Date: Sun, 22 Feb 2015 11:45:13 -0700 From: Ian Lepore <ian@freebsd.org> To: Wojciech Puchar <wojtek@puchar.net> Cc: freebsd-hackers@freebsd.org Subject: Re: disk powerdown Message-ID: <1424630713.56366.20.camel@freebsd.org> In-Reply-To: <alpine.BSF.2.11.1502221053010.694@laptop.wojtek.intra> References: <alpine.BSF.2.11.1502221053010.694@laptop.wojtek.intra>
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On Sun, 2015-02-22 at 10:54 +0100, Wojciech Puchar wrote: > how to turn off laptop magnetic drive (SATA) automatic powerdown feature. > it turns down and up lots of time in my laptop to save a little of power > and destroy drive much quicker :) and being so annoying. > Create an /etc/rc.local (if you don't have one already) and put this in it: camcontrol idle ada0 -t 0 Put one of those lines for each drive. -t 0 disables spindown. Instead of zero you can put the number of seconds of idle time you want before the drive spins down. To manually spin down a drive immediately: camcontrol standby ada0 -- Ian
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