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COROSYNC-NOTIFYD(8) System Manager's Manual COROSYNC-NOTIFYD(8)

NAME

corosync-notifyd - Listen for important corosync events and send dbus and/or snmp traps.

SYNOPSIS

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

DESCRIPTION

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

OPTIONS

-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 IP address (defaults to localhost).
-n
No reverse DNS lookup on cmap member change events.
-d
Send DBUS signals on all events.
-h
Print this help.

EXAMPLES

$ 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 -d

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"

SEE ALSO

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

AUTHOR

Angus Salkeld
2011-01-14