Speeding up live cd boot through optimizing file layout

Matt Zimmerman mdz at ubuntu.com
Mon May 29 16:54:54 BST 2006


On Mon, May 29, 2006 at 10:46:06AM -0300, Hervé Fache wrote:
> Indeed, moving the squashfs at the end of the CD might make for a
> higher speed, as most optical drives work with constant angular speed
> (or 2 or 3 angular speeds that depend on head position), and therefore
> have higher linear speed on the external edge.

That seems unlikely to make much of a difference, as the squashfs occupies
almost the entire disk anyway.  The position of files within the squashfs is
a reasonable indicator or their position on the CD as well.

-- 
 - mdz



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