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SubjectRe: Moving ext3 journal file
Followup to:  <>
By author: Andreas Dilger <>
In newsgroup:
> 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.

<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot." <>
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