Errors are seen trying to run the Vertica backup.
Unable to run local backup for Vertica using vbr.py script.
Unable to run remote backup for Vertica using vbr.py script.
We are trying to set up a Vertica backup using vbr.py.
We are trying to set up a Vertica copycluster using vbr.py.
We have validated that the dradmin user has passwordless ssh enabled and working.
The backups fail with this message:
[[email protected] backup]$ /opt/vertica/bin/vbr.py --task backup --config-file /home/dradmin/backup/backup_snapshot.ini
Error: Errors connecting to remote hosts: <IP>. Check SSH settings, and that the same Vertica version is installed on all nodes.
All supported DX NetOps Performance Management releases
The ssh configuration in the sshd_config file is set with No for AllowTcpForwarding.
Vertica requires AllowTcpForwarding set to Yes in the /etc/ssh/sshd_config on both source and destination systems.
To resolve the error take the following steps on all systems involved, both source and destination.
The backup command using vbr.py should succeed.
Vertica Configuring Backup Hosts documentation
Notes/Tips for SSH configuration: