bt ~ # lvm lvscan
inactive '/dev/VolGroup00/LogVol00' [146.97 GB] inherit
inactive '/dev/VolGroup00/LogVol01' [1.94 GB] inherit
lvm lvchange -a e /dev/VolGroup00/LogVol00
lvm lvchange -a e /dev/VolGroup00/LogVol01
lvm lvscan
ACTIVE '/dev/VolGroup00/LogVol00' [146.97 GB] inherit
ACTIVE '/dev/VolGroup00/LogVol01' [1.94 GB] inherit
mount /dev/VolGroup00/LogVol00 /mnt