trying to mount an lvm and getting this:

mount: special device /dev/Myth/video does not exist

And yet, lvdisplay, pvscan, vgscan all show it ok.

[root@amd800 ~]# pvscan
PV /dev/hdb1 VG Myth lvm2 [279.38 GB / 384.00 MB free]
PV /dev/hda2 VG VolGroup00 lvm2 [18.53 GB / 0 free]
PV /dev/hdb lvm2 [279.46 GB]
Total: 3 [577.37 GB] / in use: 2 [297.91 GB] / in no VG: 1 [279.46 GB]

lvscan
inactive '/dev/Myth/video' [279.00 GB] inherit
ACTIVE '/dev/VolGroup00/LogVol00' [8.28 GB] inherit
ACTIVE '/dev/VolGroup00/LogVol01' [8.31 GB] inherit
ACTIVE '/dev/VolGroup00/LogVol02' [1.94 GB] inherit

fstab entries

#dev/videovg/videovol01 /video ext3 suid,dev,exec 0 0
/dev/Myth/video /video ext3 defaults 0 0

vgscan
Reading all physical volumes. This may take a while...
Found volume group "Myth" using metadata type lvm2
Found volume group "VolGroup00" using metadata type lvm2