Date: Mon, 19 Dec 2011 22:49:28 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: can a wrong alignment cause a decrease in a hdd's life expectancy? Message-ID: <32197.1324334968@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 19 Dec 2011 22:47:00 GMT." <20111219224700.GA75581@freebsd.org>
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In message <20111219224700.GA75581@freebsd.org>, Alexander Best writes: >On Mon Dec 19 11, Poul-Henning Kamp wrote: >> In message <20111219221617.GA70383@freebsd.org>, Alexander Best writes: >> >> >ps: the hdd only gets mounted read-only! >> >> There is no known wear-effects in flash storage as long as you >> only read. >> >> You may need to do refresh-writes every 5-10 years to avoid >> tunnel-leakage bit errors, but most flash controllers use semi-long >> ECC syndromes and will do so on first bit that gives an read error. > >this is a regular hdd i believe -- no ssd. at least when i plug it into my >usb drive i hear the hdd spinning up and causing vibrations. i don't think >that would be the case with an ssd. Ahh, sorry, I don't know why I thought it was flash. -- 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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