Galera Cluster with mix of versions
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Hello everyone!
Can I mix the old version 10.4 and the new 10.11 to build a cluster?
At the same time, SQL will not use innovations from 10.11
Answer
At the moment there are IST bugs MDEV-33263 and SST bugs preventing such incremental upgrades.
There would also be a difference in a galera version < 26.4.19 and 26.4.19 that introduced an incompatibility.
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