Erlang (epmd) daemon is incorrectly configured in Swift nodes

Solution Verified - Updated -

Issue

  • Swift storage nodes have the Erlang (epmd) service deployed and enabled, believe this is unnecessary and should be fixed/removed.

    $ ps axf

   2832 ?        Ss     0:00 /usr/sbin/crond -n
  27115 ?        S      0:00 /usr/lib64/erlang/erts-7.3.1.4/bin/epmd -daemon
  27418 ?        Ss     0:00 /usr/sbin/ntpd -u ntp:ntp -g
  27598 ?        Ss     0:00 /usr/sbin/sshd -D
  39047 ?        Ss     0:00  \_ sshd: heat-admin [priv]
  39050 ?        S      0:00      \_ sshd: heat-admin@pts/0
  39051 pts/0    Ss     0:00          \_ -bash
  42465 pts/0    R+     0:00              \_ ps axf
  38333 ?        Ss     0:00 /usr/sbin/snmpd -LS0-6d -f
  38363 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-account-replicator /etc/swift/account-server.conf
  38393 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-account-reaper /etc/swift/account-server.conf
  38436 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-account-auditor /etc/swift/account-server.conf
  38473 ?        Ss     0:02 /usr/bin/python2 /usr/bin/swift-object-server /etc/swift/object-server.conf
  38550 ?        S      0:00  \_ /usr/bin/python2 /usr/bin/swift-object-server /etc/swift/object-server.conf
  38519 ?        Ss     0:02 /usr/bin/python2 /usr/bin/swift-account-server /etc/swift/account-server.conf
  38599 ?        S      0:00  \_ /usr/bin/python2 /usr/bin/swift-account-server /etc/swift/account-server.conf
  38564 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-object-replicator /etc/swift/object-server.conf
  38601 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-object-auditor /etc/swift/object-server.conf
  38641 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-object-updater /etc/swift/object-server.conf
  38694 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-container-replicator /etc/swift/container-server.conf
  38741 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-container-auditor /etc/swift/container-server.conf
  38781 ?        Ss     0:02 /usr/bin/python2 /usr/bin/swift-container-server /etc/swift/container-server.conf
  38857 ?        S      0:00  \_ /usr/bin/python2 /usr/bin/swift-container-server /etc/swift/container-server.conf
  38831 ?        Ss     0:00 /usr/bin/python2 /usr/bin/swift-container-updater /etc/swift/container-server.conf

Environment

  • Red Hat OpenStack Platform Version 10.0

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