Hi Strahil and Gianluca, Thank you guys so much for getting back to me.
I was using e1000 for VMs, not physical servers. Much appreciated for your suggestions and I've turned to virtio and would redo the stress testing. Hope everything works fine. 😀 Happy new year. Regards, Joey On Thu, Dec 31, 2020 at 9:32 PM Gianluca Cecchi <gianluca.cec...@gmail.com> wrote: > On Thu, Dec 31, 2020 at 8:04 AM Strahil Nikolov via Users <users@ovirt.org> > wrote: > >> Are you using E1000 on the VMs or on the Host ? >> If it's the second , you should change the hardware . >> >> I have never used e1000 for VMs as it is an old tech. Better to install >> the virtio drivers and then use the virtio type of NIC. >> >> Best Regards, >> Strahil Nikolov >> >> [snip] > >> >> Hi folks, >> >> Happy holidays. >> >> I'm having an urgent problem :smile: . >> >> I've installed oVirt 4.4.2 on CentOS 8.2 and then created several Windows >> 7 vms for stress testing. I found that the heavy network load would lead to >> the e1000 net card NOT able to receive packets, it seemed totally blocked. >> In the meantime, packet sending was fine. >> >> Only re-enabling the net card can restore the network. Has anyone also >> had this problem? Looking forward to your insights. Much appreciated. >> >> >> Best regards, >> Joey >> >> >> > You should follow what described here that seems somehow updated because > the previously "oVirt Guest Tools" iso is no longer referred there. > > > https://www.ovirt.org/documentation/virtual_machine_management_guide/#chap-Installing_Windows_Virtual_Machines > > In practice you have to install the virtio-win rpm package on your engine > (now at 1.9.14.4 version) and then upload the file > /usr/share/virtio-win/virtio-win.iso (actually a link to the exact release > version file) as a disk to a storage domain > > Then you can attach the iso to the VM and inside the iso you will find > under the NetKVM directory some subdirs for the different os versions and > w7 (with both x86 and amd64 subdirs) is still there. > To use drivers for paravirtualized network devices you have to choose > VirtIO as the type of the network interface in web admin gui for the VM and > probably reconfigure it inside the OS because it will be detected as a new > one and will lose previous configuration. > You can also use (at install time or later) paravirtualized drivers for > disks. > > HIH, > Gianluca > > >
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