How do you add additional nodes to a GFS cluster after initial setup with nolock using one node?

Setup GFS initially using the nolock locking protocol. Make sure you create the filesystem with enough journals to support the number of nodes you wish to add later. It is possible to add journals later on, but make sure you have enough space to do so. A journal uses up 128MB of disk space, but can be specified to use a smaller size. The minimum size for a journal is ...