I heart that -force could be result in more problems - right? i do asswell: mdadm -Af -vv /dev/md2 mdadm: looking for devices for /dev/md2 mdadm: cannot open device /dev/md/1: Device or resource busy mdadm: /dev/md/1 has wrong uuid. mdadm: cannot open device /dev/md/0: Device or resource busy mdadm: /dev/md/0 has wrong uuid. mdadm: /dev/sdf4 has wrong uuid. mdadm: cannot open device /dev/sdf3: Device or resource busy mdadm: /dev/sdf3 has wrong uuid. mdadm: cannot open device /dev/sdf2: Device or resource busy mdadm: /dev/sdf2 has wrong uuid. mdadm: no RAID superblock on /dev/sdf1 mdadm: /dev/sdf1 has wrong uuid. mdadm: cannot open device /dev/sdf: Device or resource busy mdadm: /dev/sdf has wrong uuid. mdadm: /dev/sde4 has wrong uuid. mdadm: cannot open device /dev/sde3: Device or resource busy mdadm: /dev/sde3 has wrong uuid. mdadm: cannot open device /dev/sde2: Device or resource busy mdadm: /dev/sde2 has wrong uuid. mdadm: no RAID superblock on /dev/sde1 mdadm: /dev/sde1 has wrong uuid. mdadm: cannot open device /dev/sde: Device or resource busy mdadm: /dev/sde has wrong uuid. mdadm: /dev/sdc4 has wrong uuid. mdadm: cannot open device /dev/sdc3: Device or resource busy mdadm: /dev/sdc3 has wrong uuid. mdadm: cannot open device /dev/sdc2: Device or resource busy mdadm: /dev/sdc2 has wrong uuid. mdadm: no RAID superblock on /dev/sdc1 mdadm: /dev/sdc1 has wrong uuid. mdadm: cannot open device /dev/sdc: Device or resource busy mdadm: /dev/sdc has wrong uuid. mdadm: /dev/sdd4 has wrong uuid. mdadm: cannot open device /dev/sdd3: Device or resource busy mdadm: /dev/sdd3 has wrong uuid. mdadm: cannot open device /dev/sdd2: Device or resource busy mdadm: /dev/sdd2 has wrong uuid. mdadm: no RAID superblock on /dev/sdd1 mdadm: /dev/sdd1 has wrong uuid. mdadm: cannot open device /dev/sdd: Device or resource busy mdadm: /dev/sdd has wrong uuid. mdadm: /dev/sdb4 has wrong uuid. mdadm: cannot open device /dev/sdb3: Device or resource busy mdadm: /dev/sdb3 has wrong uuid. mdadm: cannot open device /dev/sdb2: Device or resource busy mdadm: /dev/sdb2 has wrong uuid. mdadm: no RAID superblock on /dev/sdb1 mdadm: /dev/sdb1 has wrong uuid. mdadm: cannot open device /dev/sdb: Device or resource busy mdadm: /dev/sdb has wrong uuid. mdadm: /dev/sda4 has wrong uuid. mdadm: cannot open device /dev/sda3: Device or resource busy mdadm: /dev/sda3 has wrong uuid. mdadm: cannot open device /dev/sda2: Device or resource busy mdadm: /dev/sda2 has wrong uuid. mdadm: no RAID superblock on /dev/sda1 mdadm: /dev/sda1 has wrong uuid. mdadm: cannot open device /dev/sda: Device or resource busy mdadm: /dev/sda has wrong uuid. it looks strang die device should sdX4... -- 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