Date: Wed, 17 Mar 2010 20:23:10 -0300 From: Thiago Damas <tdamas@gmail.com> To: Andrew Stesin <stesin@gmail.com>, Matthew Dillon <dillon@apollo.backplane.com>, freebsd-hackers@freebsd.org Subject: Re: ATA 4K sector issues Message-ID: <f8e3d83f1003171623s1acf1c47pbc74d8b7c580a3d5@mail.gmail.com> In-Reply-To: <28a799251003171431o1c06fa02u5755f445c935234c@mail.gmail.com> References: <alpine.BSF.2.00.1003171114280.74067@mignon.ki.iif.hu> <86tysf58a2.fsf@ds4.des.no> <alpine.BSF.2.00.1003171652260.74067@mignon.ki.iif.hu> <f8e3d83f1003171034m5e75eae4r5e8b31d88d361d3b@mail.gmail.com> <367b2c981003171112n785ea9d4q21d00b533819ca67@mail.gmail.com> <f8e3d83f1003171117k20d553b7y7ce4c3c8ed2f5c96@mail.gmail.com> <201003172023.o2HKNNbj069321@apollo.backplane.com> <201003172111.o2HLBIgJ069873@apollo.backplane.com> <28a799251003171431o1c06fa02u5755f445c935234c@mail.gmail.com>
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Waste of disk space. With 2K frag size, a file of 1k will use a minimum of 2K, wasting 1k. With 4k frag size it will waste 3k. 2010/3/17, Andrew Stesin <stesin@gmail.com>: > 2010/3/17 Matthew Dillon <dillon@apollo.backplane.com>: >> =A0 =A0you absolutely must use a 4K fragment size (32K block size) and a= n >> =A0 =A0aligned partition when using UFS with 4K physical sector drives. > > Sorry for my ignorance, but what's wrong with making this the default > setting for newfs regardless of whatever the drive is? > > Thanks, > Andrew > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org= " >
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