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Jiri Denemark 2cc27c34be sanlock: Forbid VIR_DOMAIN_LOCK_FAILURE_RESTART
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>
2014-03-25 09:08:39 +01:00
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         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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