In this blog post, I’ll look at how to make Percona XtraDB Cluster and SELinux work when used together.
Recently, I encountered an issue with Percona XtraDB Cluster startup. We tried to setup a three-node cluster using Percona XtraDB Cluster with a Vagrant CentOS box, but somehow node2 was not starting. I did not get enough information to debug the issue in the donor/joiner error log. I got only the following error message:
2018-02-08 16:58:48 7910 [Note] WSREP: Running: 'wsrep_sst_xtrabackup-v2 --role 'joiner' --address '192.168.100.20' --datadir '/var/lib/mysql/' --defaults-file '/etc/my.cnf' --defaults-group-suffix '' --parent '7910' --binlog 'mysql-bin' ' 2018-02-08 16:58:48 7910 [ERROR] WSREP: Failed to …[Read more]