Date: Sat, 29 Oct 2005 06:48:03 +1000 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: Mikhail Teterin <mi+mx@aldan.algebra.com> Cc: hackers@freebsd.org, hardware@freebsd.org, sos@freebsd.org Subject: Re: Very slow writing to SATA disk Message-ID: <20051028204803.GW39882@cirb503493.alcatel.com.au> In-Reply-To: <200510281245.28314.mi%2Bmx@aldan.algebra.com> References: <200510280518.j9S5I3oQ025430@blue.virtual-estates.net> <20051028094844.GU39882@cirb503493.alcatel.com.au> <200510281245.28314.mi%2Bmx@aldan.algebra.com>
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On Fri, 2005-Oct-28 12:45:27 -0400, Mikhail Teterin wrote: >No, just checked -- the hw.ata.wc is set to 1. Is there anything else to look >at? That exhausts my ideas, sorry. Sören might be able to suggest something. >> >According to smartctl, the drive runs at 56C during the copying. Its >> >idle temperature seems to be 54C. >It sure feels hot to the touch, but nothing is burning, A rule-of-thumb is that you can hold your finger on something for 4 seconds then it is 45°C (or less). >this model's 'Ambient Temperature' spec is 5 to 55C... It's unlikely to affect I/O performance (though it may increase the number of thermal re-calibrations) but it will definitely shorten the drive life. -- Peter Jeremy
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