[syslinux] Advanced Format Technology

[Jernej Simončič]

On Wednesday, June 16, 2010, 1:35:05, H. Peter Anvin wrote:

> Realigning for performance just means changing the partitions to all be
> on 4K boundaries

Realigning can mean one of the following two things:
- realigning partitions after they've been created
- changing the drive mapping so that the first logical sector is
  skipped (and the first actually addressable sector starts at 512
  bytes)

This is needed because pre-Vista Windows start the first partition on
sector 63 by default, and if the filesystem clusters (which are
usually 4kB) aren't aligned with the physical sectors, this causes a
very noticeable performance drop, especially when writing.

-- 
< Jernej Simončič ><><><><>< http://eternallybored.org/ >

If a computer cable has one end, then it has another.
       -- Lyall's Conjecture