Hi, danke erstmal für die Antwort.

updates sind alle installiert.

Systemmeldungen der letzten Stunde:
Mon Mar 20 12:10:01 CET 2017 cron helios2 CROND[30135]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 12:10:10 CET 2017 messages helios2 pcshare[2680]: unauthorized request SMBecho($2b) from client 192.168.0.211 rejected; state: 2
Mon Mar 20 12:10:10 CET 2017 messages helios2 pcshare[2680]: unauthorized request SMBtconX($75) from client 192.168.0.211 rejected; state: 2
Mon Mar 20 12:20:01 CET 2017 cron helios2 CROND[30291]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 12:25:01 CET 2017 cron helios2 CROND[30349]: (pcp) CMD ( /usr/libexec/pcp/bin/pmlogger_check -C)
Mon Mar 20 12:28:01 CET 2017 cron helios2 CROND[30426]: (pcp) CMD ( /usr/libexec/pcp/bin/pmie_check -C)
Mon Mar 20 12:30:01 CET 2017 cron helios2 CROND[30493]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 12:40:01 CET 2017 cron helios2 CROND[30595]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 12:43:02 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:43:58 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:44:57 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:45:52 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:46:51 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:47:47 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:48:37 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:49:41 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:50:01 CET 2017 cron helios2 CROND[30695]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 12:50:40 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:51:26 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:52:25 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:53:30 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:54:21 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:55:01 CET 2017 cron helios2 CROND[30752]: (pcp) CMD ( /usr/libexec/pcp/bin/pmlogger_check -C)
Mon Mar 20 12:55:25 CET 2017 messages helios2 avahi-daemon[975]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)
Mon Mar 20 12:58:01 CET 2017 cron helios2 CROND[30827]: (pcp) CMD ( /usr/libexec/pcp/bin/pmie_check -C)
Mon Mar 20 13:00:01 CET 2017 cron helios2 CROND[30898]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mon Mar 20 13:00:01 CET 2017 cron helios2 CROND[30899]: (root) CMD ("/usr/local/helios"/sbin/helios.daily hourly)
Mon Mar 20 13:01:01 CET 2017 cron helios2 CROND[30930]: (root) CMD (run-parts /etc/cron.hourly)
Mon Mar 20 13:01:01 CET 2017 cron helios2 run-parts(/etc/cron.hourly)[30930]: starting 0anacron
Mon Mar 20 13:01:01 CET 2017 cron helios2 run-parts(/etc/cron.hourly)[30942]: finished 0anacron

Wobei die avahi-daemon Meldung auch beim UB2 Server in den Meldungen erscheint, er wirft die Volumes nicht aus.

Vielleicht hilft das? Ich denke ich muss einmal einen Linux/Red Hat Lehrgang besuchen.