ext3 fsck on reboot

[Ben Eisenbraun]

On Sat, May 03, 2008 at 01:34:05PM -0400, Robert Krawitz wrote:
> Tom Metro <blu at vl.com> wrote:
>    I use XFS on my big disks, so I haven't noticed this, but does
>    anyone know why this check isn't performed by a daemon running in
>    the background?
> 
> You wouldn't want to write to the filesystem if it's inconsistent (how
> do you know what's safe to write to and correct to read from?).

FreeBSD can do background fsck on a live system.  It actually creates a
snapshot of the dirty filesystem and runs the fsck on the snapshot.

http://www.usenix.org/events/bsdcon/mckusick/mckusick_html/index.html

-b

--
work is the curse of the drinking class.                   <oscar wilde>

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