 2016 · Hi Communities , please help me understand . 0u3 and 11. Here are my freenas and windows 10 specs: Windows 10: i7-930 Asus P6x58d-e 32GB G. Oct 3, 2021 · Hello, I recently converted my TrueNAS from dedicated hardware to a VM (Converting baremetal FreeNAS to virtual) and am having some trouble with slow network speeds. Same performance actually with vmware converter. The NAS VM (XigmaNAS) is running jumbo frames (9000) out of a pass-through (VT-d) Intel X540 (10g) , directly into an Intel X540 (vmnic3) port on the ESXI server. 04 with 9000 mtu runs at 8. 7 to 8. A file transfer over The machines seem to be pretty slow and I haven't the slightest idea why. Cloning still takes 45+ minutes either through local disk, nfs or vsan. 0, fully patched. Problem. Where you go next depends on whether you connect to the data store via NFS or iSCSI. 0 vSphere Essentials & Veeam 7. Is there a reason these programs are so slow pulling data from esxi? Thank you Slow write to ESXI datastore on 10Gbe I've added 10G nics to my computer and my sever, and with benchmarks, it all seems to be running normally(~9. with FastSCP: time ~ 2:55 minutes Slow NFS Speed On Ubuntu Over 10Gb Question So I recently upgraded my pool from two mirror vdevs to three (x6 WD Red) and when testing SMB speeds with a mounted share on a Windows VM, I see a steady 400MB/s transfer (both ways) which sounds about right. No SAN, no NAS, no vMotion. ( ICX 7250P) in hopes it would speed up my VM performance (ESXi 7) and general large file copying. No bottlenecks anywhere else in the system or the network, everything flies. For the Software side. ## The Setup I set up a Lenovo Thinkstation Tiny P3 as my home lab with vSphere 8. Mar 26, 2018 · My Cisco ESXi hosts have Cisco 10G NIC's (the baseboard management controller doesn't run the fans as high when the NIC card is one is recognizes), and My HP DL360 G7 has the 522 (aka Mellanox) card. I'm currently trying to export and download some VMs as VMDK files from an ESXi vSphere 7 instance (free license). The number of files could very well be the underlying issue, as a network test utility on this server can read/write a single 10gb file in about 75s. Unfortunately, the download of that file is extremely slow: My VM host has a network uplink of 500 Mbit/s available, while the downloading machine has a downlink of 200 Mbit/s. 5 Gbits/sec expected. x boxes without jumbo frames when using 4 threads. 02-1. I have read many KBs but none address my question . Manually set the SFP+ negotiation speeds across the board. 5 on my new esxi build. Single 10gbe uplink now used. Apr 17, 2019 · 4x Sonnet Solo 10G (TB3 to 10GBE) using native atlantic network driver for VMware ESXi 1. NFS to a SLES machine runs faster (>400MB/s write). without tweaking on Linux, or ESXI, using 1500MTU I only see about 1. It’s hosting a single VM for our ERP running SQL. May 6, 2020 · We’ve got an ESXi host running 6. Edit: Wrong Interface Sep 14, 2023 · and a BCM57412 NetXtreme-E 10Gb RDMA Ethernet Controller not working properly: 2) vmnic5 , bnxtnet , 11:22:33:44:55:66 , Enabled , 10000 Mbps, full duplex. This release includes the native i40en VMware ESX Driver for Intel(R) Ethernet Controllers X710, XL710, XXV710, and X722 family Driver version: 1. Apr 4, 2015 · I've recently put in a cheap 10GbE backbone in my SMB server room, consisting of a Netgear ProSAFE Plus XS708E, connected to two ESXi servers with 10GbE Intel NICs built in (SuperMicro boards), and my FreeNAS 9. Netapp Release 9. now Full VM vMotion slow over 10Gbe I have two ESXi 6. Running iperf between the Proxmox host and my Truenas server (on the same switch with an X520-da1), Im getting 2gbps of bandwidth when my host is the server and a few hundered kbps when the host is the client. Hosts and RAID 6 NAS are plugged into a common 10GB switch. Skill F3 DDR3 250GB Samsung Evo 840 Seagate Desktop SSHD 2TB Geforce GTX 980 Intel Pro/1000 PT Intel X520-D2 FreeNAS: Dual Intel X5650 Supermicro Jun 6, 2017 · SOLVED: So I created a stripe/RAID0 and iperf continued giving me the exact same results, however, with a ramdisk I was getting full 10gbe throughput both ways. Issue: Storage vMotion maxes out at 1GbE speeds. com. You'll now need to figure out if you want redundancy and need to purchase a second 10GB 2 port nic or deal with a single connection for data and one for VMtraffic (and other traffic). 