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https://bugzilla.redhat.com/show_bug.cgi?id=905282 https://bugzilla.redhat.com/show_bug.cgi?id=967494 When lock failure is detected by sanlock, our sanlock_helper kill script will try to restart (shutdown followed by start) the affected domain when RESTART action is configured for it. While shutting down kills QEMU and removes all its leases (which is what sanlock wants to happen), trying to start it again just hangs because libvirt tries reacquire the locks in the failed lock space. Hence, this action cannot be supported by sanlock driver. Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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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