On Tuesday 02 September 2008 22:26:08 Florian Philipp wrote: > Alan McKinnon schrieb: > > On Tuesday 02 September 2008 21:14:25 Florian Philipp wrote: > >> You should also consider putting them near the beginning of the disk. > >> You can do this by booting a live-CD and use gparted to move your > >> root-partition. > > > > These days you have absolutely no guarantee that a partition is in the > > location on the disk where the cylinder numbers imply they should be. > > Disk manufacturers are free to put the bits of a disk that add up to this > > mythical thing called a "cylinder" any place they like, as long as the > > mapping between them is maintained. There is also no way I know of to ask > > a disk where a specific sector actually resides. > > No guarantee, but a pretty high chance: > dd if=/dev/sda2 of=/dev/null > ... > 957169664 bytes (957 MB) copied, 17.5531 s, 54.5 MB/s > > dd if=/dev/sda12 of=/dev/null > ... > 820854784 bytes (821 MB) copied, 21.4136 s, 38.3 MB/s > > I wouldn't care about this difference if I had a fast and big HDD or a > RAID but on a 5400rpm notebook HDD it really makes a difference, > especially when you are using tuxonice for suspend to disk.
What do you conclude from this? -- alan dot mckinnon at gmail dot com
