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NEWS: Mention notable changes

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Add entries for deprecation_behavior, improving of errors from virsh's
snapshot helpers and other bugfixes.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Peter Krempa 2021-04-27 15:34:15 +02:00
parent 16042d6849
commit 77bc347c49
1 changed files with 48 additions and 0 deletions
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@ -35,10 +35,58 @@ v7.3.0 (unreleased)
``nodedev-list`` only lists active devices by default. Inactive device ``nodedev-list`` only lists active devices by default. Inactive device
definitions can be shown with the new ``--inactive`` and ``--all`` flags. definitions can be shown with the new ``--inactive`` and ``--all`` flags.
* qemu: Allow use of qemu's ``-compat`` option
Curious developers or testers now can enable certain ``-compat`` modes which
allow to notice use of deprecated commands and options as qemu will use the
selected method to notify the user. The new behaviour can be requested using
either the ``deprecation_behavior`` option in ``qemu.conf`` for all VMs or
using ``<qemu:deprecation behavior='...'/>`` in the VM XML.
* **Improvements** * **Improvements**
* virsh: Improve errors with ``virsh snapshot-create-as``
The XML document constructed by virsh was forced through XML schema
validation which yielded unintelligible error messages in cases such as
when the path to the new image did not start with a slash. XML documents
are no longer validated as the XML parser actually has better error
messages which allow users to figure the problem out quickly.
* qemu: Terminate backing store when doing a full-chain block pull
When pulling everything into the overlay image the chain can be terminated
since we know that it won't depend on any backing image and thus can prevent
attempts to probe the backing chain.
* **Bug fixes** * **Bug fixes**
* qemu: Fix crash of libvirt on full block pull of a disk
When the persistent definition contains a compatible disk (meaning the
definition of the running and persistent config match) a block pull job
would leave a dangling pointer in the config definition which resulted
in a crash.
* qemu: Use proper job cancelling command
Libvirt's API contract for aborting a block copy job in 'ready' state
declares that the destination image of the copy will contain a consistent
image of the disk from the time when the block job was aborted. This
requires that libvirt uses the proper cancelling qemu command to ensure
that the data is consistent which was not the case.
* qemu: Don't attempt storage migration when there are no migratable disks
Due to a logic bug introduced in the previous release libvirt would attempt
to migrate disks in case when no disks are selected/eligible for migration.
* qemu: Fix very rare race when two block job 'ready' events are delivered
In certain high-load scenarios, qemu might deliver the 'ready' event twice
and if it's delivered when pivoting to the destination during a block copy
job, libvirt would get confused and execute the code as if the job were
aborted.
v7.2.0 (2021-04-01) v7.2.0 (2021-04-01)
=================== ===================