Enabling Journaling

[Steve Hanson]

Douglas C. Robinson wrote:
> I am attempting to enable journaling on my Fedora system.  I have seen
> in the "man mount" page that I must set the option in mount to
> "data=journal".  Where do I enter this switch?  I have placed the
> option in the /etc/fstab file in various places.  This generates many
> error messages at re-boot.  There is probably a simple solution but
> this eludes me.
> 
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> 
If you are using a "generic" install of Fedora Core - that is, 
if you didn't actually do something to
change to a non-ext3 file system, you're already using 
journaling on an ext3 file system.

Journaling options are set in the /etc/fstab file, in the file 
system options column.  If you really need to set a non-default 
mode of journaling (like for some reason you want to use the 
data=journal option rather than the default data=ordered) you'd 
need to change the entry for that file system to be something 
like this:


/dev/sdd1		/var/lib/imap/user	ext3	data=journal 1 3

That is, you'd probably end up replacing the defaults entry with 
data=journal

But make sure you understand the implications of changing the 
journaling option.