FC16 upgrade does not recognize previous partitions

[bg3075]

With FC15 I created separate partitions for swap, opt, home. I recently upgraded to FC16, which does not recognize the partitions as such but re-created these directories again under root. How can I delete the unrecognized partitions?

parted -l
Error: /dev/mapper/vg_fedora-lv_home: unrecognised disk label             
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_fedora-lv_home: 18.3GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown

Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_fedora-lv_opt: 3221MB
Sector size (logical/physical): 512B/512B
Partition Table: loop

Number  Start  End     Size    File system  Flags
 1      0.00B  3221MB  3221MB  ext4


Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_fedora-lv_root: 12.5GB
Sector size (logical/physical): 512B/512B
Partition Table: loop

Number  Start  End     Size    File system  Flags
 1      0.00B  12.5GB  12.5GB  ext4


Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_fedora-lv_swap: 5436MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start  End     Size    Type     File system  Flags
 1      512B   5436MB  5436MB  primary               lvm