has anyone out there, by trial an error, figured out the most effective values of m and n in mkfs for particular disks and controllers? Specifically we have CDC 300 Mb SMD's and a DEC RM03 one CDC on an 211 Xylogics controller and the other on an Emulex.... Please reply by *MAIL* -- Jim Morton GenRad Inc., Concord, Mass. {...decvax!genrad!grkermit!jim}