Date: Mon, 13 Nov 2006 10:36:01 -0600 From: Kirk Strauser <kirk@strauser.com> To: freebsd-questions@freebsd.org Subject: Re: ATA drive TIMEOUT READ_DMA errors since adding power savings Message-ID: <200611131036.05463.kirk@strauser.com> In-Reply-To: <975053160611130757m355d7c2emc366dd8c8c4cf21@mail.gmail.com> References: <975053160611130757m355d7c2emc366dd8c8c4cf21@mail.gmail.com>
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--nextPart7725030.QmSQ14DMby Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Monday 13 November 2006 9:57 am, Michael Knoll wrote: > I added a power down timer on one of my harddrives, and started > getting READ_DMA and WRITE_DMA timeouts. Is it possible these are > occuring becuase the drive is spun down and FreeBSD isn't waiting long > enough for it to spin up? Everything else seems to be working. Yep. > If that is the problem, is it possible to extend the timeout to > eliminate these messages clouding my logs? =46irst, what kind of machine is this? If anything other than a laptop, be= =20 aware that most harddrives have lifetimes measured in hundreds of thousands= =20 of hours, but a small number of thousand spin-ups. If your drive is=20 cycling many times a day, you could get a nasty surprise in a relatively=20 short amount of time. =2D-=20 Kirk Strauser --nextPart7725030.QmSQ14DMby Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- iD8DBQBFWJ715sRg+Y0CpvERAgp7AJ9oicU7u4PxBD05TVVH2WF0LLlF/wCffYrf e9fod3t5VPWQwRkgyx3Jw8g= =09+D -----END PGP SIGNATURE----- --nextPart7725030.QmSQ14DMby--
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