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[Backport release-1.7] fix(linstor): mark volumes restored from a snapshot DRBD-initialized - #5020
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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. Link: LINBIT/linstor-server@9d8cdf5 Closes: #4862 Assisted-by: LLM Signed-off-by: Aleksei Sviridkin <[email protected]> (cherry picked from commit e5689e2)
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IvanHunters,
Andrei Kvapil (kvaps),
Aleksei Sviridkin (lexfrei),
Timofei Larkin (lllamnyp),
mattia-eleuteri,
myasnikovdaniil and
Kirill Ilin (sircthulhu)
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October 21, 2026 09:17
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Description
Backport of #4866 to
release-1.7.