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DragonFly kernel List (threaded) for 2005-07
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Re: Filesystem Journaling Update II - July 2005

From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Tue, 5 Jul 2005 21:34:45 +0200

Lately Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx> said:
>     Once we get reverse-journaling (UNDO records) working, we can do it
>     the other way.. the mirror would contain the completely up to date
>     filesystem and the journal files would be used to 'revert' it to an
>     earlier state if necessary.  This is safer because you can run the
>     filesystem closer to 100% full (when it fills up you just remove the
>     oldest journaling file), and you can restore a backup from the live
>     mirror without having to run through any journaling files.

excellent work! great stuff!


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