package:percona-xtradb-cluster-server-5.7:5.7.20-29.24-0ubuntu2.1
Setting up percona-xtradb-cluster-server-5.7 (5.7.20-29.24-0ubuntu2.1) ...
Kein Verzeichnis, Anmeldung mit HOME=/
mysqld: Can't create directory '/var/lib/percona-xtradb-cluster/' (Errcode: 17 - File exists)
2018-10-01T13:04:39.600516Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-10-01T13:04:39.615937Z 0 [Warning] WSREP: Node is running in bootstrap/initialize mode. Disabling pxc_strict_mode checks
2018-10-01T13:04:39.778361Z 0 [ERROR] Aborting

dpkg: error processing package percona-xtradb-cluster-server-5.7 (--configure):
 installed percona-xtradb-cluster-server-5.7 package post-installation script subprocess returned error exit status 1