Here http://opennebula.org/documentation:archives:rel3.6:kvmg#virtio
In OpenNebula use DEV_PREFIX to specify the bus (hd = IDS, sd = SCSI, vd = virtio, etc..) Cheers Ruben On Thu, Jan 31, 2013 at 11:58 AM, Olivier Sallou <[email protected]>wrote: > Hi, > I"d like to know how to setup my conf to use virtio for disks. > > For the moment, my conf and templates where set to DISK BUS = IDE. But I > found that my disk accesses are quite slow. > > I tried to change my template to: > DISK > > > BUS virtio > But I see no difference. > > Looking at kmv process I see: > 111 904 1 26 11:49 ? 00:00:51 /usr/bin/kvm -S -M pc-0.12 > -enable-kvm -m 2048 -smp 1,sockets=1,cores=1,threads=1 -name one-570 -uuid > b4178b7d-1b4c-7bd0-992e-bcecc5cef875 -nodefaults -chardev > socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-570.monitor,server,nowait > -mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot c > -drive > file=/var/lib/one//datastores/0/570/disk.0,if=none,id=drive-ide0-0-0,format=raw > -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -drive > file=/var/lib/one//datastores/0/570/disk.1,if=none,media=cdrom,id=drive-ide0-0-1,readonly=on,format=raw > -device ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -device > rtl8139,vlan=0,id=net0,mac=00:04:c0:a8:02:14,bus=pci.0,addr=0x3 -net > tap,fd=20,vlan=0,name=hostnet0 -usb -vnc 0.0.0.0:570 -k fr -vga cirrus > -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 > > > I see that the drive definition is always if=none (-drive > file=/var/lib/one//datastores/0/570/disk.0,if=none). Should not it be set > to if=virtio ? > > Thanks > > Olivier > > -- > Olivier Sallou > IRISA / University of Rennes 1 > Campus de Beaulieu, 35000 RENNES - FRANCE > Tel: 02.99.84.71.95 > > gpg key id: 4096R/326D8438 (keyring.debian.org) > Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438 > > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > -- Ruben S. Montero, PhD Project co-Lead and Chief Architect OpenNebula - The Open Source Solution for Data Center Virtualization www.OpenNebula.org | [email protected] | @OpenNebula
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