Date: Wed, 17 Mar 2010 16:53:14 +0100 (CET) From: Mohacsi Janos <mohacsi@niif.hu> To: =?ISO-8859-15?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: freebsd-hackers@freebsd.org Subject: Re: ATA 4K sector issues Message-ID: <alpine.BSF.2.00.1003171652260.74067@mignon.ki.iif.hu> In-Reply-To: <86tysf58a2.fsf@ds4.des.no> References: <alpine.BSF.2.00.1003171114280.74067@mignon.ki.iif.hu> <86tysf58a2.fsf@ds4.des.no>
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On Wed, 17 Mar 2010, Dag-Erling Sm?rgrav wrote: > Mohacsi Janos <mohacsi@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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