Re: Moving ext3 journal file

[Marcel J.E. Mol]

On Fri, Nov 23, 2001 at 04:07:44PM -0800, H. Peter Anvin wrote:
> Followup to:  <[e-mail]>
> By author:    Andreas Dilger <[e-mail]>
> In newsgroup: linux.dev.kernel
> > 
> > Don't do that.  That is only good if the filesystem thinks that there
> > is no journal, or it is using a hidden inode for the journal (i.e. if
> > you run "tune2fs -l /dev/whatever" and it doesn't have "has_journal"
> > listed in the filesystem features (this is what happened with 2.4.10).
> > Otherwise, you will delete your real journal, tune2fs will complain,
> > and then you will need to run e2fsck to clean up after yourself, before
> > re-creating your journal again.
> > 
> > If you have a filesystem with a .journal file, and you want to "hide"
> > it, just run e2fsck 1.25 while the filesystem is unmounted, and it
> > will do it for you.  If you don't want to have a .journal in the first
> > place, run tune2fs -j while the filesystem is unmounted.
> > 
> 
> This is all fine and good except for the root partition (I'm pleased
> to hear that e2fsck 1.25 will move the journal to the hidden inode for
> non-root partitions.)  It would be nice if this was done automagically
> by the mounting code instead of by fsck; that way migration would
> truly be painless.

Hm, the e2fsck check does not work for me...
The .journal file still exists after

   # umount /dev/hda11
   # e2fsck -f /dev/hda11
   # mount /dev/hda11
   # rpm -q e2fsprogs
   e2fsprogs-1.25-1

(on redhat rawhide)

-Marcel
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