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SubjectRe: Journaling: Surviving or allowing unclean shutdown?

> On Wed, 3 Jan 2001, Dr. David Gilbert wrote:
>
> > I got wondering as to whether the various journaling file
> > system activities were designed to survive the occasional
> > unclean shutdown or were designed to allow the user to just pull
> > the plug as a regular means of shutting down.
>
> > Thoughts?

Journaling filesystems only guarantee consistancy of filesystem
metadata. Data that has not been flushed from buffers will be lost, and
applications not given a chance to shut themselves down may do bad
things if you just unplug the box. Journaling mostly means not having to
run FSCK.

-M
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