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NEWS: mention zero detection for non-shared-storage migration
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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NEWS.rst
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NEWS.rst
@ -17,6 +17,17 @@ v10.9.0 (unreleased)
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* **New features**
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* **New features**
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* qemu: zero block detection for non-shared-storage migration
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Users can now request that all-zero blocks are not transferred when migrating
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non-shared disk data without actually enabling zero detection on the disk
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itself. This allows sparsifying images during migration where the source
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has no access to the allocation state of blocks at the cost of CPU overhead.
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This feature is available via the ``--migrate-disks-detect-zeroes`` option
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for ``virsh migrate`` or ``VIR_MIGRATE_PARAM_MIGRATE_DISKS_DETECT_ZEROES_ZEROES``
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migration parameter. See the documentation for caveats.
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* **Improvements**
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* **Improvements**
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* qemu: internal snapshot improvements
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* qemu: internal snapshot improvements
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