# CentOS 7

**URL:** <https://forums.percona.com/t/centos-7/3980>\
**Category:** Percona XtraDB Cluster 5.x\
**Created:** [January 6, 2015, 6:34pm UTC](https://forums.percona.com/t/centos-7/3980 "2015-01-06T18:34:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![skinfrakki](https://avatars.discourse-cdn.com/v4/letter/s/cc9497/32.png) [@skinfrakki](https://forums.percona.com/u/skinfrakki)\
**Post date:** [January 6, 2015, 6:34pm UTC](https://forums.percona.com/t/centos-7/3980/1 "2015-01-06T18:34:46Z")

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How do you bootstrap with CentOS 7 systemctl? Get the following error:

systemctl start mysqld --wsrep-cluster-address=“gcomm://”

systemctl: unrecognized option ‘–wsrep-cluster-address=gcomm://’

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**Author:** ![jrivera](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jrivera/32/13_2.png) [@jrivera](https://forums.percona.com/u/jrivera)\
**Post date:** [January 6, 2015, 9:24pm UTC](https://forums.percona.com/t/centos-7/3980/2 "2015-01-06T21:24:31Z")

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Try to bootstrap PXC this way:

systemctl start [mysql&#64;bootstrap.servic](mailto:mysql&#64;bootstrap.servic)e

This is mentioned on the blog written by Przemek here - [url][http://www.percona.com/blog/2014/09/01/galera-replication-how-to-recover-a-pxc-cluster/[/url]](http://www.percona.com/blog/2014/09/01/galera-replication-how-to-recover-a-pxc-cluster/%5B/url%5D) (see scenario 3)