The system hides configuration changes necessary for the addition and removal of disks to/from the disk array by unstriping data, adding or deleting a disk and then restriping {HEAD ~ data} over {TAIL ~ all the disks} 
over
The system hides configuration changes necessary for the addition and removal of disks to / from the disk array by unstriping data , adding or deleting a disk and then restriping { HEAD ~ data } over { TAIL ~ all the disks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL