De-activate a swap partition - I don't believe it!

Mikkel L. Ellertson mikkel at infinity-ltd.com
Tue Mar 21 22:14:38 UTC 2006


Gene Heskett wrote:
> 
> No, sorry.  The track spaceing remains the same, but there are fewer 
> sectors due to the smaller circumference of the inner tracks, so seek 
> time is a wash.  The exact same size file that takes 10 tracks on the 
> outside of the disk might need 11 tracks on the inside so ther would be 
> one more seek of what, 8 ms to get the last piece?
> 
> I have a tendency to put the busy stuff on the outer tracks just because 
> there less seeking with the longer tracks, but in reality, I think 
> someone would have to write a program that played with an otherwise 
> un-occupied disk as a test for finding any real diffs because they're 
> probably going to be in the under 20% range.  Thats less than switching 
> from a 5400 rpm drive to a 7200 rpm drive, which pays a much larger 
> dividend in performance in my experience.
> 
How do you determine what are the outer tracks? With the mapping
modern drive do, how do you know that the higher numbered blocks
in fdisk are really the outside tracks? You also have the problem
of remapping of bad sectors to make things more interesting...

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!




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