In setting up a Highly Available Java_ES messaging server environment, one would like to have active active environment.
This setup is fully supported in Java_ES 2004Q2.
One can setup 1+1 or N+1 environment.
For this to work one will setup multiple stores and will need MMP to mask the multiple stores.
One will need to setup HAStorage+ (FFS) and multiple LH and resouce groups.
It will be a best practice to configure the instance on a shared FFS.