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Moving a MySQL slave to a new replication master
I’m upgrading our MySQL master/slave setup and am moving it to new (virtual) hardware in our cloud environment. One of the things I did last night was moving the MySQL slaves to a new master that I had...
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Fixing MySQL replication after a faulty query
Today I run into an issue with MySQL replication that prevented updates from the master to appear on the slaves. When checking the slave status, MySQL reports: Slave_IO_State: Waiting for master to...
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Replacing both DRBD nodes while keeping the storage online
DRBD (Distributed Redundant Block Device) is an open source storage solution that is best compared with a RAID-1 (mirror) between two servers. I’ve implemented this for both our cloud storage as our...
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Fixing an out-of-sync or corrupt MySQL slave
Sometimes a MySQL slave may get corrupted, or its data may otherwise be unreliable. Usually I clone the data from a slave that is still ok and fix it from there. However, today I run into an issue that...
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