On Jul 9, 2010, at 12:22 PM, iJohn wrote: > On Fri, Jul 9, 2010 at 2:42 PM, john CARMONNE <[email protected]> wrote: >> What determines the position of the partitions on the faster portion of the >> HDD? > > Drives store data on the outer tracks of the platter first, moving in > towards the center as you store to higher numbered blocks/sectors. > > Referring to the graphic used in the partition section of Disk > Utility, partitions closer to the top of the screen are on outer > tracks. Moving down towards the bottom of the screen implies placement > further "down" the disk and on the more inner tracks of the > platter(s). > > At least that's how I've always understood how it works. > > The difference in the sequential access rates arises because the > tracks on the outer edge of the platter have a higher tangential > velocity than those nearer the center. (Simple playground > merry-go-round physics) > > It can be argued that one will never see enough of a performance gain > to be worth the hassle of dividing a drive into two partitions and > constantly worrying about how to juggle your data between them. But > since I'm one of those folks who likes to fiddle with their computer > just for fiddling's sake, it's something I might try just for the sake > of trying it. >
Ah! precisely the reason that I'll be doing this from now on. Exercise my right to fiddle or "pick pepper from fly sh-t". :-) John Carmonne Yorba Linda USA Sent from my MBP -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list
