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Resolved Plesk update Mysql Server

Please post the log of the installation attempt where it can be seen what exactly lead to the "failure" message. Else it will not be possible for forum users to assist.
 
Thx a lot for your help on sunday ;-)

This is the end of the autoinstaller3.log :

Code:
Traceback (most recent call last):
  File "/usr/local/psa/bin/yum_install", line 239, in <module>
    main()
  File "/usr/local/psa/bin/yum_install", line 225, in main
    inst, rem = installer.resolve(to_install, opts.remove, opts.tries)
  File "/usr/local/psa/bin/yum_install", line 157, in resolve
    raise Exception("Failed to solve dependencies:\n" + '\n'.join(msgs))
Exception: Failed to solve dependencies:
plesk-mysql-server-17.5.3-cos7.build1705170317.16.x86_64 requires mariadb-server >= 5.0.60
 
It seems that your existing MariaDB server is older than 5.0.60. In that case you must first upgrade your MariaDB to a newer version. The latest version that is fully supported by Plesk, is version 10.1 (not the 10.2 that is available, too). A general description how to do an upgrade can be found here, although it refers to the wrong version: Vultr: High Performance SSD Cloud. A general description can also be found here: How to Upgrade MariaDB 5.5 to MariaDB 10.1 on CentOS/RHEL 7 and Debian Systems but this is not Plesk specific. Anway, you will see that it is basically the same scheme. Again: Do not upgrade to 10.2, but to 10.1 only. I suggest to do a full database dump before you do that upgrade so that in case of issues you have a complete dump available for reimport. Normally, the MariaDB upgrade should not be too much of an issue. After that upgrade you should be able to run the Plesk upgrade routine.
 
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