7 with 4 vCPUs and 128GB RAM Apr 22, 2020 · Vsphere server Sunfire (something-old) I really canť tell where the problem is, but in my opinion it would be in the ESXi. 0 running VMs off of a Cybernetics miSAN D iSCSI SAN. You would want to create a new Vswitch in the ESXi host. 5 GBits/s. 2 x 1Gb NIC Link-Aggregated. 7 with 4 vCPUs and 128GB RAM Mar 7, 2021 · I rebuilt my TrueNAS server to the latest version and upgraded ESXi hosts, and this time used multi-pathing but get terrible iSCSI performance. I recently enabled Jumbo Frames on everything that has to do with iSCSI (end-to-end) and can confirm that JUMBO’s are fine. 5Gbit USB interfaces. net shows a max download speed of around 5GB and upload of around 2GB with a 1ms response. VMWARE Esxi 5. I have tried enabling jumbo frames with no luck. Apr 24, 2013 · I ran into this problemslow write and read performance with my ESXi and FreeNAS (9. 1gb network 192. Greetings! I need assistance from the hive mind. It has an iSCSI data store connected over one port and VM traffic over the other port. png 100% 413KB 413. All my Debian VMs and as well a Windows Server 2019 VM (on an ESXi host) are showing between 40-100 GBits/s in the same test. 0 Update 2. I wanted to make a backup of the VMs from the SSD on a WD 1TB drive and the transfer is extremely slow. 0 standard in evaulation mode. The provisioned sized of this disk is only 200g, and only a small portion is being used at this point. Hardware Compatibility and Quality. May 31, 2020 · I got a new 10GBE switch from Santa. 2. 7U1b recently but have not tried vMotion until today I need to upgrade the ESXi from 6 Aug 4, 2023 · Hello folks, I recently switched from TrueNAS Core to Scale and found an issue with the transfer speed. the card + firmware you have indeed supports 40gbE, if it didn't it would not link up with your switch (those 6610 rear 40gb ports support 40gb link speed only) That being said, you need a pretty kick ass SAN to push past the 10GB iSCSI with doing multipathing and everything else properly. 0-U5. 5 > OPN Sense should mange VLANs with VMXnet3 (Rounting) > 4 Processors > 8-16GB RAM > 60 GB Storage (External on Lenovo V3700 FC with 48x 900Gb) Questions: >Works OPNSense fine with VMXnet3? (I dont want to use the E1000 driver, because i have 10Gbe) Jun 1, 2015 · Just received my 10GB cards, installed them and now I see in real what the SMP-FT can do without delays but just raw power. as to why I have Dec 28, 2018 · I just did a fresh install of ESXI 6. However, the real file transfer (SMB) gives 150 Mb/s only. 5Gbps so it looks like the iperf3 test runs better when the Windows box is running as server but still no where near 10Gb. freenas box port 1 <-> esx port 1; 10GbE full-duplex on both sides; subnet 10. Each host is fitted with a dual 10Gbe sfp+ card including my freenas nas which is acting as my datastore. I am getting very slow iSCSI read performance. 1 Supported ESXi release: 6. That said, with the network you describe, you would benefit from a purchase version of ESXi, and any edition will provide this support. Management NICs are 1GB and two 10GB on each host for iSCSI and vMotion traffic (I have a dedicated 10GB Dell PowerConnect8024 for iSCSI traffic). 