Before I do something silly, can someone give me some advice on an lvm partition?

[Matej Cepl]

On 2008-11-29, 11:07 GMT, Paul wrote:
> I have a 149Gb lvm partition on /dev/sda2. I've no idea what's 
> in there.
> My /home directory is on a different drive. /dev/sda1 has the OS on it
> (it's 200Mb). I have a feeling that the likes of /usr and /var are on
> the lvm partition. Is there anything I can use to check this?

What's wrong with

mkdir /mnt/test-partition
mount /dev/mapper/<partition> /mnt/test-partition

and then take a look? (maybe mount --bind maybe in order, if the 
partition is mounted somewhere else)

Matěj