DragonFly BSD
DragonFly kernel List (threaded) for 2004-01
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Re: Background fsck

From: Michel Talon <talon@xxxxxxxxxxxxxxxx>
Date: 21 Jan 2004 07:35:13 GMT

Chris Pressey <cpressey@xxxxxxxxxxxxxxx> wrote in 

> My own opinion is that the "speed-up-recovery-after-a-crash" thing,
> while apparently a very sexy problem for filesystem programmers to
> tackle, is going to become more and more of a non-problem as UPS's
> become more and more consumer-friendly.

You are simply forgetting that the crash may occur for a completely 
different reason than power failure, for example crash of the kernel.
It occurred to me once that i removed sound module from my freebsd box 
which paniced immediately. Unfortunately this may have been in the middle
of updating the superblock and at reboot fsck was unable to correct the 
situation and asked for a copy of the superblock. Still more unfortunately
the first backup was corrupt also, and i had to find another good one.

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