0-4 and can't seem to break the 7Gb barrier on a point to point link from the hypervisor to an external host. I guess with RAIDZ was the bottle neck for the write speeds! =( lol. 7 servers networks on 10G. The Junipers are configured for jumbo frames VM: Windows 2019, patched VMXNET adapter, DirectPath IO disabled WIndows networking: no jumbo frames (1514 frame size) large send offload enabled checksum offload enabled Apr 24, 2013 · my freenas box is directly connected to an esxi server through two cat 6 cables using diffent subnets on each wire. I’ve mounted the ESXi disk using SSH, and the connection is shown as gigabit in ESXi and on the fileserver I’m copying to. It's just not as fast, even over 10gb. I have basic ping connectivity, however when i browse the datastore and try to copy data etc it seems extremely slow, i have enabled jumbo frames on each end but it now seems slower than the gigbait connection. that all said, the situation should improve with 2. When I initially ran iperf, the link was transferring something over 900 MB/s. When storage vMotion-ing from local storage to NAS, or NAS to local storage, it seems to top out at 1000Mb/s. Dec 22, 2018 · As you can see though, from the virtuual 10GbE NIC inside FreeNAS the connection is to the virtual 10GbE switch inside ESXi, and then directly out via fiber to the Linux server 10GbE NIC. Using iperf3, I can get maybe 2gbps consistently to the TrueNAS VM from any number of other machines both physical and virtual (using Mellanox ConnectX-2 cards). Then, I moved vMotion from Management 1GB NICs to 10GB NICs (should be a huge Feb 2, 2020 · I always see near 10Gb speeds. 4x SATA hard disks of various sizes. (2 mb/s) My computer and target both have ssds. Summary: 3 ESXi Hosts with dedicated 10GbE iSCSI connected shared storage. Here is my setup: Dell r720xd, 256GB DDR3 ECC, 12 x 4TB SAS-2, pool is split into 3 x 4-drive Jul 19, 2011 · They're *painfully* slow to PXE boot and I was wondering if anyone has had a similar experience. Linux VM's seem to be fine using the VMXNET3 nic and testing with iperf show 10GB. 0 Dell EMC PowerEdge R630 Dual Intel(R) Xeon(R) CPU E5-2690 v4 @ 2. 0 10GbE SFP+ Adapter nx_nic Mar 2, 2017 · Network: SolarFlare SFN6122F 10GbE, 2 x Intel GbE NICs HBA: LSI SAS9207-8i ESXi boot and datastores: 100GB Intel DC S3500 SSD + 512GB Samsung SM961 M. Copy from Datastore1 to Datastore2: with 'cp': time ~ 4:04 minutes. , which is a relief. 5u3 with 512 RAM, SSD RAID for storage (local), 10gb uplink, and E5-2623 v4 CPU. I also noticed when adding this NIC to monitoring in PRTG it shows as only a 4GB connection. 7 U3 Threadripper 1950x 16 core CPU, OC to 4. Both physical hosts have a Another vSwitch for vMotion, HA, Management, and VM network traffic, utilizing the second 10GbE port and the 1GbE port as a failover. Any ideas why this Slow network performance with 10gb NIC? Im running an Intel X520-DA2 in my Proxmox Host (HP Z840, dual CPU). 6Gb/s), but the windows iSCSI share and the ESX NFS share are identical POOLs, so i feel like there is something in my configuration on ESXi or TrueNAS that has to be tweaked to allow ESXi to communicate faster. Nov 23, 2019 · 10gbe slow network slowdown Replies: 5; Forum: Networking; SOLVED 10GbE ESXi 6. There is no service console in esxi. I don't do vMotion all the time but it has been working pretty well especially in some of the clusters on 10Gb networks. Is this a bug in ESXi? Why is this even an issue when the VMX adapter is supposed to be the "go-to" for high throughput? Jul 15, 2011 · I am using 10GBe CX4 cards on both devices and have a CX4 cable plugged directly into both devices without going through any switch. I’ve tried copying files to and from a VM on the host, and I’m getting at least 40MB/s. Oct 5, 2021 · Hi Everyone, I have a complex problem that with multiple levels of software and hardware is a bit of a puzzle. All tests performed on the 10Gb network connections: vMotion between Host A and B over the vMotion vlan transfers at 1Gb/s Jan 14, 2020 · It was something in my ESXi Networking settings that I had messed up in my pursuit of 10Gbe, but not exactly sure what. My goal was to create a small 10GbE network without spending a ton of money. Our Infrastructure configuration is. I don't think I have a slog, essentially no drives are setup for caching with freenas, but this issue is also present when vmotioning with storage a VM from an SSD on one esxi host to an SSD on another esxi host using that 10gb network. 