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Date:      Tue, 12 Sep 2006 12:59:13 +0200
From:      Ivan Voras <ivoras@fer.hr>
To:        freebsd-stable@freebsd.org
Subject:   Re: gjournal and Softupdates
Message-ID:  <ee63ue$tel$1@sea.gmane.org>
In-Reply-To: <ygfirjto0z2.fsf@dominion.borderworlds.dk>
References:  <45066E19.2040405@kuehlbox.de> <ee5vat$fcb$1@sea.gmane.org> <ygfirjto0z2.fsf@dominion.borderworlds.dk>

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Christian Laursen wrote:
> Ivan Voras <ivoras@fer.hr> writes:
> 
>> - todays desktop drives can lie about writing data. SoftUpdates relies
>> on some assumptions about when the data is physically written to
>> media, and those are not always valid today
> 
> I think journaling relies on the same assumptions.

Doesn't it rely less since a journal is written sequentially, but SU 
expects ordering of many writes to different parts of the file system to 
be persistent and in sequence?




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