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Osier Yang
b4c3be5943
conf: Assign newDef of active domain as persistent conf if it is NULL
Libvirt loads the domain conf from status XML if it's running when starting up. The problem is there is no record of the original conf. (dom->newDef is NULL here). So libvirt won't be able to restore the domain conf to original one when destroying/shutdown. E.g. 1) attach a device without "--persistent" 2) restart libvirtd 3) destroy domain 4) start domain One will see the the disk still exists. This patch is to fix the peoblem by assigning persistent domain conf to dom->newDef if it's NULL and the domain is running.
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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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