On Sat, Dec 24 2016, Giuseppe Bilotta wrote: > > > So the array assembles, and raid6check reports no error, but the data > is actually inaccessible .. am I missing other aspects of the metadata > that need to be restored? Presumably, yes. If you provide "mdadm --examine" from devices in both the "working" and the "not working" case, I might be able to point to the difference. Alternately, use "mdadm --dump" to extract the metadata, then "tar --sparse" to combine the (sparse) metadata files into a tar-archive, and send that. Then I would be able to experiment myself. NeilBrown
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