I hope it will work without too many headache. Reset the bcedit settings to not boot again in safe mode, but in normal mode:
GPT VS MBR SPEED TEST DRIVERS
Since there is now a miniport installed to use it, the kernel will now make it part of the drivers that are to be loaded on boot and not disable it again.Ĥ.
Once booted in safe mode it is reported that all boot-start drivers will be enabled and loaded, including the virtio driver. Shutdown the vm and make the changes to the vm template to switch the boot disk from sata to virtio Now you could think that switching the boot disk from sata to virtio would work, but it seems (from what I'm reading in internet) that it's not the case for win 10 vms.Ī user suggest (after you installed the virtio drivers for the new disk):Ģ.
GPT VS MBR SPEED TEST INSTALL
Then, add a new ide cd-rom to the vm pointing to the virtio iso disk (freely downloadable), which contains all the virtio drivers.Īdd a new virtio disk, but leave the boot disk as sata.īoot the vm and install the virtio drivers for the new added disk. I didn't try the last step, so take it as a suggestion, at least that was what I would do if I were you.įirst of all, backup (vm template and virtual boot disk)! I tried this step so I was sure about the instructions. So i did that but the speed is the same, how would i convert that to use Virtio bus? Is there a way to fix the performance ? or maybe a way to convert them to work with OVMF and VirtIO because it feels like drivers issueįreshly installed fast XML.txt slow XML.txtġctower-diagnostics-20210820-1358.zip Edited Octoby Xcage I did test and created new VM just now with OVMF and i440 and primary vdisk bus Virtio and the performance there is about 80-85% of bare metals speeds on NVME drive.Īttached 2 xmls one of freshly installed VM which works fine but doesnt help because i would need to rebuild the VM and its an issueĪnd XML of a slow VM which i ran from the same Cache NVME but using seabios q3.5 and primary vdisk bus as SATA I tested them with separate disks be that SSD or NVME the performance is horrible.
The VMs were originally copied from real WIN10 Machines using disk2VHD, then converted to qcow2Īnd those boot only with seabios with primaryVdisk bus set to SATA (ive 3 images like that, different sizes, all with performance issues)
I am experiencing real bad disk speeds on win10 VMs - AS SSD Benchmark even the sequential test stutters and is never above 80-90mbps.
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