Here is the install output with PERCONA_DEBUG set to 1 # yum -y install Percona-Server-client-55 Percona-Server-devel-55 Percona-Server-server-55 Percona-Server-shared-55 Loaded plugins: downloadonly, fastestmirror, replace Loading mirror speeds from cached hostfile * base: mirror.solarvps.com * epel: mirror.us.leaseweb.net * extras: mirror.ash.fastserv.com * ius: mirror.symnds.com * updates: mirror.solarvps.com Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package Percona-Server-client-55.x86_64 0:5.5.32-rel31.0.549.rhel6 will be installed ---> Package Percona-Server-devel-55.x86_64 0:5.5.32-rel31.0.549.rhel6 will be installed ---> Package Percona-Server-server-55.x86_64 0:5.5.32-rel31.0.549.rhel6 will be installed ---> Package Percona-Server-shared-55.x86_64 0:5.5.32-rel31.0.549.rhel6 will be installed --> Finished Dependency Resolution Dependencies Resolved ====================================================================================================== Package Arch Version Repository Size ====================================================================================================== Installing: Percona-Server-client-55 x86_64 5.5.32-rel31.0.549.rhel6 percona 6.3 M Percona-Server-devel-55 x86_64 5.5.32-rel31.0.549.rhel6 percona 2.8 M Percona-Server-server-55 x86_64 5.5.32-rel31.0.549.rhel6 percona 15 M Percona-Server-shared-55 x86_64 5.5.32-rel31.0.549.rhel6 percona 647 k Transaction Summary ====================================================================================================== Install 4 Package(s) Total download size: 25 M Installed size: 104 M Downloading Packages: (1/4): Percona-Server-client-55-5.5.32-rel31.0.549.rhel6.x86_64.rpm | 6.3 MB 00:00 (2/4): Percona-Server-devel-55-5.5.32-rel31.0.549.rhel6.x86_64.rpm | 2.8 MB 00:00 (3/4): Percona-Server-server-55-5.5.32-rel31.0.549.rhel6.x86_64.rpm | 15 MB 00:00 (4/4): Percona-Server-shared-55-5.5.32-rel31.0.549.rhel6.x86_64.rpm | 647 kB 00:00 ------------------------------------------------------------------------------------------------------ Total 19 MB/s | 25 MB 00:01 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : Percona-Server-shared-55-5.5.32-rel31.0.549.rhel6.x86_64 1/4 Installing : Percona-Server-client-55-5.5.32-rel31.0.549.rhel6.x86_64 2/4 Installing : Percona-Server-server-55-5.5.32-rel31.0.549.rhel6.x86_64 3/4 Non-fatal POSTIN scriptlet failure in rpm package Percona-Server-server-55-5.5.32-rel31.0.549.rhel6.x86_64 /var/tmp/rpm-tmp.pdaUUf: line 105: [: /opt/mysql/dbdata1/test: binary operator expected /var/tmp/rpm-tmp.pdaUUf: line 124: [: /opt/mysql/dbdata1/test: binary operator expected + '[' -x /usr/bin/my_print_defaults ']' ++ sed -n s/--datadir=//p ++ grep '^--datadir=' ++ /usr/bin/my_print_defaults server mysqld + mysql_datadir='/opt/mysql/dbdata1/test /opt/mysql/dbdata1/test' + '[' -z '/opt/mysql/dbdata1/test /opt/mysql/dbdata1/test' ']' + NEW_VERSION=5.5.32-rel31.0.549.rhel6 + STATUS_FILE='/opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER' + '[' -f /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER ']' /var/tmp/rpm-tmp.h2Bjod: line 19: [: /opt/mysql/dbdata1/test: binary operator expected + SERVER_TO_START= + '[' 1 -eq 1 ']' + '[' '!' -d /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test ']' /var/tmp/rpm-tmp.h2Bjod: line 29: [: /opt/mysql/dbdata1/test: binary operator expected + '[' '!' -d /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/mysql ']' /var/tmp/rpm-tmp.h2Bjod: line 31: [: /opt/mysql/dbdata1/test: binary operator expected + echo 'MySQL RPM upgrade to version 5.5.32-rel31.0.549.rhel6' /var/tmp/rpm-tmp.h2Bjod: line 35: /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER: No such file or