On Wed, Jul 28, 2021 at 2:51 PM <regl...@gmail.com> wrote: > I recently installed a Windows 10 VM under oVirt 4.4.5.11-1.el8 > > Also installed the drivers using "virtio-win-1.9.16.iso" (Then > re-installed them after updates just in case it helped) > > I found a similar complaint with VMWare ( > https://communities.vmware.com/t5/VMware-Workstation-Pro/vmware-workstation-100-disk-usage/td-p/2704870 > ) > > So I looked into that and made a registry change for the AHCI controller, > as well as setting the 'viodiskcache' to write-back (Seen in another thread > on here) - those two changes seemed to help.. marginally. But not much at > all. > > When I do just about anything, disk usage spikes to 100% and stays there > for quite a while. Write speeds rarely break 100kb/sec. > > Not even sure what to look for next. My Linux VMs don't seem to have this > issue and the host it's running on is barely working at all. CPU and memory > stay close to unused. oVirt didn't show a lot, but in task manager in the > Windows VM - you can see disk queue just pegged completely. > > I've given the VM 6GB of RAM, so that's not it. I even turned off paging > in the Windows VM as well, to no avail. > > This is an example of disk usage, just opening 'Groove Music' for the > first time. > > https://i.postimg.cc/FRLq28Mw/Disk-Activity.png > > > > Any ideas? :) >
Hello, I've got a number of Windows 7/8/10 and 16 VMs running on a number of different oVirt clusters, ranging from single host setups (NFS localhost storage) up to multiple-host setups (Gluster storage) and I'm not seeing any performance issues. Can you share additional information concerning the host, storage and VM configuration? - Gilboa
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