rpcbind.socket failed to listen on sockets: Address family not supported by protocol (4042842)

system --show
System Name                     : qs1
Current Time                    : Thu Nov  5 10:33:56 2020 GMT
System ID                       : 3ADB104202F3A2A643B0ACC7AD9FB86A
Product Name                    : QORESTOR
Version                         : 6.1.0
Build                           : 840
Repository location             : /qsoca/ocaroot
Metadata location               : /qsmeta/qs_metadata
Dictionary type                 : Cloud-Optimized
System State                    : Stopped

• Create a backup of /etc/sysctl.conf
  cp /etc/sysctl.conf /etc/sysctl.conf.bak

• Open sysctl.conf with vi
  vi /etc/sysctl.conf

• Comment the lines net.ipv6.conf.all.disable_ipv6 = 1 and net.ipv6.conf.default.disable_ipv6 = 1
  

  Before:
  net.ipv6.conf.all.disable_ipv6 = 1
  net.ipv6.conf.default.disable_ipv6 = 1
  
  After:
  # net.ipv6.conf.all.disable_ipv6 = 1
  # net.ipv6.conf.default.disable_ipv6 = 1
  

• Save the changes and exit vi

• Run reboot to restart the server

• Run watch system --show to monitor QoreStor (press Ctrl+C to exit)

• Once the status below shows in the output, QoreStor is operational and backups can be restarted
  

  System State                    : Operational Mode
  Reason                          : Filesystem is fully operational for I/O.