5/6. 7 U1 Enterprise Plus)-ESXi1: HPE DL360p Gen8|Xeon E5-2640 v0|144GB DDR3 1333 ECC RAM|Intel X710 10GbE ESXi2: HPE DL380p Gen8|Xeon E5-2620 v0 x2|112GB DDR3 1333 ECC RAM|Intel X710 10GbE vSAN 2-node direct connect for primary storage-FreeNAS 9. 7U1b. Servers: 3 x PowerEdge R640 with 1. Oct 23, 2015 · I'm trying to copy a batch of files with scp but it is very slow. Switches: 2 x Dell Mar 3, 2019 · Environment: ESXi 6. 02GB is about 8. Jan 30, 2016 · I am trying to download the system / root partition disk from of a virtualized Win2012 server on a ESXI 5. I have an ESXi server with an Intel X520-DA2 10 gig adapter in it. Also, for anyone using this as a guide, I deleted all the All vSwitches are using jumbo (9000 byte) frames Network cards are HP 10GB, using fiber DAC cables to Juniper switches. Hi all, I have been doing some Mar 18, 2011 · I noticed that the copy of a vmdk file is very slow between 2 datastores with the command 'cp' on an ESXi. iperf shows average data transfer speeds of 30mb/s. Jan 24, 2021 · Hello Guys, We are getting slow transfer speeds of less than 50MBps on a 10Gb network with all-flash SANs. Jan 26, 2020 · My vm's OS is linux I did scp (copy a file between two linux vm) my speed transfer was too slow about 2MB/s but after a connect/disconnect network for that vm speed transfer improved and increase to 250MB/S. All in All it took Days to migrate 1000 VM , and keep in Mind it seems that there is a limitation for 1 VM so it was always faster to migrate many ad the same Time. I'm pxebooting them wtih debian and syslinux/pxelinux. SAN: 1 x VNX5200 block iSCSI with Block iSCSI. For the record, my Linux server is a Supermicro mobo with a dual core Celeron, 2. These are connected to a VMWare vCenter Server Appliance (VCSA) which is also a VM residing in one of the two physical hosts. 0 Update 1 recognizes it and shows me that it goes to 10000Mbps. a storage pool configured as 2 x (4+4) Raid1/0 (as per best practice) Operating system. The same host when running Ubuntu 16. I have jumbo frames enabled across the everything. Jul 23, 2012 · We are restoring to a 16 disk array (iSCSI connection to vSphere, VMFS, 10GbE). The Mellanox card works great with ESXi, but FreeNAS/FreeBSD don't like it much. Jan 26, 2010 · This is a new setup of ESXi 4. 2 NVMe SSD Pool: Mirror (2 x 12TB HGST Ultrastar DC HC520 (0F30141) BANDIT: FreeNAS-11. 5 U1 Enterprise Plus (updated with all the latest patches) build 1746018. Each ESXi host's current setup is: - VMWare Essentials license, so I am only using VSS (no VDS). Network. That is why this post is hard to make sense of. 8P20, RAID-DP with 11 x SAS HDD. Nov 3, 2018 · A more 10gbe related topic on this I have posted on this forum, in case any1 is interested. FreeNAS host: FreeNAS-11. The 10GB physical switch connected to the VMware host is blinking two green dots on the 10GB connection confirming it's running at 10GB. Jumbo frames are OFF. Everything is connected together with my mikrotik switch. 5 server. Update I'm noticing some issues using esxi 6. 0 vSphere Essentials. I think its like 30 meters or something, beyond that and your speed will DROP significantly over copper, if you have optical cable (end to end) then maybe you can go a little further May 18, 2022 · I know that the SMB share being a single SSD could account for the difference in the SMB and windows iSCSI speeds (3. 