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Libvirt native C API and daemons
00bb850eb0
When doing an external snapshot we migrate memory to a file as a form of taking the memory state. This creates a problem as qemu deactivates all active bitmaps after a successful migration. This means that calling 'query-named-block-nodes' will return an empty list of bitmaps for devices. We use the bitmap list to propagate the active bitmaps into the overlay files being created which is required for backups to work after a snapshot. Since we wouldn't propagate anything a subsequent backup will fail with: invalid argument: missing or broken bitmap 'testchck' for disk 'vda' To fix this, we can simply collect the bitmap list prior to the migration. https://bugzilla.redhat.com/show_bug.cgi?id=1862472 Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> |
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| config-post.h | ||
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| CONTRIBUTING.rst | ||
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| mingw-libvirt.spec.in | ||
| NEWS.rst | ||
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==============================
Libvirt API for virtualization
==============================
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.
For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the
website:
https://libvirt.org
License
=======
The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.
Installation
============
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
============
The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
=======
The libvirt project has two primary mailing lists:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html