What is the avahi-daemon service and can it be disabled?

Solution Verified - Updated -

Issue

  • What is the avahi-daemon service and can it be disabled?
  • An Oracle RAC Cluster node suddenly rebooted after the following avahi-daemon errors occurred in /var/log/messages:avahi-daemon[9277]: Withdrawing address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Registering new address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Withdrawing address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Registering new address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Withdrawing address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Registering new address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Withdrawing address record for 10.x.x.x on eth1.
avahi-daemon[9277]: Registering new address record for 10.x.x.x on eth1.
  • I want to know how to tell if we need the avahi-daemon.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Oracle RAC

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