On 12/12/18 15:29, John Stoffel wrote: > So it should be there, but looking at your partitions, I don't see > /dev/sdd1 at all, which makes me go hmmm... I remember a previous problem someone had like this. Although we never got to the bottom of "why", something had zapped the partition table, and as soon as the partitions were recreated, the raid and everything else just re-appeared. So provided the disks have been backed up, that sounds like an approach to try. Cheers, Wol