Edit File: ndb_master-slave_2ch.inc
# ==== Purpose ==== # # Set up circular cluster replication where each # cluster has two mysqlds and replication directions are # following: # master ---> slave # / \ # cluster A cluster B # \ / # master1 <--- slave1 # # ==== Usage ==== # # [--let $rpl_server_count= N] # [--let $rpl_skip_check_server_ids= 1] # [--let $rpl_skip_reset_master_and_slave= 1] # [--let $rpl_skip_change_master= 1] # [--let $rpl_skip_start_slave= 1] # [--let $rpl_debug= 1] # [--let $slave_timeout= NUMBER] # --source include/ndb_master-slave_2ch.inc # # Parameters: # $rpl_server_count, $rpl_skip_check_server_ids, # $rpl_skip_reset_master_and_slave, $rpl_skip_change_master, # $rpl_skip_start_slave, $rpl_debug, $slave_timeout # See include/master-slave.inc --let $rpl_topology= 1->2,4->3 --let $rpl_skip_check_server_ids= 1 --source include/rpl_init.inc # Make connections to mysqlds --let $rpl_connection_name= master --let $rpl_server_number= 1 --source include/rpl_connect.inc --let $rpl_connection_name= master1 --let $rpl_server_number= 1 --source include/rpl_connect.inc --let $rpl_connection_name= slave --let $rpl_server_number= 2 --source include/rpl_connect.inc --let $rpl_connection_name= slave1 --let $rpl_server_number= 2 --source include/rpl_connect.inc # Check that all mysqld are compiled with ndb support --let $_rpl_server= 4 while ($_rpl_server) { --connection server_$_rpl_server if (`SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.ENGINES WHERE engine = 'ndbcluster' AND (support = 'YES' OR support = 'DEFAULT')`) { --skip Test requires NDB. } --source include/ndb_not_readonly.inc --dec $_rpl_server } # Set the default connection to 'master' (cluster A) connection master;
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