Date: Thu, 17 Feb 2011 13:45:15 +0100 From: Kurt Jaeger <lists@c0mplx.org> To: freebsd-stable@freebsd.org Subject: Re: 3TB disc and block alignment Message-ID: <20110217124515.GI34314@home.opsec.eu> In-Reply-To: <AANLkTi=QMXvFtTyY9BUGg56VtTuac3G_0LnXaVboJQQz@mail.gmail.com> References: <20110217115653.GH34314@home.opsec.eu> <AANLkTi=QMXvFtTyY9BUGg56VtTuac3G_0LnXaVboJQQz@mail.gmail.com>
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Hi! Edho P Arief wrote: > > I have one of the new 3TB drives: > > > > da0: <Hitachi HUA723030ALA640 > Fixed Direct Access SCSI-5 device > > da0: 2861588MB (5860533168 512 byte sectors: 255H 63S/T 364801C) > > > > Now as far as I understand, one can operate it with many 512byte blocks > > or one can try to use the internal 4kbyte blocks. > ...I think it goes like this. > > ZFS: > >>>create GPT > # gpart create -s gpt da0 > >>>add partition, start at 4k-aligned sector > # gpart add -t freebsd-zfs -b 1024 da0 Thanks -- is it also possible to have something like da0: 2861588MB (732566646 4096 byte sectors: 255H 63S/T 364801C) appear during the boot ? Has anyone ever tried ? Would FreeBSD support it ? -- pi@opsec.eu +49 171 3101372 9 years to go !
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