GPT and disk alignment
freebsd at jdc.parodius.com
Wed Jun 8 05:10:07 UTC 2011
On Tue, Jun 07, 2011 at 11:29:32PM -0500, Mark Felder wrote:
> On Tue, 07 Jun 2011 22:27:24 -0500, Robert Simmons
> <rsimmons0 at gmail.com> wrote:
> >Do all HDDs that have 4KB per LBA present themselves to the OS as
> >having 512 bytes per LBA?
> >What about SSDs that have 1024 bytes per LBA?
> Not sure, but I do know that not all flash media have the same bytes
> per LBA internally. Some are 1K, some 4K, some even 8K. GPT is
> definitely the way to go if you want to make sure you're aligned.
Maybe I've misread what you've wrote, but since when was GPT a
requirement for partition boundary alignment?
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, US |
| Making life hard for others since 1977. PGP 4BD6C0CB |
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