ATA 4K sector issues
Mohacsi Janos
mohacsi at niif.hu
Wed Mar 17 15:53:19 UTC 2010
On Wed, 17 Mar 2010, Dag-Erling Sm?rgrav wrote:
> Mohacsi Janos <mohacsi at niif.hu> writes:
>> What is the situation with ATA 4K dirves in FreeBSD? Are there
>> any support for them in fdisk or disklabel?
>
> Hmm, didn't we discuss this already? All we need to do is change the
> defaults in fdisk so it rounds partition offsets and sizes to a multiple
> of 8 sectors (or 16 for future-proofing) instead of aligning them with
> fictitious cylinder boundaries. Bsdlabel, as disklabel is properly
> known, already DTRT: by default, the first partition starts at offset
> 16. Just make sure you specify sizes that are divisible by 8 or 16
> blocks (not an issue if you use the M or G suffixes). Sysinstall
> operates in megabytes.
Thanks for the information.
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