Date: Mon, 19 Dec 2011 23:07:56 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: mj@feral.com Cc: freebsd-current@freebsd.org Subject: Re: can a wrong alignment cause a decrease in a hdd's life expectancy? Message-ID: <92954.1324336076@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 19 Dec 2011 14:25:55 PST." <4EEFB9F3.80603@feral.com>
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In message <4EEFB9F3.80603@feral.com>, Matthew Jacob writes: >On 12/19/2011 2:22 PM, 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. > >No, sorry, that's not really true. Pray tell! There will always be charge leakage, but last I talked to silicon-pushers, that was (almost) entirely independent of read-access and correlated strongly with temperature*duration. Obviously, if your flash controller lies to you and do needless writes anyway, we are not talking read-only. Those are the only two effects I know of ? -- 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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