DB2 LUW HADR FAQ

• I am a newbie, how to setup HADR ?
    Official document  (OR) Cheat sheet example (quick guide) -- For release DB2 v9.7 and previous.
•  Is there a way to tell if the database is a HADR Primary or Standby database when the database and instance are down. 

• What would be returned if customer attempted to start the old-Primary as a Standby but the log-streams were different (ie. data not consistent) ?
• HADR ROS is enabled on standby server. When I run a read only query on the standby, the query fails with error SQL1773 RC5. In the db2diag.log I notice the following messages.....
• Which hadr_syncmode should I use for my database ?