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Date:      Sun, 11 Sep 2016 12:55:27 -0400
From:      Allan Jude <allanjude@freebsd.org>
To:        freebsd-hackers@freebsd.org
Subject:   Re: Laptop disk spindown
Message-ID:  <384fd7ca-b779-3e66-eaa9-c2c27dca4dc0@freebsd.org>
In-Reply-To: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com>
References:  <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com>

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From: Allan Jude <allanjude@freebsd.org>
To: freebsd-hackers@freebsd.org
Message-ID: <384fd7ca-b779-3e66-eaa9-c2c27dca4dc0@freebsd.org>
Subject: Re: Laptop disk spindown
References: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com>
In-Reply-To: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com>

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On 2016-09-11 12:50, George Mitchell wrote:
> 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
> _______________________________________________
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rg"
>=20

This is controlled by the drive firmware, not the OS, however, you can
often use camcontrol(8) to adjust it.

I don't have the exact command handy, sorry.

--=20
Allan Jude


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