Question:
For example, I have two servers. First is the primary server and second
is the slave server. I need slave server to become primary (temp)
during primary server is down. Then old primary was fixed. I need old
primary server is the primary server and then old slave server (new
primary (temp)) to become slave server. Pls help me to explain how solve
this problem.
Answer:
After performing a failover, the old slave becomes the new master, but
the opposite is not true, that is, the old master does not automatically
become the slave. We will need to set up replication from the new
master to the to-be slave to be able to switch back.
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