Mastering Development System & Network

iotune qemu/KVM total_iops total_bytes limits

I have created some qemu/KVM virtual machines on SSDs. The host has ~6 SSDs. 1 is being used for the OS, and each of the other SSDs has two VM guests. I’m using iotune to limit the capabilities of these drives: <disk type=’file’ device=’disk’> <driver name=’qemu’ type=’raw’ cache=’writeback’ io=’threads’/> <source file=’/var/lib/libvirt/images/sdd/pz/heavy/virtual-machine-1/os.img’ aio=”/> <target dev=’vda’ bus=’virtio’/> […]