corosync-notifyd (8)

corosync-notifyd [-f] [-l] [-o] [-s] [-m] [manager] [-d] [-h]

corosync-notifyd uses corosync API to listen for important cluster events and can log them, generate dbus signals or genterate snmp traps.

-f

Start application in foreground.

-l

Log all events.

-o

Print events to stdout (turns on -l).

-s

Send SNMP traps on all events.

-m

Set the SNMP manager address.

-d

Send DBUS signals on all events.

-h

Print this help

$ corosync-notifyd -o

corosync-notifyd[18505]: troll[23374016] corosync-notify:18505:12 is now connected to corosync

corosync-notifyd[18505]: troll[23374016] corosync-notify:18505:13 is now disconnected from corosync

corosync-notifyd[18505]: troll[23374016] is now quorate

corosync-notifyd[18505]: r2[1550100672] ip:192.168.100.92 joined

corosync-notifyd[18505]: r2[1550100672] ip:192.168.100.92 left

$ corosync-notifyd -o

Note this output below is from "dbus-monitor --system"

signal sender=:1.216 -> dest=(null destination) serial=2 path=/com/redhat/cluster/corosync; interface=com.redhat.cluster.corosync; member=ConnectionStateChange

   string "troll"

   uint32 23374016

   string "corosync-notify:18900:12"

   string "connected"

signal sender=:1.216 -> dest=(null destination) serial=3 path=/com/redhat/cluster/corosync; interface=com.redhat.cluster.corosync; member=ConnectionStateChange

   string "troll"

   uint32 23374016

   string "corosync-notify:18900:13"

   string "disconnected"

signal sender=:1.216 -> dest=(null destination) serial=4 path=/com/redhat/cluster/corosync; interface=com.redhat.cluster.corosync; member=QorumStateChange

   string "troll"

   uint32 23374016

   string "quorate"

signal sender=:1.216 -> dest=(null destination) serial=5 path=/com/redhat/cluster/corosync; interface=com.redhat.cluster.corosync; member=NodeStateChange

   string "r2"

   uint32 1550100672

   string "192.168.100.92"

   string "joined"

signal sender=:1.216 -> dest=(null destination) serial=6 path=/com/redhat/cluster/corosync; interface=com.redhat.cluster.corosync; member=NodeStateChange

   string "r2"

   uint32 1550100672

   string "192.168.100.92"

   string "left"

corosync(8), corosync-objctl(8), dbus-monitor(1),

Angus Salkeld