# mysql stops on centos7 with no reason

**URL:** <https://forums.percona.com/t/mysql-stops-on-centos7-with-no-reason/4596>\
**Category:** Percona XtraDB Cluster 5.x\
**Created:** [December 14, 2015, 3:29am UTC](https://forums.percona.com/t/mysql-stops-on-centos7-with-no-reason/4596 "2015-12-14T03:29:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![appigatla](https://avatars.discourse-cdn.com/v4/letter/a/839c29/32.png) [@appigatla](https://forums.percona.com/u/appigatla)\
**Post date:** [December 14, 2015, 3:29am UTC](https://forums.percona.com/t/mysql-stops-on-centos7-with-no-reason/4596/1 "2015-12-14T03:29:31Z")

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Hi,

Recently I have installed Percona-XtraDB-Cluster-56-5.6.26-25.12.1.el7.x86\_64 on CentOS 7. It is a 3 node cluster and only one node takes writes. MySQL stops on nodes once in 2-3 days with not much info in the error log. Has anyone faced similar issue?

in /var/log/messages

Dec 13 03:53:40 ip-172-31-44-2 mysqld\_safe: /usr/bin/mysqld\_safe: line 185: 30682 Aborted nohup /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --wsrep-provider=/usr/lib64/galera/libgalera\_smm.so --log-error=/var/lib/mysql/mysqld.err --pid-file=/var/lib/mysql/mysqld.pid --wsrep\_start\_position=1172b3f6-9ca2-11e5-b5d1-0a6d2db9efe6:2336679 \< /dev/null \>\> /var/lib/mysql/mysqld.err 2\>&1  
Dec 13 03:53:40 ip-172-31-44-2 mysqld\_safe: 151213 03:53:40 mysqld\_safe Number of processes running now: 0  
Dec 13 03:53:40 ip-172-31-44-2 mysqld\_safe: 151213 03:53:40 mysqld\_safe WSREP: not restarting wsrep node automatically  
Dec 13 03:53:40 ip-172-31-44-2 mysqld\_safe: 151213 03:53:40 mysqld\_safe mysqld from pid file /var/lib/mysql/mysqld.pid ended  
Dec 13 03:53:40 ip-172-31-44-2 mysql-systemd: /usr/bin/mysql-systemd: line 261: kill: (30682) - No such process  
Dec 13 03:53:40 ip-172-31-44-2 mysql-systemd: ERROR! Failed to stop the server with PID: 30682 with 1 status  
Dec 13 03:53:40 ip-172-31-44-2 systemd: mysql.service: control process exited, code=exited status=1  
Dec 13 03:53:40 ip-172-31-44-2 mysql-systemd: /usr/bin/mysql-systemd: line 204: kill: (30682) - No such process  
Dec 13 03:53:40 ip-172-31-44-2 mysql-systemd: WARNING: mysql already dead  
Dec 13 03:53:40 ip-172-31-44-2 mysql-systemd: ERROR! Stale PID file: /var/lib/mysql/mysqld.pid  
Dec 13 03:53:40 ip-172-31-44-2 systemd: mysql.service: control process exited, code=exited status=3  
Dec 13 03:53:40 ip-172-31-44-2 systemd: Unit mysql.service entered failed state.

in mysqld.err  
2015-12-13 03:53:40 30682 [Note] WSREP: view((empty))  
2015-12-13 03:53:40 30682 [Note] WSREP: gcomm: closed  
2015-12-13 03:53:40 30682 [Note] WSREP: /usr/sbin/mysqld: Terminated.  
151213 03:53:40 mysqld\_safe Number of processes running now: 0  
151213 03:53:40 mysqld\_safe WSREP: not restarting wsrep node automatically  
151213 03:53:40 mysqld\_safe mysqld from pid file /var/lib/mysql/mysqld.pid ended