Hello all,

Using MySQL, I have the following replication setup:

A -> B and C

where A is the master DB and both B and C are slaves of A.  By design,
B is rarely more than a couple of seconds behind A, but C is always
about 5 minutes behind A.

If A crashes, B would be promoted to being a master.  But could C
become a slave of B my merely adjusting the replication coordinates?
Or would it have to be rebuilt using a full dump from B?

I am using MySQL 5.5, so GTIDs are not (yet) an option[1].

[1] https://blogs.oracle.com/MySQL/entry/mysql_replication_self_healing_recovery

Regards,
- Robert

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