Hello, I'm facing the some issue, and I need help please. I have 2 DB servers one Master and the second is slave, so after crash of the DB on the master node because the FS of the mysql is full, I try to establish the situation but I have the new problem after restarting the DB master correctly, all requests to tables give me the error ERROR 1932 (42S02): Table '*********' doesn't exist in engine so I suppose the DB is corrupt, so my problem is about database ambari only this DB not replicate on slave node and I have only the old baskup for Ambari,    my question is if I restore the DB ambari and I start Ambari with, can'I be sure to find the cluster on the some situation before the crash and be sure of all services restart correctly without impact or I have to execute  this  solution.   I'm not confident for reset/reinstall ambari server and agents, especially how to registre all hosts with services without impact.   Thank you for help.   Best Regards,   ... View more