On 10/22/2013 09:49 AM, Olivier Sallou wrote: > Hi > I have set up virtio on a Debian recent image (and guest has drivers > loaded) but I face some perf issues (frequent freezes with kernel errors). > > I looked at open nebula generated template and I see in deployment file: > > <disk type='file' device='disk'> > <source file='/var/lib/one//datastores/0/697/disk.0'/> > <target dev='vda'/> > <driver name='qemu' type='raw' cache='none'/> > </disk> > > My disk is correctly mounted as vda, but I do not see any "virtio" > reference in the VM template, is it fine ? > > In kvm command line I see drive related info: > > ... -drive > file=/var/lib/one//datastores/0/697/disk.0,if=none,id=drive-virtio-disk0,boot=on,format=raw,cache=none > -device > virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0 Loooking at KVM/virtio doc, it seems that we should have for disk: file=...,if=virtio
I wonder why open nebula does not set it while target is correctly set to vda ? Where/what should I check in my config/setup to get virtio working correctly? Thanks Olivier > > Is configuration ok (and I should investigue somewhere else) or is there > an issue with my config ? > > In Image template I have DEV_PREFIX=vd. > > I use OpenNebula 4.2.0 > > > 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
