Hi Olivier, target=vda means it's using virtio. You are actually probably using virtio.
what happens if you do from inside the VM: # /sbin/lsmod | grep virtio # find /sys/devices/virtio* cheers, Jaime On Thu, Oct 24, 2013 at 11:03 AM, Olivier Sallou <[email protected]>wrote: > > 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 > -- Jaime Melis Project Engineer OpenNebula - Flexible Enterprise Cloud Made Simple www.OpenNebula.org | [email protected]
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