Create 4 partitions of size 200 MB each.
Combine the first three partitions into a raid 5 array.
Make one of the partitions as faulty.
Remove the faulty partitions from the raid array.
Add the fourth partitions to the raid array.
The number of cylinders for this disk is to 9729.
Calling ioctl()to re-read partition table.
WARNING : Re-reading the partition table failed with error 16 : Device or resource busy.
To stop the raid first unmount the metadevice.