Re: [gentoo-user] Re: Gentoo on a Dell XPS 13 Ultrabook

[Pandu Poluan <pandu@poluan.info>]

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On Mar 5, 2012 3:15 AM, "Grant" <emailgrant@gmail.com> wrote:
>
> [snip]
> >> HOWEVER, make sure that all partitions begin at multiples of 8 (e.g.,
64,
> >> 72, 80, and so on); this will save you a lot of grief if it happens
that the
> >> hard disk you're using has 4KiB-sectors. [1]
> >
> > <snip the rest>
> >
> > From what I recall of looking at that toy's specs, it's running on an
> > SSD, so it becomes even more important, performance-wise, to have
> > things aligned properly so any one write doesn't cause two full erase
> > blocks to be cycled. The 1MB alignment is, if I recall, a balance
> > Microsoft struck as the midpoint between multiple hardware vendors to
> > work well on any of them... raid arrays, SSDs, advanced format hard
> > drives with 4k sectors on-disk, etc.
>
> Just to confirm, starting at block 2048 is OK?
>

No problem. You'll just be shortchanged of almost 1MiB. Nothing to lose
sleep over, IMO.

The most important thing is to make sure that *all* partitions begin on
sectors divisible by 8. So, if you're going to set up multiple partitions,
eyeball their start sectors carefully.

Rgds,

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