Starting up RAID devices: mdadm: /dev/md0 is already active.
mdadm: cannot open device /dev/sda1: Device or resource busy
mdadm: /dev/sda1 has wrong uuid.
mdadm: cannot open device /dev/sdb1: Device or resource busy
mdadm: /dev/sdb1 has wrong uuid.
mdadm: /dev/sda7 has wrong uuid.
mdadm: /dev/sdb7 has wrong uuid.
mdadm: /dev/sda8 has wrong uuid.
mdadm: /dev/sdb8 has wrong uuid.
mdadm: /dev/md1 has been started with 2 drives.
mdadm: /dev/sda8 has wrong uuid.
mdadm: /dev/sdb8 has wrong uuid.
mdadm: /dev/md2 has been started with 2 drives.
mdadm: /dev/md3 has been started with 2 drives.

*** An error occurred during the RAID startup
*** If it is critical the boot process will stop
*** when trying to mount filesystems. Else check
*** /etc/mdadm.conf for obsolete ARRAY entries
Checking filesystems
/dev/sdc1: clean, 393/122077184 files, 3910522/244133772 blocks
/dev/md2: clean, 14/1279168 files, 72960/2558320 blocks
/dev/md1: clean, 65113/1279168 files, 386058/2558320 blocks
/dev/md3: clean, 9973/6832128 files, 2864042/13655216 blocks