Upgrade from MariaDB 5.5.36 via yum fails

Downloading Packages:

MariaDB-10.0.9-centos6-x86_64-server.rpm                                                                                                            |  51 MB     03:10

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

Error in PREIN scriptlet in rpm package MariaDB-server-10.0.9-1.el6.x86_64

******************************************************************

A MySQL or MariaDB server package (MariaDB-server-5.5.36-1.el6.x86_64

MariaDB-server-5.5.36-1.el6.x86_64) is installed.

The current MariaDB server package is provided by a different

vendor (package MariaDB-server-5.5.36-1.el6.x86_64

MariaDB-server-5.5.36-1.el6.x86_64 is not installed) than Monty Program AB.  Some files may be installed

to different locations, including log files and the service

startup script in /etc/init.d/.

...

This is a brief description of the upgrade process.  Important details

can be found in the MariaDB manual, in the Upgrading section.

******************************************************************

error: %pre(MariaDB-server-10.0.9-1.el6.x86_64) scriptlet failed, exit status 1

error:   install: %pre scriptlet failed (2), skipping MariaDB-server-10.0.9-1.el6

  Verifying  : MariaDB-server-10.0.9-1.el6.x86_64                                                                                                                      1/2

MariaDB-server-5.5.36-1.el6.x86_64 was supposed to be removed but is not!

  Verifying  : MariaDB-server-5.5.36-1.el6.x86_64                                                                                                                      2/2

Failed:

  MariaDB-server.x86_64 0:5.5.36-1.el6                                                 MariaDB-server.x86_64 0:10.0.9-1.el6