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Date:      Wed, 7 Jun 2000 17:08:05 +0200
From:      Samuel Tardieu <sam@inf.enst.fr>
To:        Stefan `Sec` Zehl <sec@42.org>
Cc:        Ollivier Robert <roberto@keltia.freenix.fr>, freebsd-mobile@FreeBSD.ORG
Subject:   Re: spinning down the drive
Message-ID:  <2000-06-07-17-08-05%2Btrackit%2Bsam@inf.enst.fr>
In-Reply-To: <20000607165554.A8830@matrix.42.org>; from sec@42.org on Wed, Jun 07, 2000 at 04:55:54PM %2B0200
References:  <20000606161140.A8303@dophnic.yi.org> <20000606234343.A68786@keltia.freenix.fr> <20000607165554.A8830@matrix.42.org>

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On  7/06, Stefan `Sec` Zehl wrote:

| While we're at this point. Is there a way to figure out if a given disk
| is spinning or sleeping?

Well, you can at least know whether it was engaged in a data exchange with
the kernel recently. For example, write whenever a read has occurred in
the last 30 seconds.



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