Thank you Andreas. But this disk was not in the raid for almost 2 month. I replaced the disk by one of 3 disk i have now in the raid. This old disk is too much off from the raid i was using heavily till yesterday when i started to do stupid things :/ 2016-09-21 19:15 GMT+02:00 Andreas Klauer <Andreas.Klauer@xxxxxxxxxxxxxx>: > On Wed, Sep 21, 2016 at 06:56:43PM +0200, Simon Becks wrote: >> Data Offset : 2048 sectors > > Your RAID disks have a 1 MiB data offset there. > If nothing was ever written on the XFS filesystem, > it might still be intact. > > If you have an overlay for these disks you can try your luck > with mdadm --create /dev/md42 --metadata=1.2 --data-offset=1M --chunk=512 --level=5 ... > --assume-clean /dev/overlay/disk{1,2,3} > > Check --examine if it says the same things for device size. > You already verified partitions should be the same but still... > > Then see if there is data on it or no (even if there is no filesystem, > try a carver like photorec, if it gets an intact file larger than 3*512K > the raid settings might be correct). > > photorec won't work if the data was encrypted. > > If there is no data, try a different disk order if you're not sure you got it right. > > Good luck > Andreas Klauer -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html