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4132dede06
This should resolve: https://bugzilla.redhat.com/show_bug.cgi?id=924672 For BZ 924672 the problem stems from the fact that thin pool logical volume devices show up in /sbin/lvs output just like normal logical volumes do. Libvirt incorrectly assumes they are just normal logical volumes and that they will have a corresponding /dev/vgname/lvname device that has been created by udev and tries to use this device. To illustrate here is an example of the /dev/vgname/ directory and the lvs output for a normal lv, thin lv, and thin pool: LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert lv vgguests -wi-a---- 1.00g pool vgguests twi-a-tz- 11.00g 0.00 thinlv vgguests Vwi-a-tz- 1.00g pool 0.00 total 0 lrwxrwxrwx. 1 root root 7 Oct 8 19:35 lv -> ../dm-7 lrwxrwxrwx. 1 root root 7 Oct 8 19:37 thinlv -> ../dm-6 This patch modifies virStorageBackendLogicalMakeVol() to ignore thin pool devices.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>