Date: Mon, 12 Sep 2016 00:04:02 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: George Mitchell <george+freebsd@m5p.com>, freebsd-hackers@freebsd.org Subject: Re: Laptop disk spindown Message-ID: <57D58E82.4020605@grosbein.net> In-Reply-To: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> References: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com>
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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
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