Comments on How to Install Percona XtraDB Cluster on CentOS 7

In this tutorial, I will show you how to install and configure Percona XtraDB Cluster on a CentOS 7 server. We will use Percona XtraDB Cluster 5.6 that is fully compatible to MySQL and the Percona Server.

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By: Marcos

Thanks for this tutorial.

We create this project in ansible for the communities:

https://github.com/marandalucas/ansible-cluster-percona-centos7

By: Minsuk Choi

Thanks for this tutorial.But I cannot start percona2 and percona3.Whan I check my log(/var/log/messages),I can check following error.```Jan 14 01:15:50 localhost mysql-systemd: ERROR! mysqld_safe with PID 8787 has already exited: FAILUREJan 14 01:15:50 localhost systemd: mysql.service: control process exited, code=exited status=1Jan 14 01:15:50 localhost mysql-systemd: WARNING: mysql pid file /var/run/mysqld/mysqld.pid empty or not readableJan 14 01:15:50 localhost mysql-systemd: ERROR! mysql already deadJan 14 01:15:50 localhost systemd: mysql.service: control process exited, code=exited status=2Jan 14 01:15:50 localhost mysql-systemd: WARNING: mysql pid file /var/run/mysqld/mysqld.pid empty or not readable```I have no idea for this error.Do you have any opinion?

By: Aviram

This is great, but what's next?

There needs to be a some sort of floating IP address for the cluster that I can tell an application to write to, no? Otherwise there's no point...