From Fedora Project Wiki
Not sure if you are aware of this, but a lot of the multipath experience had been scoped out by David Zeuthen and Alasdair Kergon for RHEL6 (unfortunately, most it has not been implemented...). See https://bugzilla.redhat.com/show_bug.cgi?id=548874 and https://bugzilla.redhat.com/show_bug.cgi?id=548874#c10 --mclasen 17:51, 8 June 2010 (UTC)