Tag: No route to host  – Cause:  Errors occurred while attempting to establish Transmission Control Protocol (TCP) connectivity between the identified two interfaces.

19c gridSetup.sh throws errors: PRVG-11095 : The TCP system call “connect” failed with error “113” while executing exectask on node “racnode2”

The following errors occur when running Oracle 19c gridSetup.sh:

Summary of node specific errors racnode2  
- PRVG-11067 : TCP connectivity from node "racnode2": "10.2.2.2" to node "racnode1": "10.2.2.1" failed.
PRVG-11095 : The TCP system call "connect" failed with error "113" while executing exectask on node "racnode2"
No route to host  - Cause:  Errors occurred while attempting to establish Transmission Control Protocol (TCP) connectivity between the identified two interfaces.  
- Action:  Ensure that there are no firewalls blocking TCP operations and no process monitors running that can interfere with programs'' network operations. racnode1  - PRVG-11067 : TCP connectivity from node "racnode1": "10.2.2.1" to node "racnode2": "10.2.2.2" failed.

PRVG-11095 : The TCP system call "connect" failed with error "113" while executing exectask on node "racnode1"
No route to host  - Cause:  Errors occurred while attempting to establish Transmission Control Protocol (TCP) connectivity between the identified two interfaces.  
- Action:  Ensure that there are no firewalls blocking TCP operations and no process monitors running that can interfere with programs'' network operations.

SOLUTION

Stop and disable firewalld.

# systemctl status firewalld

# systemctl stop firewalld

# systemctl disable firewalld