[Linux-cluster] Cluster Newbie Questions........

[toxictux]

hi all,
    i am setting up a two node cluster with San based shared storage.
i have following questions regarding my setup.

1. i am planning to use this cluster to setup a web based application.
i saw the example in redhat documentation on how to setup http service
in cluster. is it possible to have http and mysql services served by
same cluster??

2. can i set them up on the same LUN after i created 2 separate partitions??

3. which lock manager is recommended DLM or GuLM?

Thanks,
-F