Date: Fri, 01 Jan 2010 11:26:10 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Pieter de Goeje <pieter@degoeje.nl> Cc: Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org, Miroslav Lachman <000.fbsd@quip.cz>, Thomas Backman <serenity@exscape.org>, freebsd-arch@freebsd.org Subject: Re: File system blocks alignment Message-ID: <61364.1262345170@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 31 Dec 2009 17:12:17 %2B0100." <200912311712.18347.pieter@degoeje.nl>
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In message <200912311712.18347.pieter@degoeje.nl>, Pieter de Goeje writes: >Ok, as Miroslav wrote, it does not report 4k sectors: If you care to, and have the time, try the following: for N in (0...7) for M in (0..2) create partition starting at byte offset N*512 newfs -f 4096 -b 32768 /dev/foo mount /dev/foo /mnt time restore(8) a filesystem into it. unmount /mnt time fsck_ffs /dev/foo mount /dev/foo /mnt time tar cf /dev/null /mnt unmount /mnt -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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