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[Backport release-1.6] fix(linstor): mark volumes restored from a snapshot DRBD-initialized - #5077
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linstor-csi restores a snapshot on one node and autoplaces the other replicas. In LINSTOR v1.33.3 the restored volume definition has no DRBD_INITIALIZED flag, so the initial UpToDate race is still open, and Linstor/Drbd/InitialUptoDateOn, copied from the source volume through the snapshot, names the node that won it for the source. When a replica is autoplaced on that node, the empty new volume wins the race: it gets a random current UUID and a fresh filesystem, and goes StandAlone against the restored replica. A pod attached there sees an empty volume. Backport the upstream fix, released in LINSTOR v1.34.0, which sets the flag on a restore unless the resource definition asks for new metadata through ForceInitialSyncPermanent, as a backup does. Nothing wins the race any more, and an autoplaced replica resyncs from the restored one like any replica added to an existing volume. The patches README conflicted, because main also lists native-protoc.diff there and this branch has no such patch. Only the new entry is taken. Link: LINBIT/linstor-server@9d8cdf5 Closes: #4862 Assisted-by: LLM Signed-off-by: Aleksei Sviridkin <[email protected]> (cherry picked from commit e5689e2) Signed-off-by: Myasnikov Daniil <[email protected]>
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October 23, 2026 15:00
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What this PR does
Backport of #4866 to release-1.6.
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Not a UI change.
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