# Integrate replication to percona operator pxc cluster frm existing mysql cluster **URL:** \ **Category:** Percona Operator for MySQL\ **Created:** [October 4, 2022, 9:40am UTC](https://forums.percona.com/t/integrate-replication-to-percona-operator-pxc-cluster-frm-existing-mysql-cluster/17830 "2022-10-04T09:40:59Z")\ **Posts on this page:** 2\ **Page:** 2
**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\ **Post date:** [October 20, 2022, 1:36pm UTC](https://forums.percona.com/t/integrate-replication-to-percona-operator-pxc-cluster-frm-existing-mysql-cluster/17830/21 "2022-10-20T13:36:10Z")
It appears that way since MariaDB is incompatible with basic replication protocol. Even the most recent version of mariadb still shows it missing. [System Variable Differences Between MariaDB 10.8 and MySQL 8.0 - MariaDB Knowledge Base](https://mariadb.com/kb/en/system-variable-differences-between-mariadb-108-and-mysql-80/) And you’re sure you disabled GTID on the PXC cluster? gtid\_mode=OFF? ---
**Author:** ![no\_way](https://avatars.discourse-cdn.com/v4/letter/n/bb73d2/32.png) [@no\_way](https://forums.percona.com/u/no_way)\ **Post date:** [October 20, 2022, 3:53pm UTC](https://forums.percona.com/t/integrate-replication-to-percona-operator-pxc-cluster-frm-existing-mysql-cluster/17830/22 "2022-10-20T15:53:15Z")
> It appears that way since MariaDB is incompatible with basic replication protocol. Even the most recent version of mariadb still shows it missing. [System Variable Differences Between MariaDB 10.8 and MySQL 8.0 - MariaDB Knowledge Base](https://mariadb.com/kb/en/system-variable-differences-between-mariadb-108-and-mysql-80/) yes I’d looked system variable diffecrences > And you’re sure you disabled GTID on the PXC cluster? gtid\_mode=OFF? yes, my my.cnf configmap > apiVersion: v1 > data: > my.cnf: | > [mysqld] > slow\_query\_log=1 > long\_query\_time=1 > gtid\_mode=OFF > kind: ConfigMap > metadata: > name: cluster-pxc and online check : ```auto MySQL [(none)]> show variables like "%gtid_mode%"; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | gtid_mode | OFF | +---------------+-------+ 1 row in set (0,053 sec) ``` thanks! [Previous page](https://forums.percona.com/t/integrate-replication-to-percona-operator-pxc-cluster-frm-existing-mysql-cluster/17830.md?page=1)