Re: Question: Does XFS journal data or only metadata?

[Steve Lord <lord@xxxxxxx>]

Anders Saaby wrote:

> > > Are we able to move an internal log to external log on an existing
> > > filesystem? (xfs_growfs has an option for it "-x", but the man page says
> > > it is "not implemented") - If this is not implemented, do we have
> > > alternative measures for creating an external log on an existing
> > > filesystem?
> >
> > Its not implemented.  It would be quite straightforward to do
> > offline (I remember Steve sent mail about an unsupported way to
> > do this a few years ago) - could be done through xfs_db.  It's
> > really not a difficult extension to xfs_db if you want to try
> > coding it.
> >
> > Online would be more involved, though could be done (probably
> > via xfs_freeze, then xfs_growfs-x+<new code>, then thaw).
>
>
> OK - An offline solution is fine with me, but I cannot find Steve's mail 
> (Haven't been subscribed to this list that long).
>
> - Steve, Is this still an option with present XFS implementation? - And can 
> you maybe elaborate a bit on how to do it? :)

Found it:

http://oss.sgi.com/archives/linux-xfs/2001-07/msg00564.html

Steve