Date: Tue, 19 Jul 2011 22:41:26 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: "freebsd-stable@freebsd.org Stable" <freebsd-stable@freebsd.org> Subject: Re: Status of support for 4KB disk sectors Message-ID: <20110719224126.00000a25@unknown> In-Reply-To: <20110718234124.GA5626@icarus.home.lan> References: <CAN6yY1uaUqk2ifiNViJyMFJWf60a4DmCiVs3Z=--_TjtzseABQ@mail.gmail.com> <20110718234124.GA5626@icarus.home.lan>
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On Mon, 18 Jul 2011 16:41:24 -0700 Jeremy Chadwick <freebsd@jdc.parodius.com> wrote: > But the currently "known method" is to use gnop(8). Here's an > example: > > http://www.leidinger.net/blog/2011/05/03/another-root-on-zfs-howto-optimized-for-4k-sector-drives/ > > Now, that's for ZFS, but I'm under the impression the exact same is > needed for FFS/UFS. Info: gnop will not work for FFS/UFS because gnop is a temporary solution (needs to be done by hand at each reboot). For FFS/UFS you need to align the slice/partition and chose a good blocksize/fragsize combination (e.g. 32k/4k). Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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