mdadm: imsm capabilities not found for controller: /sys/devices/pci0000:00/0000:00:1f.2 (type SATA)
 I/O Controller : /sys/devices/pci0000:00/0000:00:1f.2 (SATA)
          Port1 : /dev/sdb (9QJ29WRM)
          Port0 : /dev/sda (9QJ2AYZC)
          Port2 : - no device attached -
          Port3 : - no device attached -
          Port4 : - no device attached -
          Port5 : - no device attached -