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SubjectRe: Moving ext3 journal file
On Nov 23, 2001  16:56 -0800, H. Peter Anvin wrote:
> By author: Andreas Dilger <adilger@turbolabs.com>
> > I really don't see it as being a problem (other than a purely cosmetic
> > one) to have a .journal file in your root fs. I lived with these for a
> > couple of years OK...
>
> It's either a cosmetic problem or a really problematic one, depending
> on how closely controlled that particular part of the namespace is.
> The .journal file could potentially try to be copied, backed up, you
> name it.

Actually, unless users are actively trying to shoot themselves in the
foot, none of this really matters. However, now that ext3 is in the
mainline, the number of users playing with guns has increased a large
amount, it seems, by the number of such reports on ext3-users.

Because .journal is created as immutable, even if it was backed up and
tried to be restored, it would be impossible to write to. For the
"accursed" ext2 dump, it recognizes the "nodump" flag, but also knows
enough not to back up the journal file. Sadly, neither cpio or tar
know about ext2 attributes.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/

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