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https://bugzilla.redhat.com/show_bug.cgi?id=1346566 If libvirt_parthelper is erroneously told to append the partition separator 'p' onto the generated output for a disk pool using device mapper that has 'user_friendly_names' set to true, then the error recovery path will fail to find volume resulting in the pool being in an unusable state. So, augment the documentation to provide the better hint that the part_separator='yes' should be set when user_friendly_names are not being used. Additionally, once we're in the error path where the returned name doesn't match the expected partition name try to see if the reason is because the 'p' was erroneosly added. If so alter the about to be removed vol->target.path so that the DiskDeleteVol code can find the partition that was created and remove it.
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>