A TrueNAS Scale upgrade caused a RAIDZ1 pool to become unimportable despite all disks being present and readable, with every import attempt failing with "EZFS_BADDEV - devices unavailable" even though the pool metadata shows as ONLINE.

TrueNAS General
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Thanks , im testing UFS Explorer RAID Recovery , i did quick scan and i can see my exacts folders and data , Hopefully can recover

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Recover folders