https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=348608755939514&parent=SrDetailText&sourceId=3-28020370671&id=2380526.1&_afrWindowMode=0&_adf.ctrl-state=rnqu1sax4_330http://www.cndba.cn/hbhe0316/article/22831

APPLIES TO:
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Linux x86-64
SYMPTOMS
Grid Infrastructure 12.2 Installation fails during firstnode cluster configuration on Linux 7.4.

The following error appear while run root.sh:

2018-03-08 21:46:58: Executing cmd: /app/oracle/grid/bin/srvctl start nodeapps -n racnode1
2018-03-08 21:47:02: Command output:

PRCR-1013 : Failed to start resource ora.ons
PRCR-1064 : Failed to start resource ora.ons on node racnode1
CRS-2674: Start of ‘ora.ons’ on ‘racnode1’ failed

CLSRSC-180: An error occurred while executing the command ‘srvctl start nodeapps -n racnode1’http://www.cndba.cn/hbhe0316/article/22831

CLSRSC-287: FirstNode configuration failed

Multicast is enabled, Doc ID 1348660.1 does not apply in this case. http://www.cndba.cn/hbhe0316/article/22831

$ hostname
‘hostname’ command will sometimes return as ‘racnode1-vip’ instead of ‘racnode1’ http://www.cndba.cn/hbhe0316/article/22831http://www.cndba.cn/hbhe0316/article/22831

/var/log/syslog contains entry similar to:http://www.cndba.cn/hbhe0316/article/22831

… policy: setting system hostname to ‘ ‘ (from address lookup)
CHANGES
New build.

CAUSE
Operating System issue with Networkmanager.

As per below reference, the Network Manager service is not currently enabled by default on Red Hat Enterprise Linux installations for Database Server, but enabled by default on Desktop

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/3/html/Installation_and_Configuration_Guide/Disabling_Network_Manager.htmlhttp://www.cndba.cn/hbhe0316/article/22831

Refer Doc ID 560043.1 for Oracle Linux. NetworkManager software is not recommended for any Linux Servers.

SOLUTION
At the time of writing this document, proceed with Grid Infrastructure installation after permanently disable the networkmanager service

Verify Network Manager is currently enabled using the chkconfig command.

chkconfig —list NetworkManager
Ensure that the Network Manager service is stopped using the service command.

service NetworkManager stop
Ensure that the Network Manager service is disabled using the chkconfig command.

chkconfig NetworkManager offhttp://www.cndba.cn/hbhe0316/article/22831

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