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List:       ext3-users
Subject:    Re: ext3 .journal location?
From:       "Theodore Ts'o" <tytso () mit ! edu>
Date:       2002-05-14 5:55:59
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On Mon, May 13, 2002 at 09:31:34PM -0400, Statux wrote:
> Isn't the .journal in the root of the partition? I don't use ext3 but this
> is where I'd look :)

For many ext3 filesystems, the journal file is now a hidden inode, and
is not visible in the namespace at all.  This is true of ext3
filesystems generated using recent versions of mke2fs (with the -j
flag), and for ext3 filesystems have been run again recent versions of
e2fsck while the filesystem is *unmounted* (so this doesn't apply when
running e2fsck on the root filesystem while it is mounted, even if it
is mounted read-only).

The advantage of having the journal as a hidden inode is that you
don't have to worry about stupid sysadmin tricks (such as someone who
wonders what the .journal file is, and tries to delete it).  Having it
hidden also avoids backup programs from trying to back it up.

						- Ted



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