Changes between Version 13 and Version 14 of Doc/Monitoring/Nagios

Timestamp:

Jul 17, 2008, 3:45:01 PM (16 years ago)

Author:

/C=IE/O=Grid-Ireland/OU=cs.tcd.ie/L=RA-TCD/CN=Stephen O. Childs

Comment:

--

Doc/Monitoring/Nagios

@@ -7 +7 @@
 = Configuring the Nagios server =
 
-The configuration of a Nagios server is done in a set of ''standard'' templates, in the [source:templates/trunk/standard/monitoring/nagios ''monitoring/nagios''] namespace. 
+The configuration of a Nagios server is done in a set of ''standard'' templates, in the [source:templates/trunk/standard/monitoring/nagios ''monitoring/nagios''] namespace. Also, sensors are provided for many of the plug-ins described on the [http://www.gridpp.ac.uk/wiki/Nagios_Plugins GridPP wiki]. An [source:templates/trunk/clusters/example-3.1/profiles/nagios-server.example.org.tpl example Nagios server template] is included in the QWG distribution. 
 
-Also, sensors are provided for many of the plug-ins described in [http://www.gridpp.ac.uk/wiki/Nagios_Plugins GridPP's wiki]
+In order to configure a basic nagios server, simply include the template [source:templates/trunk/standard/monitoring/nagios/config monitoring/nagios/config] in the server's template. This will automatically generate a Nagios configuration that monitors all Quattor-managed machines.
+
+== Monitoring grid services ==
+Preliminary work has been done to integrate monitoring of grid services according to the EGEE model (described at https://twiki.cern.ch/twiki/bin/view/LCG/GridMonitoringNcg).
+
+= Customising your configuration =
 
 == What is monitored ==
 
-In principle, all hosts present on `DB_MACHINE` are expected to be monitored and are added to Nagios configuration. This is done with the variables `HOSTSLIST`, which is automatically derived from `DB_MACHINE`. Additional hosts can be specified with the variable `NAGIOS_EXTRA_HOSTS`.
+In principle, all hosts present in the `DB_MACHINE` database are expected to be monitored and are added to Nagios configuration. (This is done via the variable `HOSTSLIST`, which is automatically derived from `DB_MACHINE`.) If you want to monitor additional hosts that are not Quattor-managed, they can be specified in the variable `NAGIOS_EXTRA_HOSTS`.
 
-Currently, all hosts are considered to have the same settings. Finer-grained settings (for instance, separate hosts to be monitored on working and non-working hours) are yet to be done.
+Currently, all hosts are given the same settings. Finer-grained settings (for instance, separate hosts to be monitored on working and non-working hours) are yet to be done.
 
 == Hardware-related monitoring ==
 
-The variable `HW_LISTINGS` is somewhat the "inverse" from `DB_MACHINE`: it is a structure with fields related to some hardware attribute and whose values are the lists of nodes with such attribute. For instance, `HW_LISTINGS["per_cpu"]["_4"]` is the list of nodes with 4 CPU cores, should that be 4 old Pentium or a single Barcelona chip. See [#Variable-index here] for the full description of each variable.
+The variable `HW_LISTINGS` is essentially the inverse of `DB_MACHINE`: it is a structure with fields related to some hardware attribute and whose values are the lists of nodes with such attribute. For instance, `HW_LISTINGS["per_cpu"]["_4"]` is the list of nodes with 4 CPU cores, whether 4 single-code Pentiums or a single quad-core Barcelona chip. See [#Variable-index here] for the full description of each variable.
 
 == Specifying commands ==