Date: Thu, 02 Oct 2003 12:37:32 +0200 From: Alex de Kruijff <freebsd@akruijff.dds.nl> To: Sergei Vyshenski <fbsd-49@pn.sinp.msu.ru> Cc: freebsd-questions@freebsd.org Subject: Re: hw.ata.wc vs soft updates Message-ID: <20031002103732.GG16713@dds.nl> In-Reply-To: <5.1.1.6.2.20031001105657.00a77b08@vivaldi.pn.sinp.msu.ru> References: <5.1.1.6.2.20031001105657.00a77b08@vivaldi.pn.sinp.msu.ru>
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On Wed, Oct 01, 2003 at 11:21:44AM +0400, Sergei Vyshenski wrote: > Is it correct and/or clever to use BOTH > > 1) soft updates enabled and 2) hw.ata.wc=0 > > on FreeBSD-4.9 system? > > Will it enhance chances to have consistent disk > after power loss? Yes. That is the reason its disabled by defauld. > How much slower it will be compared to the case of > > 1) soft updates enabled and 2) hw.ata.wc=1 The difference can be noticed. So i guess 15 or 20%. However I have no experince what so ever with this. > Thanks in advance for any comment. > Sergei > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- Alex Articles based on solutions that I use: http://www.kruijff.org/alex/index.php?dir=docs/FreeBSD/
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