Thanks .
I tried also the obvious, complete removal and reinstallation with the same results :-(
[root@tiger log]# dnf remove mariadb mariadb-server
Dependencies resolved.
=============================================================================================================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================================================================================================
Removing:
mariadb x86_64 1:10.0.21-1.fc23 @updates 37 M
mariadb-server x86_64 1:10.0.21-1.fc23 @updates 86 M
Transaction Summary
=============================================================================================================================================================================================================================================
Remove 2 Packages
Installed size: 124 M
Is this ok [y/N]: y
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Erasing : mariadb-server-1:10.0.21-1.fc23.x86_64 1/2
Erasing : mariadb-1:10.0.21-1.fc23.x86_64 2/2
Verifying : mariadb-server-1:10.0.21-1.fc23.x86_64 1/2
Verifying : mariadb-1:10.0.21-1.fc23.x86_64 2/2
Removed:
mariadb.x86_64 1:10.0.21-1.fc23 mariadb-server.x86_64 1:10.0.21-1.fc23
Complete!
[root@tiger log]# dnf install mariadb mariadb-server
Failed to synchronize cache for repo 'Dropbox' from '
http://linux.dropbox.com/fedora/23/': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried, disabling.
Last metadata expiration check performed 1:07:58 ago on Tue Nov 24 10:51:11 2015.
Dependencies resolved.
=============================================================================================================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================================================================================================
Installing:
mariadb x86_64 1:10.0.21-1.fc23 updates 6.0 M
mariadb-server x86_64 1:10.0.21-1.fc23 updates 18 M
Transaction Summary
=============================================================================================================================================================================================================================================
Install 2 Packages
Total download size: 24 M
Installed size: 124 M
Is this ok [y/N]: y
Downloading Packages:
(1/2): mariadb-10.0.21-1.fc23.x86_64.rpm 1.8 MB/s | 6.0 MB 00:03
(2/2): mariadb-server-10.0.21-1.fc23.x86_64.rpm 1.1 MB/s | 18 MB 00:16
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 1.3 MB/s | 24 MB 00:18
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Installing : mariadb-1:10.0.21-1.fc23.x86_64 1/2
Installing : mariadb-server-1:10.0.21-1.fc23.x86_64 2/2
Verifying : mariadb-1:10.0.21-1.fc23.x86_64 1/2
Verifying : mariadb-server-1:10.0.21-1.fc23.x86_64 2/2
Installed:
mariadb.x86_64 1:10.0.21-1.fc23 mariadb-server.x86_64 1:10.0.21-1.fc23
Complete!
[root@tiger log]# systemctl restart mariadb.service
Job for mariadb.service failed because the control process exited with error code. See "systemctl status mariadb.service" and "journalctl -xe" for details.
[root@tiger log]#