0/24 freenas box port 2 <-> esx port 2; 10GbE full-duplex on both sides; subnet 10. Synthetic speed tests look ok. the win2k3 vm is only about 10GB in size and it says it will take 5hours to complete. Jul 2, 2014 · and "assumes this means 10gb cap" is incorrect, he's talking about the older connectx3 cards that only supported 10gbE ethernet. 2KB/s 00 Jan 7, 2011 · This is my first ESXI box as the rest of my cluster is on ESX, don't know if it makes a difference or not. 7. Jan 26, 2021 · On ESXi I created VM - Windows 10 with vmxnet3 nic and on a PC created 12GB ramdisk for tests. My network configure is LACP and my pnic is 10G Jun 12, 2017 · > Lenovo 3650 M5 512 GB-RAM with 10Gb Eth. Once the servers are up, they operate normally ( 10G ) and if I create a virtualized ESXi instance on one of the blades it PXE boots/installs quickly ( a few minutes for the entire process ). So that excuse the need of the 10GB card which I think VMWARE need to have as mandatory for the deployment of their new FT. I have 3 hosts running esxi 7. I have a pair of HPE servers as physical hosts running ESXi as our Virtual Machine environment hosting our VM servers. Perhaps someone has encountered this already. The download is proceeding at a extraordinarily Feb 26, 2021 · ESXi Hosts: running 7. Simple DAS on each server. 0b (build 16324942) When I change the MTU on the vSphere Distributed Switch to anything higher than 1500bytes, I will run into TCP connectivity issues: As I type this message I am transferring a VM of 7GB size from one vSphere server to another, initiated via vCenter, within the same LAN. Dec 12, 2015 · Help! I’ve iscsi’d and I can’t get speed. But the log traffic can easily reach the 150Mbps and peak so far the 250Mbps. x essentials. 5 minutes on the the same VM located on a slower VMW It's getting about 4. Feb 5, 2018 · for maxing out your 10Gb link did you mean 1. Jan 27, 2014 · FreeBSD doesn't go wirespeed on 10G NICs (without using large frames or tricks like netmap). 7u3 host with dedicated 4 x 10GbE NICs for Netapp traffic, using software iSCSI adapter, connected to 4 x 10GbE FAS2554 2 nodes cluster. Doing a high data read test on a VM, it took 8 minutes vs 1. If I start 2nd file transfer, the speed goes down Mar 14, 2020 · I am hunting down a similar perplexing situation. I set the Storage vSwitch to 9000 MTU. ESXi 8. 2-U8 Virtualized on VMware ESXi v6. As highlighted in the doc, the following results were acheived: A single one‐vCPU virtual machine can drive 8Gbps of traffic on the send path and 4Gbps traffic on the ESXi free does not support Jumbo Frames - although you can actually enable them during your initial evaluation period and have them stay enabled. Aug 22, 2017 · I have a Supermicro X10SDV-8C-TLN4F (Xeon D1541 3Ghz 8 Core, 16 Threads) with 64Gb RAM running ESXI 6. 0. That is everything on the 10. If I show at the veeam statistics, the bottleneck is the source: Source: 99% Proxy: 12% Network: 2% Target: 0% The Esxi is a Dell Poweredge T640, Raid 10, 8HDDs, 10k, SAS. Other: * All nic and switches are configure with jumbo frames. Jun 5, 2015 · We are currently running vCenter 6. I was very surpirsed to see that the amount of bandwidth that a guest can use. 80GHz 16GB Mirror Pool with 4 2TB Seagates The 10Gb NICs are Dell Broadcom 57810S Dual-Port 10GbE SFP+ with the latest drives installed. If I create a seperate LUN on the P4500 and attach it as a Virtual storage drive and run the same tests I get exponentially better speeds. All 3 hosts and NAS are connected with a dedicated Netgear 10Gb switch (low end model). 