JoaoJandre commented on code in PR #13020:
URL: https://github.com/apache/cloudstack/pull/13020#discussion_r3169414453
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PendingReleaseNotes:
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@@ -39,3 +39,17 @@ example.ver.1 > example.ver.2:
which can now be attached to Instances. This is to prevent the Secondary
Storage to grow to enormous sizes as Linux Distributions keep growing in
size while a stripped down Linux should fit on a 2.88MB floppy.
+
+4.22.0.0 > 4.22.0.1:
+ * Disk-only instance snapshots for KVM UEFI VMs now include a sidecar copy of
+ the active NVRAM state so revert operations restore both disk and firmware
+ boot state consistently.
+
+ * UEFI disk-only instance snapshots taken before this change do not contain
an
+ NVRAM sidecar and cannot be safely reverted. Take a new snapshot after
+ upgrading before relying on revert for UEFI VMs.
+
+ * Taking a disk-only instance snapshot for KVM UEFI VMs now briefly suspends
+ the guest while the NVRAM sidecar is copied, so that the captured firmware
+ state is consistent with the disk snapshot. Non-UEFI VMs are unaffected and
+ continue to snapshot live.
Review Comment:
Thanks
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