On a Thursday in 2024, Peter Krempa wrote:
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- NEWS.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 7f4f33c8f8..7a4a0e1d1f 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -17,6 +17,17 @@ v10.9.0 (unreleased) * **New features** + * qemu: zero block detection for non-shared-storage migration + + Users can now request that all-zero blocks are not transferred when migrating + non-shared disk data without actually enabling zero detection on the disk + itself. This allows sparsifying images during migration where the source + has no access to the allocation state of blocks at the cost of CPU overhead. + + This feature is avaliable via the ``--migrate-disks-detect-zeroes`` option
*available Jano
+ for ``virsh migrate`` or ``VIR_MIGRATE_PARAM_MIGRATE_DISKS_DETECT_ZEROES_ZEROES`` + migration parameter. See the documentation for caveats. + * **Improvements** * qemu: internal snapshot improvements -- 2.47.0
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