directory + groupadd -r mysql + true + useradd -M -r -d /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test -s /bin/bash -c 'MySQL server' -g mysql mysql + true + usermod -g mysql mysql + test '!' -e /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/mysql /var/tmp/rpm-tmp.h2Bjod: line 56: test: /opt/mysql/dbdata1/test: binary operator expected + '[' -x /sbin/chkconfig ']' + /sbin/chkconfig --add mysql + chown -R mysql:mysql /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test + chmod -R og-rw /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/mysql chmod: cannot access `/opt/mysql/dbdata1/test/mysql': No such file or directory + SETARGETDIR=/etc/selinux/targeted/src/policy + SEDOMPROG=/etc/selinux/targeted/src/policy/domains/program + SECONPROG=/etc/selinux/targeted/src/policy/file_contexts/program + '[' -f /etc/redhat-release ']' + grep -q 'Red Hat Enterprise Linux .. release 4' /etc/redhat-release + grep -q 'CentOS release 4' /etc/redhat-release + '[' -x sbin/restorecon ']' + sbin/restorecon -R var/lib/mysql + '[' '' = true ']' + echo 'Percona Server is distributed with several useful UDF (User Defined Function) from Maatkit.' Percona Server is distributed with several useful UDF (User Defined Function) from Maatkit. + echo 'Run the following commands to create these functions:' Run the following commands to create these functions: + echo 'mysql -e "CREATE FUNCTION fnv1a_64 RETURNS INTEGER SONAME '\''libfnv1a_udf.so'\''"' mysql -e "CREATE FUNCTION fnv1a_64 RETURNS INTEGER SONAME 'libfnv1a_udf.so'" + echo 'mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME '\''libfnv_udf.so'\''"' mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'" + echo 'mysql -e "CREATE FUNCTION murmur_hash RETURNS INTEGER SONAME '\''libmurmur_udf.so'\''"' mysql -e "CREATE FUNCTION murmur_hash RETURNS INTEGER SONAME 'libmurmur_udf.so'" + echo 'See http://code.google.com/p/maatkit/source/browse/trunk/udf for more details' See http://code.google.com/p/maatkit/source/browse/trunk/udf for more details ++ date + echo 'Upgrade/install finished at Sun Jul 14 02:22:10 UTC 2013' /var/tmp/rpm-tmp.h2Bjod: line 145: /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER: No such file or directory + echo /var/tmp/rpm-tmp.h2Bjod: line 146: /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER: No such file or directory + echo ===== /var/tmp/rpm-tmp.h2Bjod: line 147: /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER: No such file or directory + STATUS_HISTORY='/opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_HISTORY' + cat /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER /var/tmp/rpm-tmp.h2Bjod: line 149: /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_HISTORY: No such file or directory + mv -f /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER /opt/mysql/dbdata1/test /opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER-LAST mv: target `/opt/mysql/dbdata1/test/RPM_UPGRADE_MARKER-LAST' is not a directory warning: %post(Percona-Server-server-55-5.5.32-rel31.0.549.rhel6.x86_64) scriptlet failed, exit status 1 Installing : Percona-Server-devel-55-5.5.32-rel31.0.549.rhel6.x86_64 4/4 Verifying : Percona-Server-server-55-5.5.32-rel31.0.549.rhel6.x86_64 1/4 Verifying : Percona-Server-devel-55-5.5.32-rel31.0.549.rhel6.x86_64 2/4 Verifying : Percona-Server-shared-55-5.5.32-rel31.0.549.rhel6.x86_64 3/4 Verifying : Percona-Server-client-55-5.5.32-rel31.0.549.rhel6.x86_64 4/4 Installed: Percona-Server-client-55.x86_64 0:5.5.32-rel31.0.549.rhel6 Percona-Server-devel-55.x86_64 0:5.5.32-rel31.0.549.rhel6 Percona-Server-server-55.x86_64 0:5.5.32-rel31.0.549.rhel6 Percona-Server-shared-55.x86_64 0:5.5.32-rel31.0.549.rhel6 Complete!