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# longhorn-storagea
adamant-kite-43734
06/29/2023, 5:49 PMThis message was deleted.
q
quiet-area-89381
06/29/2023, 5:59 PMrestarting the pod that uses the PVC took care of triggering the rebuild of the missing replica.
I also don't seem to see anytmore the warnign for an unknown replica.
quiet-area-89381
06/29/2023, 6:00 PMWhat I see on the host is that the actual device supporting the longhorn volume reports I/O superblock errors.
quiet-area-89381
06/29/2023, 6:00 PMerror is only for that specific longhorn volume (called sdh on the host).
quiet-area-89381
06/29/2023, 6:12 PMSo all is back to normal now and I need to investigate the root cause. It happened with another user/PV too.
f
famous-shampoo-18483
06/30/2023, 3:26 AMThis log typically means that there is something wrong with the replica or users manually delete the replica hence Longhorn will clean it up. This is a symptom rather than the cause of the replica failure.
After replica failure or when the volume becomes degraded, Longhorn will automatically try to reuse the old replica. If it does not work, Longhorn will launch and rebuild new replica instead. Ideally you don’t need to handled failed replica cleanup and the following rebuilding at all.
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