On Tue, Oct 25, 2016 at 10:45:12AM +0300, Nicolas Nicolaou wrote: > Below you can see the mdadm —examine information for the 4 drives. The output doesn't seem to be formatted correctly, hard to read. Also you posted only 2 of 4 disks, for two different RAIDs, with different metadata (1.0 vs. 0.90), creation times... Basically this is too confusing to say anything about it. Did you pick the correct devices? > /dev/sda3: > Magic : a92b4efc > Version : 1.0 > Array UUID : 11d32674:4247f385:74ee352b:5e4c22c7 > Creation Time : Wed Jan 9 02:29:02 2013 > Raid Level : raid5 > Raid Devices : 4 > /dev/sdb3: > Magic : a92b4efc > Version : 00.90.00 > UUID : 3fe6d5d4:5b9d61f2:4f7ddb81:e4ae2138 > Creation Time : Thu Jun 7 19:50:56 2012 > Raid Level : raid5 Regards 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