upgrading to F16 or F17 with /var and/or /usr on LVM volumes?

[Joel Rees]

Tried preupgrade, but it can't find my old system, and kicks the
upgrade process to the curb.

Then I tried the netinstall CD and it can't find my old system, either.

Looking around, I see a bit of discussion of problems with the install
process recognizing  LVM partitions. Rescue mode boot of the
netinstall CD appears to be unable to mount LVM partitions.

Does anyone know of a work-around short of backing up /etc and /home
and doing a fresh install?


--
Joel Rees