Hello Neil , If I add any disk partition to end of the below command as man mdadm requests . Ok , Now I get it , "partitions" or "none" are required . But still ... <Quote> mdadm --examine --brief --scan --config=partitions mdadm -Ebsc partitions Create a list of devices by reading /proc/partitions, scan these for RAID superblocks, and printout a brief listing of all that was found. <\Quote> root@privateers:~# mdadm -Ebsc mdadm: option requires an argument -- c Usage: mdadm --help for help Ok , But when I do a ... root@privateers:~# mdadm -Ebsc --help ARRAY /dev/md0 level=raid1 num-devices=2 UUID=8d5cd2c7:42544200:d2bdaaad:ce1bab0c ARRAY /dev/md1 level=raid1 num-devices=2 UUID=e8a0caca:1e477715:f7f74d6b:88dd401c ARRAY /dev/md3 level=raid1 num-devices=2 UUID=a87d5acf:17038a98:03577e48:76e31d5c ARRAY /dev/md2 level=raid1 num-devices=2 UUID=8f4b56fa:840ad5eb:0c28a667:6a46f759 I was expecting a help readout not the command to actually function . Hth , JimL -- +----------------------------------------------------------------------+ | James W. Laferriere | System Techniques | Give me VMS | | Network Engineer | 3600 14th Ave SE #20-103 | Give me Linux | | babydr@xxxxxxxxxxxxxxxx | Olympia , WA. 98501 | only on AXP | +----------------------------------------------------------------------+ - 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