Hunter Fuller wrote: > 2009/1/5 Dan <[email protected]>: >> At 8:50 AM -0600 1/5/2009, Hunter Fuller wrote: >>> The disk is partitioned in this manner: >>> Say you have multiple platters in a drive (the most common) and you >>> have an 80 GiB disk. >>> We will say it has four platters for simplicity. >>> When you partition it, let's say you create 2x 40 GiB partitions. That >>> means the data in partition one will be stored on platters 1-2 and the >>> data in partition two on platters 3-4. >> AFAIK, logical to physical block translation is done in CYLINDER >> order, not platter order. So partitions cut a swath of cylinders >> thru a drive. They do NOT live on a single platter. That would be >> quite inefficient; totally eliminating the point of having >> independent arms. > > At least from what I have seen, cylinder order *is* done by numbering > cylinders starting on one platter, then the next, etc.
Cylinderx SPAN platters, so they don't start on one platter, etc. TRACKS start on one platter then the next and on to the next cylinder -- Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway" --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, 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] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
