Esa Korhonen 047c08f577 MXS-1588: Wait on all slaves during switchover
During switchover, MASTER_GTID_WAIT is now called on all slaves. This causes
switchover to complete slower than before but is safer if log_slave_updates
is not on on the new master server. Also, read_only is disabled on the
demoted server if waiting on slaves or promotion fails. This should
effectively cancel the failover for the old master.
2018-01-03 12:52:33 +02:00
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