KVM slow guest i/o
- by Akarot
Host:
Debian 6.0 (squeeze) with qemu-kvm and libvirt from squeeze-backports
ii qemu-kvm 1.0+dfsg-8~bpo60+1
ii libvirt-bin 0.9.8-2~bpo60+2
Has 3TB sata drives with software raid and lvm. It has a sequential write speed of ~140MB/s measured with dd bs=1M count=512 if=/dev/zero of=test…