* Marc Haber <mh+qemu-de...@zugschlus.de> [2010-09-13 03:56]: > Hi John and Ryan, > > On Tue, Jun 29, 2010 at 01:33:33PM -0500, Ryan Harper wrote: > > We've got a sysfs 'serial' attribute for virtio-blk devices upstream[1]. > > I've got udev support for using this attribute to create disk/by-id (and > > a fix for by-path) symlinks[2]. All that remains is to > > re-spin/post the qemu virtio-blk serial patches[3] and get that in and > > we'll have the full stack working as I've already tested libvirt (which > > has disk serial support). > > How is this going to work once the patches have been applied? Even > qemu 0.11's -drive definition allows a serial= option, but currently > (qemu-kvm 0.12.5, and 2.6.35.4 in the guest) the string passed to it > isn't seen anywhere in the guest's /sys/block/vda.
It'll only be available to guests launched with newer qemu (0.13) as virtio-blk serial support is a new feature. > > My test call was > kvm -cdrom ~/bigstuff/grml64-small_sid_20100913.iso \ > -drive file=test.qcow2,if=virtio,media=disk,serial=foo > > Greetings > Marc > > -- > ----------------------------------------------------------------------------- > Marc Haber | "I don't trust Computers. They | Mailadresse im Header > Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834 > Nordisch by Nature | How to make an American Quilt | Fax: *49 3221 2323190 -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx ry...@us.ibm.com
