On Fri, 2006-04-21 at 19:29 -0400, Lyvim Xaphir wrote: > On Wed, 2006-04-19 at 20:25 +0200, Ingemar Nilsson wrote: > > Lyvim Xaphir <knightmerc@xxxxxxxxx> writes: > > > > > the first place. First spot is the first spot. First drive, and also > > > the first sectors of the hard drive, the prime real estate of the drive > > > where the accesses are faster. > > > > Could you elaborate on why disk accesses are faster in the first sectors of > > the hard drive? > > > > Regards > > Ingemar > > > > A drive's sectors actually start out on the rim of the drive. In that > area, you have more sectors per track (outer rim) than as you go closer > towards the spindle. At the spindle you have the lowest sectors per > track. Both the data rate and the sectors per track are greatest at the > rim of the hard drive; which is where the boot sector is too btw. The > heads can stay on one track and transfer more contiguous data per > cylinder on cylinders at the rim than they can close to the spindle. > All this analysis is valid except in my experience the recording on a hard disk gets nowhere really close to the spindle for obvious reasons. Only the outer sections of the disk are recorded on. -- Aaron Konstam <akonstam@xxxxxxxxxxxxx>
