Symptoms

From the /opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log file: ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:YYYY-MM-DDTHH:MM:SSZ ERROR: [1268:7F4794001E30] ddp_connect_with_config_internal() failed, Hostname: 110DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:YYYY-MM-DDTHH:MM:SSZ ERROR: [1268:7F4794001E30] ddp_connect_with_config() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T07:08:43Z ERROR: [1268:7F4778001C80] ddp_connect_with_config_internal() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T07:08:43Z ERROR: [1268:7F4778001C80] ddp_connect_with_config() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ---- Skipping Lines ---- ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T13:59:20Z ERROR: [1268:7F4778001C80] ddp_connect_with_config() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T14:06:29Z INFO: [1268:7F476C001C80] ddcl_nfs_open_tcp - Timed out trying to resolve the hostname: DD###_T4 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T14:15:29Z ERROR: [1268:7F476C001C80] ddp_connect_with_config_internal() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 ./opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-boost.log:2023-11-01T14:15:29Z ERROR: [1268:7F476C001C80] ddp_connect_with_config() failed, Hostname: DD###_T4, Err: 5037-Cannot resolve IP address from Host DD###_T4-failover for ip family 0 From /nsr/logs/daemon.raw: 71193 MM/DD/YYYY HH:MM:SS AM 0 0 0 4988 4616 0 my_networker_server nsrd NSR info Media Info: Failed to start nsrsnmd on host my_storagenode_name, error `RPC error: Failed to connect to host 'my_storagenode_name': Remote system error - No connection could be made because the target machine actively refused it. See Dell article 22793, NetWorker: How to use nsr_render_log

Cause

Name Resolution Issue at vProxy Host Level

Resolution

Manually add the IP address, FQDN, Short Name of vCenter, Data Domain, NetWorker, and Storage Node in /etc/hosts of vProxy Host.Start vProxy VM backups now. Log in to the vProxy PuTTY Session as admin then switch to root: sudo su - root Run the following command to create a /etc/host entry # echo "IP_of_vCenter FQDN_of_vCenter ShortName_of_vCenter" >> /etc/hosts SAMPLE: # echo "10.10.10.10 myvcenter.abc.com myvcenter" >> /etc/hosts # echo "IP_of_DD FQDN_of_DD ShortName_of_DD" >> /etc/hosts # echo "IP_of_NWServer FQDN_of_NWServer ShortName_of_NWServer" >> /etc/hosts # echo "IP_of_StorageNode FQDN_of_StorageNode ShortName_of_StorageNode" >> /etc/hosts

Support Cases