Xtradb Cluster 5.7, Can't Connect Nodes

[Dmitriy]

I opened new topic:

Xtradb Cluster 5.7, Can’t Connect Another Nodes

Hello! I have following problem with Percona Xtradb Cluster 5.7: Test environment: 4 hosts: ipa01.test.local (CentOS 7) | 10.0.2.22 - DC/DNS per01.test.local (Ubuntu 20.04 LTS) | 10.0.2.30 - that host will be bootstrap per02.test.local (Ubuntu 20.04 LTS) | 10.0.2.31 - slave per03.test.local (Ubuntu 20.04 LTS) | 10.0.2.32 - slave Configure OS after installation: 1. Set /etc/hosts. For example per01.test.local: 127.0.0.1 localhost 127.0.1.1 per01 10.0.2.20 per01 per01.test.local 2. Set n…