... and Experience 24 (11 ):9 81 999 (Nov. 19 94).]7. C. Ruemmler and J. Wilkes, “Disk shuffling,” Tech. Report HPL- 91- 156, Hewlett-PackardLaboratories, Palo Alto, Calif., Oct. 19 91. 8. M. Holland and ... with BA and MA degrees in physics (19 78 and 19 80, respectively) and a Diploma and PhD in computer science (19 79 and 19 84, respectively).Wilkes can be contacted at Hewlett-Packard Laboratories, ... size 256 bytes 512 bytescylinders 14 49 19 62tracks per cylinder 8 19 data sectors per track 11 3 72number of zones 1 1track skew 34 sectors 8 sectorscylinder skew 43 sectors 18 sectorsrevolution...