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Full Discussion: Host unreachable
Special Forums Cybersecurity Host unreachable Post 302072596 by RTM on Thursday 4th of May 2006 09:44:00 AM
Old 05-04-2006
Check /etc/hosts.allow, output of netstat -nr, ifconfig -a. Use snoop to see if your server 'sees' any traffic.

Check out the dhcp troubleshooting guide
 

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OCF_PACEMAKER_PING(7)					      Pacemaker Configuration					     OCF_PACEMAKER_PING(7)

NAME
ocf_pacemaker_ping - node connectivity SYNOPSIS
[OCF_RESKEY_pidfile=string] [OCF_RESKEY_dampen=integer] [OCF_RESKEY_name=string] [OCF_RESKEY_multiplier=integer] [OCF_RESKEY_host_list=string] [OCF_RESKEY_attempts=integer] [OCF_RESKEY_timeout=integer] [OCF_RESKEY_options=string] [OCF_RESKEY_failure_score=integer] [OCF_RESKEY_debug=string] ping [start | stop | reload | monitor | meta-data | validate-all] DESCRIPTION
Every time the monitor action is run, this resource agent records (in the CIB) the current number of ping nodes the host can connect to. It is essentially the same as pingd except that it uses the system ping tool to obtain the results. SUPPORTED PARAMETERS
OCF_RESKEY_pidfile = string [/ping-] PID file OCF_RESKEY_dampen = integer [5s] Dampening interval The time to wait (dampening) further changes occur OCF_RESKEY_name = string [pingd] Attribute name The name of the attributes to set. This is the name to be used in the constraints. OCF_RESKEY_multiplier = integer [] Value multiplier The number by which to multiply the number of connected ping nodes by OCF_RESKEY_host_list = string [] Host list The list of ping nodes to count. OCF_RESKEY_attempts = integer [2] no. of ping attempts Number of ping attempts, per host, before declaring it dead OCF_RESKEY_timeout = integer [2] ping timeout in seconds How long, in seconds, to wait before declaring a ping lost OCF_RESKEY_options = string [] Extra Options A catch all for any other options that need to be passed to ping. OCF_RESKEY_failure_score = integer [] failure_score Resource is failed if the score is less than failure_score. Default never fails. OCF_RESKEY_debug = string [false] Verbose logging Enables to use default attrd_updater verbose logging on every call. AUTHOR
Andrew Beekhof <andrew@beekhof.net> Author. Pacemaker Configuration 06/10/2014 OCF_PACEMAKER_PING(7)
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