Date: Mon, 15 Oct 2007 11:52:08 -0500 From: Eric Anderson <anderson@freebsd.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: d_elbracht <d_elbracht@ecngs.de>, 'Ivan Voras' <ivoras@freebsd.org>, freebsd-geom@freebsd.org Subject: Re: AW: g_vfs_done():da3s1a[READ(offset=81064794762854400, length=8192)]error = 5 Message-ID: <47139AB8.9060602@freebsd.org> In-Reply-To: <48313.1192460796@critter.freebsd.dk> References: <48313.1192460796@critter.freebsd.dk>
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Poul-Henning Kamp wrote: > In message <47137634.1010703@freebsd.org>, Eric Anderson writes: > >> Solid state drives don't behave much differently that a regular drive >>from FreeBSD's point of view. > > Yes and no. The effective lack of seek time has the potential to expose > a lot of flawed reasoning in filesystems with respect to ordering and > duration of I/O requests. > > It might be a good idea to have GEOM module that could implement a > seek-time sort of behaviour, just for being able to falsifying that > theory. > Or an option to gnop? Eric
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