Date: Sat, 19 May 2012 10:54:45 +0200 From: Matthias Apitz <guru@unixarea.de> To: User Wojtek <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-hackers@freebsd.org, Dimitry Andric <dim@freebsd.org> Subject: Re: proper newfs options for SSD disk Message-ID: <20120519085444.GA2966@tinyCurrent> In-Reply-To: <alpine.BSF.2.00.1205191039090.12010@wojtek.tensor.gdynia.pl> References: <alpine.BSF.2.00.1205182209010.9350@wojtek.tensor.gdynia.pl> <4FB6B713.7080807@FreeBSD.org> <alpine.BSF.2.00.1205191039090.12010@wojtek.tensor.gdynia.pl>
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El día Saturday, May 19, 2012 a las 10:40:32AM +0200, User Wojtek escribió: > > You may be able to find the exact erase block size in the technical > > documentation of your specific SSD. But the manufacturers don't always > > tell. :) > > ... Hi, Some weeks ago in the context of Openmoko (my Linux based cellphone) I came across to this very interesting article about file systems and SSD; even if the article is in Linux context, it contains useful information about how SSD behaves when updating blocks on SSD. https://lwn.net/Articles/428584/ I have to admit, that I run an EeePC 900 netbook for many years now (with now FreeBSD 10-CURRENT) and the only special option for the SSD (the EeePC has only two SSD) is -noatime on mounting. But this is just a small netbook to read stuff or write something when I'm in town and does not need performance tweaking. HIH matthias -- Matthias Apitz t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211 e <guru@unixarea.de> - w http://www.unixarea.de/ UNIX since V7 on PDP-11 | UNIX on mainframe since ESER 1055 (IBM /370) UNIX on x86 since SVR4.2 UnixWare 2.1.2 | FreeBSD since 2.2.5
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