Am 17.01.2014 22:42, schrieb Richard Reina: > I have 3 relay MySQL database servers on my small office LAN backing up a > master and 3 more machines backing up each relay (1 each). They are all > replicating all databases and all tables. The master although running fine > is almost eight years old. I'm thinking it's probably time to make one of > the relays the master, but I've never done this before. > > I want the new master to have the IP address of the old master 192.168.0.1 > . To make the change I was going to take the master off the LAN and > shutdown mysql on all the machines, change the IP address on the chosen > relay to that of the master 192.168.0.1, then restart mysql on all the > machines. I always refer to the machines by their IP addresses and never by > their hostnames. Once I successfully make the change I was planning on > making the old master a relay since it is still working fine. > > Will this plan work ok? Is there a better or easier way?
* stop the master * sync the complete datadir to the new machine * give the new machine the same ip * start mysqld how should the salve smell that anything has changed?
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