Message logs in the Management Console of the Cloud Failover Appliance (CFA) show the following error:
VMwareBackupJobRunner: error encountered during VM backup: com.rvx.vmware.exceptions.VmwareBackupException: com.rvx.vmware.exceptions.RunnerStatusFailedException: com.rvx.nativ.vmware.vixexceptions.VixEHOSTNETWORKCONNREFUSED: NBD_ERR_NETWORK_CONNECT
A VMware VM backup job fails immediately at waiting for disk connection or is pending for up to 10 minutes at waiting for disk connection.
The command to create the snapshot goes out to the host over 443, and some info is gathered at the same time. Then we connect over port 902 to the host to open the VMDK and copy the contents.
If the connection from the CFA to the host on port 902 is blocked, then we will not be able to access the contents of the VMDK we are trying to back up. If the connection is rejected, the job may fail in only a few seconds. If the connection is dropped, then we will have to time out (which seems to take about 10 minutes).
Steps to resolve
Verify access to port 902. For this:
In the CFA Management Console, go to the Support tab.
In the Run box, enter
telnet host 902where
hostis the name of the VMware host, and then click Execute.
root@qa-007:ssh:~ $ telnet qaesx1 902 Trying 172.16.5.5... Connected to qaesx1.infrascale.co Escape character is '^]'. 220 VMware Authentication Daemon Version 1.10: SSL Required, ServerDaemonProtocol:SOAP, MKSDisplayProtocol:VNC, VMXARGS supported, NFCSSL supported
root@qa-007:ssh:~ $ telnet qaesx2 902 Trying 172.16.5.6...
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