Connection Failure with BDRShield Backup Server
KB ID: 101008
Cause:
The error of connection failure with the BDRShield Backup Server occurs when the BDRShield Client for File & Application Backup, BDRShield Client for VMware/Hyper-V Backup/Windows/Linux is unable to establish a connection with the server. Consequently, the BDRShield Client' cannot send backup details to the BDRShield Backup Server, leading to backup failures.
This connectivity issue may arise due to several reasons:
1. BDRShield service is not running on the BDRShield Backup Server machine.
2. Backup Port (default 32004) on the BDRShield Backup Server is not in LISTEN state.
3. BDRShield Client agent is unable to connect to the BDRShield Backup Server's Backup Port (default 32004).
4. NAT/Firewall configuration in the BDRShield Backup Server or BDRShield Client may block port 32004.
5. The connection between the client and server gets prematurely closed by an external force while the BDRShield client agent processes backup data.
6. The IP address/DNS name of the BDRShield Backup Server might have been modified.
To resolve this connection failure issue, follow these steps:
1. Check if the BDRShield service is running on the BDRShield Backup Server machine. Go to 'Run,' type “Services.msc,” and check the status of the BDRShield service. If not started, right-click and start the service.
2. Verify if the Backup Port is in LISTEN state by running the appropriate command on the BDRShield Backup Server machine, depending on the operating system:
- For Windows OS: `netstat -an | find "32004"`
- For Linux OS: `netstat -an | find "34005"`
3. Confirm whether the client can connect to the BDRShield Backup Server through the TCP Port (default 32004). Execute the following command in the Client machine's command prompt: `telnet <server_ip_address/DNS_name> 32004`
4. If the backup port is not listening, ensure that both the BDRShield Backup Server and the BDRShield Client are configured with the same Backup Port (by default, the port should be 32004). Verify this by checking the `<backup_port>` value in the `<bdrsuite_installation_location>/conf/SGConfiguration.conf` file.
5. If the BDRShield Service is running successfully in both the BDRShield Backup Server and BDRShield Client machines, but the telnet command fails, check the NAT/Firewall settings and ensure that the Backup Port (default 32004) is open for incoming traffic on the BDRShield Backup Server machine and outgoing traffic on the BDRShield Client.
6. If the above steps do not resolve the issue, contact BDRShield support at
vembu-support@vembu.com for further assistance.