0/24 and your 10GB is 192. But yeah that's usually "good enough" in most instances on a 10Gb link. ) Hosts have two 10GB and Two 1GB NICS. The iS Mar 23, 2012 · Tests performed on 2 ESX hosts, Host A and Host B. The 10GBe switch is only for iSCSI traffic, everything else is on a 1GBe switch on 1GBe NICs. May 15, 2014 · 2 x 8 Port 10gbe Modules. Connect the host to the correct configured ports on the switches. Issue persists. ESXi still hasn't implemented pNFS and the extra overhead of doing a filesystem instead of block level access will slow things Mar 18, 2020 · Network: SolarFlare SFN6122F 10GbE, 2 x Intel GbE NICs HBA: LSI SAS9207-8i ESXi boot and datastores: 100GB Intel DC S3500 SSD + 512GB Samsung SM961 M. 0Ghz x all cores, water cooled Intel x520 10Gb SFP+ 2x Samsung 860PRO SATA SSDs in RAID 0 via Adaptec ASR7240 RAID controller MikroTik 10GB switch Trying to export VMs to OVF is either painfully slow or more often eventually fails. I upgraded my vCenter from 6. Even ssh into machine showing 10GB Why are my VM using VM Network only connecting at 1GB speeds? Oct 7, 2023 · Hi team, I have ESXi 6. ESXi host has a VM stored on 1st storage pool on Supermicro NAS. 10gb total with about 10,500 files. 1). 5 /w vCenter Ent+ Dell R720 w/ Intel 82599EB 10-Gigabit SFI/SPF+ Dell R620 w/ Intel 10G Nov 14, 2013 · I'm testing the vSphere Web Client, but I'm finding it unbearably slow - it takes almost 5 minutes just to log on, and every click after I'm in takes a good 30 seconds before the new page is done loading. So, I have a NAS (TrueNAS VM running on ESXi 6. QNAP TS-469U-RP NAS 4 x 4TB RAID 5. The host and VM are over provisioned for their workload IMO, but perform well and doesn’t give us problems. 0 subnet is 10Gbe and every device/switch is on the same VLAN with jumbo packets enabled (9000). 02 these are in a cluster with a dvswitch. Hi there, I'm running a virtualized pfSense instance (on ESXi) and trying to optimize my 10Gbe inter-VLAN routing. Switches/Routers: Use switches and routers that support 10GbE to avoid bottlenecks. Note the final sentence in this article (also copied here after the link). All involved machines using 10GbE and newest driver for the ethernet cards. 7 with 4 vCPUs and 128GB RAM Board: Supermicro X9DRi-LN4F+ with dual Intel Xeon E5-2680 v2 @2. Aug 19, 2018 · Hi, I’m trying to copy all the files off my ESXi host, as I’m migrating them to a new one, but the speeds are only 100 megabit on a gigabit connection. 168. On it you have the option to enable management traffic only on the ports you wish to use management traffic. Tests are performed from: a ESXi Windows VM Direct from a Proxmox host The ESXi host hardware is identical to the procmox host. the intel 10G driver(s) are good, but not great. VMs can reach 500MB/s between each other on different hosts without problems, but the hosts themselves cannot. Network Interface Cards (NICs): Ensure that both the server and client machines have 10GbE NICs. 25Gb - though still an improvement. We use Veeam Backup Server as proxy Server DELL RX7300 with RAID10, the Server is connected with 2 10GBit NIC link Aggregation the problem came first after we install ESX Update ESXi550-201512401-BG, ESXi550-201512402-BG Have anyone the same problem? thanks tok-tokkie Sep 12, 2023 · Intel Dual 10Gbe 82599 Issue was originally on Truenas 12, but while troubleshooting, I upgraded to 13. The PCIe card does need a kext patch starting from Big Sur, but the Thunderbolt adapter works natively in macOS and does not need any patches. So I've tested the following: For my test i used a 5 GB vmdk-file (thick). 0, Ryzen 2700x, 32GB Ram. I have kept it simple and kept FreeNAS and a CentOS 7 VM on the same host to take any issues with switches and cabling out of the picture. Have not encountered any PSoD either. I have tried adjusting the MTU size from 1500 to 9000 with no changes. I'll try the hot-add stuff - my first time dipping my toes in that <sigh> Nov 8, 2014 · We currently run ESXi 5. My ESXi Server: ESXi 7. 1x Samsung NVMe SSD 960 PRO 2Tb. Dual 10Gbe nics on each server, all connected to a Dell 10Gbe switch. there is great information on esxtop performance monitoring at yellow-bricks. What as well catched my mind: If I run the test with the loopback interface (localhost) as the target server, I only get the same poor throughput of about 2. 