Date: Tue, 13 Feb 2007 23:57:59 -0800 From: Daniel Rudy <dr2867@pacbell.net> To: Chuck Swiger <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: Re: How can I manually turn off the HDD? Message-ID: <45D2C107.80307@pacbell.net> In-Reply-To: <BAF426AE-B596-41B1-8697-3B70CE2362CC@mac.com> References: <45D1DDA5.90207@gmail.com> <BAF426AE-B596-41B1-8697-3B70CE2362CC@mac.com>
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At about the time of 2/13/2007 10:58 AM, Chuck Swiger stated the following: > On Feb 13, 2007, at 7:47 AM, deeptech71@gmail.com wrote: >> How can I turn off the HDD? .. and leave the buffers in the memory, >> until the RAM is full .. then spin up the drive, write out the >> data, then it turn off again. > > ENOTSUPPORTED, at least with FreeBSD. Note that Apple has done a lot > of work to facilitate drive spindown for power-saving reasons for > their laptops, so MacOS X will make a reasonable attempt to spindown > the drives until really needed.... > There is a port called ataidle that you may want to look at. It programs the HDD to spin down after a specified timeout. -- Daniel Rudy
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