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Date:      Sat, 5 May 2001 19:27:19 +0200
From:      "Nicolas" <list@rachinsky.de>
To:        "Nick Sayer" <nsayer@quack.kfu.com>, "Doug Russell" <drussell@saturn-tech.com>
Cc:        "stable" <stable@FreeBSD.ORG>
Subject:   Re: soft update should be default
Message-ID:  <003f01c0d588$a6d947e0$0364000a@rachinsky>
References:  <Pine.BSF.4.21.0105050657050.94973-100000@beastie.saturn-tech.com> <3AF42ACD.5000500@quack.kfu.com>

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----- Original Message -----=20
From: "Nick Sayer" <nsayer@quack.kfu.com>
To: "Doug Russell" <drussell@saturn-tech.com>
Cc: "stable" <stable@FreeBSD.ORG>
Sent: Saturday, May 05, 2001 6:31 PM
Subject: Re: soft update should be default
>=20
> That may be the original intent, but cheap IDE drives let you turn on=20
> write caching, and they're for sure not battery-backed (nor do they=20
> attempt to store enough power at power-off to write back the cache =
with=20
> the remaining rotational latency or any such trickery). They lie about =
it.
>=20
> Write caching is evil unless you specifically know that it's being=20
> battery backed. 99.44% of the time, that's not the case.


How can I disable it?


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