Date: Tue, 24 Jul 2001 08:18:58 -0700 From: "Jason DiCioccio" <geniusj@bluenugget.net> To: "Mike Hoskins" <mike@adept.org>, "Mike Tancsa" <mike@sentex.net> Cc: "Sung Nae Cho" <sucho2@quasar.phys.vt.edu>, <freebsd-stable@FreeBSD.ORG> Subject: Re: Regarding hw.ata.wc="1"...... Message-ID: <029001c11453$f5f80dc0$bf960340@jason8bo2vxz5e> References: <Pine.BSF.4.21.0107240809090.92392-100000@snafu.adept.org>
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I was disappointed by this decision as well.. The performance loss is substantial, but if there is a big risk I think perhaps it should be prompted in sysinstall at least? Of course if you have an IBM DTLA drive you can do this safely with tagging. Cheers, -JD- ----- Original Message ----- From: "Mike Hoskins" <mike@adept.org> To: "Mike Tancsa" <mike@sentex.net> Cc: "Sung Nae Cho" <sucho2@quasar.phys.vt.edu>; <freebsd-stable@FreeBSD.ORG> Sent: Tuesday, July 24, 2001 8:12 AM Subject: Re: Regarding hw.ata.wc="1"...... > On Tue, 24 Jul 2001, Mike Tancsa wrote: > > > to take. Yes, writes will be faster with write caching enabled. However, > > its that much more risky incase of power loss. > <snip> > > disabled by default. However, it was turned back on as a default a little > > later. > > Hmm. I hope the response to recent performance tests was /not/ to make a > potentially unsafe option 'default'. > > Sometimes 'faster' isn't better - anyone with a brain knows that, > right? Try replacing an overloaded VAX with a nice x86 box and watch it > run fast at first, then die smoking under load (humorous story from > college days ;)... You get my point. > > Later, > -Mike > > -- > Log analysis mailing list: > http://www.adept.org/mailinglists.html#logwatchers > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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