I verified it after yum update percona server. PS doesn't starts implicitly. bash-4.1# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.16-64.2-56 Percona Server (GPL), Release 64.2, Revision 569 Copyright (c) 2009-2014 Percona LLC and/or its affiliates Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | test | +--------------------+ 4 rows in set (0.00 sec) mysql> exit bash-4.1# yum -y update "Percona*" Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.softaculous.com * extras: mirror.softaculous.com * updates: mirror.skylink-datacenter.de Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package Percona-Server-client-56.x86_64 0:5.6.16-rel64.2.el6 will be updated ---> Package Percona-Server-client-56.x86_64 0:5.6.17-rel65.0.el6 will be an update ---> Package Percona-Server-server-56.x86_64 0:5.6.16-rel64.2.el6 will be updated ---> Package Percona-Server-server-56.x86_64 0:5.6.17-rel65.0.el6 will be an update ---> Package Percona-Server-shared-56.x86_64 0:5.6.16-rel64.2.el6 will be updated ---> Package Percona-Server-shared-56.x86_64 0:5.6.17-rel65.0.el6 will be an update . . . Downloading Packages: (1/3): Percona-Server-client-56-5.6.17-rel65.0.el6.x86_64.rpm | 6.8 MB 00:02 (2/3): Percona-Server-server-56-5.6.17-rel65.0.el6.x86_64.rpm | 19 MB 00:02 (3/3): Percona-Server-shared-56-5.6.17-rel65.0.el6.x86_64.rpm | 714 kB 00:00 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 4.6 MB/s | 27 MB 00:05 . . Cleanup : Percona-Server-server-56-5.6.16-rel64.2.el6.x86_64 4/6 Cleanup : Percona-Server-client-56-5.6.16-rel64.2.el6.x86_64 5/6 Cleanup : Percona-Server-shared-56-5.6.16-rel64.2.el6.x86_64 6/6 Verifying : Percona-Server-shared-56-5.6.17-rel65.0.el6.x86_64 1/6 Verifying : Percona-Server-client-56-5.6.17-rel65.0.el6.x86_64 2/6 Verifying : Percona-Server-server-56-5.6.17-rel65.0.el6.x86_64 3/6 Verifying : Percona-Server-server-56-5.6.16-rel64.2.el6.x86_64 4/6 Verifying : Percona-Server-client-56-5.6.16-rel64.2.el6.x86_64 5/6 Verifying : Percona-Server-shared-56-5.6.16-rel64.2.el6.x86_64 6/6 Updated: Percona-Server-client-56.x86_64 0:5.6.17-rel65.0.el6 Percona-Server-server-56.x86_64 0:5.6.17-rel65.0.el6 Percona-Server-shared-56.x86_64 0:5.6.17-rel65.0.el6 Complete! bash-4.1# ps -ef | grep mysql root 470 1 0 08:08 ? 00:00:00 grep mysql bash-4.1# service mysql status ERROR! MySQL (Percona Server) is not running