Migrating from standalone to cluster

[legoulettois]

Hello All
I have a couple of NGX R60 firewall running in a standalone mode on Solaris 9 Sun machines, now the company decided to migrate these into clusters of firewall. is there any document, or someone experience to help me out on how to achieve that.
will appreciate any help from the experts here in the forum
tx

[Routerkid1]

Well the first thing you will need is an upgrade_export from the machine that has the most data in the smart center server config. I say this because you must create a new smart center server and merge the objects an rule bases together from both machines.