Hi Muhammad
You can stop the VM and in the settings you can use "nicAdapter" And value "virtio" Start the VM and check, if the drivers are present it should have used virtio in the Guest OS Thanks Nischal On Thu, 5 Dec, 2024, 4:21 am Muhammad Hanis Irfan Mohd Zaid, < hanisirfan.w...@gmail.com> wrote: > Okay I can edit the VM XML to use virtio NIC model instead. > > https://askubuntu.com/questions/552036/where-is-the-list-of-supported-device-emulations-in-kvm > > But, is there an option on the UI/API to select NIC model during/after VM > creation? If not, maybe a new feature that can be added in future versions. > My suggestion since CloudStack UI looks more like a public cloud use, to > allow changing the model only by Administrators. > > On Wed, 4 Dec 2024, 12:36 Muhammad Hanis Irfan Mohd Zaid, < > hanisirfan.w...@gmail.com> wrote: > > > I have a VM running Windows Server 2022 on a KVM hypervisor. Currently, > > it's using Intel PRO/1000 MT as the network adapter. I would like for it > to > > use VirtIO NIC as I've already installed the necessary drivers and QEMU > > agent. How can I do it? Based on this ( > > > https://users.cloudstack.apache.narkive.com/wDIB00YQ/how-do-you-customize-cs-vms-on-kvm > > ): > > > > > > > > > > > > *Normally (at least with KVM):- The base disk (OS) will be IDE- All extra > > disks will be VirtIO- Networking depends on the 'OS Type' (not sure where > > this is defined atthe backend)- To use VirtIO Networking, select the OS > > Type of 'Other PV (xx-bit)'* > > > > Any way to change the defaults? > > > > Another question is regarding Ceph RDB performance for primary storage. > > We've a virtualized Ceph cluster running on vSphere (I know is not the > best > > setup). The underlying ESXi is running at least 10G NICs. The Ceph VMs > are > > using VMXNET3 for its NIC, and SCSI controller for the disks. vSphere > > datastore is using iSCSI SAN from Dell with, maybe as I remembered, > 7200RPM > > HDDs. 5 Ceph nodes, 2 OSD (1 TiB) each. I'm getting around 11 MiB Client > > Throughput at most on Ceph. I felt quite significant slow performance for > > operations e.g. converting snapshot/volume to template, launching new VMs > > etc. > > > > Any thoughts? > > >