Date: Sun, 11 Sep 2016 13:07:09 -0400 From: George Mitchell <george+freebsd@m5p.com> To: freebsd-hackers@freebsd.org Subject: Re: Laptop disk spindown Message-ID: <e3c054fb-8961-e98c-ff7b-e6bb450596ca@m5p.com> In-Reply-To: <57D58E82.4020605@grosbein.net> References: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> <57D58E82.4020605@grosbein.net>
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Thank you! -- George On 09/11/16 13:04, Eugene Grosbein wrote: > 11.09.2016 23:50, George Mitchell пишет: >> Smartctl reports that my laptop disk has started and stopped >> 101,798 times in 2,027 hours of operation, or roughly once a >> minute. I imagine that saves wear and tear on the disk, but >> it also makes the laptop seem remarkably sluggish for an A8 >> based system. Isn't there some sysctl that will lengthen the >> idle time before stopping the disk? I don't see one in the >> ada man page. -- George > > Put the following to /usr/local/etc/rc.d/tune-spindown. > Perhaps, we could have more clever and generalized version in base... > > #!/bin/sh > > # PROVIDE: tune-spindown > # REQUIRE: FILESYSTEMS > # BEFORE: DAEMON > # KEYWORD: nojail > > case "$1" in > *start) > camcontrol standby ada0 -t 300 > # dd if=/dev/ada0 of=/dev/null bs=512 count=1 >/dev/null 2>&1 > ;; > stop) > camcontrol standby ada0 -t 0 > ;; > esac > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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