7 on my home lab server. Our recovery times seem to get stuck at 27MB/s. 8 with iperf) The thing is, when I transfer iso files or anything to the datastore, it only transfers at 1G speeds, and that is writing to and SSD storage. Can anybody help me out please? Best regards Aug 28, 2023 · So we bought additionally a HPE 530SFP+ Dual 10G Adapter, which is used in the other ESXi (6. 10G Ethernet is also distance dependent. 3 box has an Intel X540T1 card added to it. 5. Apr 30, 2015 · Slow cold migration over 10GB network. May 24, 2012 · we have had very slow migrations for a few months now. This limitation is also present in other SCP/SSH implementations. All the guests which have windows 2012 or above can transfer data above 1G with each other as shown in below pic. Since I don't have shared storage, I have to perform a full migration and noticed that my speeds are roughly 20MB/s when doing so. Dec 26, 2015 · 10Gb onboard NIC. Jan 4, 2016 · Situation: 9 esxi v. Option 2: Single vSphere Distributed Switch Configure a vDS with uplink port groups for the 10GbE and 1GbE ports. May 29, 2022 · There are driver for this chipset in the OS, in fact Mac Pro uses this exact chipset for 10GbE. What you have is a vmkernel port. 3. 03GBps for storage performance. The strangest (to me) part is that even VM → VM iperf on the same Jan 26, 2012 · The SAN has a Brocade 1020 CNA for 10Gbe in each node. I ran into this a few months back and posted a crazy man thread as i was in the middle of a few things after a 15 hour day. May 29, 2020 · The reason behind slow SCP from/to ESXi over a WAN is a small receiving buffer. 10gbe network, slow in one direction! Solved I have two Mellanox ConnectX2 cards each installed in a desktop computer (Windows 11), both are in an 8X PCIe slotThe computers are connected directly to each other using a DAC cable. In order to achieve this goal I purchased the following items: MikroTik CRS305-1G-4S+IN 10GbE switch (2x) Mellanox MCX311A-XCAT CX311A ConnectX-3 10GbE NIC’s Aug 28, 2018 · Is the non-freenas host ESXi? If so, you can do this. Adapters > VmWare ESXi 6. 5 to 6. According to my 10GB switch's statistics for the two vMotion/Provision ports - one for the source host, the other for the destination, I am barely breaking 20Mbps. Typically then, what sort of performance is normal for a VM's first backup? Jan 5, 2021 · We recently upgraded all of our vmware esxi 6. 0, the transfer rate is about 724KB/sec or about 1% utilization of gigabit nic when converting a virtual win2k3 VM to esx server at the file level disk copy. Gigabyte Gigabyte GB-BRR7H-4800 Ryzen 7 4800u 64GB DDR4 memory Multiple 2. I am using 1 meter DAC SFP+ cables. It starts off really great and speed drops to a crawl. 2 GHz. 5 and have found that 10Gbe networking to be poor. Nov 12, 2011 · I'm testing ESXi 5. I have a powerful (16core Threadripper, 128G of RAM) Windows 10 machine connected to a hi-power (32core Threadripper, 256G of RAM) Ubuntu Linux machine via 10GBE network. 5U1/U2 vCenter 6. 5 is connected to a 10Gbit Intel-nic, the backupserver uses the same Nic. (i7 2600 on intel motherboard) The VMs are running fine, all stored on SSD. 1-U7 Intel(R) Xeon(R) CPU E5-2403 0 @ 1. As SCP/SSH works over TCP, every time the remote buffer fills, it sends an acknowledgement packet to the sending end. When I run iperf, I usually see ~9 Gbps if the Linux client is testing the FreeNAS server, and ~3 Gbps if the FreeNAS client is testing the Linux server: I have two Intel X520-DA2 PCI-Express 10GB SFP+ Dual Port adapters which are currently directly attached to one another via direct attached copper SFP+ cables. 7 hosts each with dedicated storage and both are connected to a Unifi-48-500W switch over SFP+. Unfortunetly copying 10GB file i get max 300 MB/s… My question is why it is so slow? May 1, 2009 · ESXi isn't this slow, so there is a hardware/config problem somewhere. ksudqorelwhmwcwaryveotegamvkgemnltbdmjgjrqtfjqbgszpr