Date: Wed, 14 Jul 1999 15:54:49 -0600 (MDT) From: "Kenneth D. Merry" <ken@plutotech.com> To: nisha@CS.Berkeley.EDU (Nisha Talagala) Cc: scsi@FreeBSD.ORG Subject: Re: Question Message-ID: <199907142154.PAA41027@panzer.kdm.org> In-Reply-To: <199907142146.OAA16274@saffron.CS.Berkeley.EDU> from Nisha Talagala at "Jul 14, 1999 02:46:35 pm"
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Nisha Talagala wrote... > > I have a Quantum Atlas disk drive that appears to > be doing some form of delayed write optimization. > Is there any OS command or mode page change that can > turn it off? You mean write caching? To disable write caching, change the WCE (write cache enable) bit on mode page 8 from 1 to 0. To edit mode page 8 for da1, you'd do: camcontrol modepage -n da -u 1 -m 8 -e -P 3 Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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