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Warning | ||
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This is a non trivial operation. Only proceed if you have adequate rollback mechanisms in place, such as snapshots of your virtual machines and a backup of the database. ALWAYS UPDATE SLAVES COMPLETELY TO 8.x FIRST - BEFORE UPDATING THE MASTER. WHEN UPDATING MASTER-MASTER CONFIGURATIONS, STOP THE OTHER MASTER DURING BEFORE STARTING THE UPDATE PROCESS with service mysqld stop. MAKE SURE THAT BOTH MASTERS ARE 8.x BEFORE RESTARTING BOTH AT THE SAME TIME. |
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