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Documentation: Fix naming s/central/master/

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fixes #6878
This commit is contained in:
Michael Friedrich 2014-08-14 14:39:08 +02:00
parent 9efe458b27
commit a6335a7cdf
1 changed files with 15 additions and 15 deletions
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doc/4-monitoring-remote-systems.md
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@ -507,16 +507,16 @@ and automated check distribution.
#### <a id="cluster-scenarios-distributed-zones"></a> Distributed Zones #### <a id="cluster-scenarios-distributed-zones"></a> Distributed Zones
That scenario fits if your instances are spread over the globe and they all report That scenario fits if your instances are spread over the globe and they all report
to a central instance. Their network connection only works towards the central master to a master instance. Their network connection only works towards the master master
(or the master is able to connect, depending on firewall policies) which means (or the master is able to connect, depending on firewall policies) which means
remote instances won't see each/connect to each other. remote instances won't see each/connect to each other.
All events (check results, downtimes, comments, etc) are synced to the central node, All events (check results, downtimes, comments, etc) are synced to the master node,
but the remote nodes can still run local features such as a web interface, reporting, but the remote nodes can still run local features such as a web interface, reporting,
graphing, etc. in their own specified zone. graphing, etc. in their own specified zone.
Imagine the following example with a central node in Nuremberg, and two remote DMZ Imagine the following example with a master node in Nuremberg, and two remote DMZ
based instances in Berlin and Vienna. The configuration tree on the central instance based instances in Berlin and Vienna. The configuration tree on the master instance
could look like this: could look like this:
zones.d zones.d
@ -582,7 +582,7 @@ you can achieve that by:
* Let Icinga 2 distribute the load amongst all available nodes. * Let Icinga 2 distribute the load amongst all available nodes.
That way all remote check instances will receive the same configuration That way all remote check instances will receive the same configuration
but only execute their part. The central instance located in the `master` zone but only execute their part. The master instance located in the `master` zone
can also execute checks, but you may also disable the `Checker` feature. can also execute checks, but you may also disable the `Checker` feature.
zones.d/ zones.d/
@ -595,8 +595,8 @@ you have to define additional zones and define these check objects there.
Endpoints: Endpoints:
object Endpoint "central-node" { object Endpoint "master-node" {
host = "central.icinga.org" host = "master.icinga.org"
} }
object Endpoint "checker1-node" { object Endpoint "checker1-node" {
@ -611,12 +611,12 @@ Endpoints:
Zones: Zones:
object Zone "master" { object Zone "master" {
endpoints = [ "central-node" ] endpoints = [ "master-node" ]
} }
object Zone "checker" { object Zone "checker" {
endpoints = [ "checker1-node", "checker2-node" ] endpoints = [ "checker1-node", "checker2-node" ]
parent = "central" parent = "master"
} }
object Zone "global-templates" { object Zone "global-templates" {
@ -652,24 +652,24 @@ Two or more nodes in a high availability setup require an [initial cluster sync]
#### <a id="cluster-scenarios-multiple-hierachies"></a> Multiple Hierachies #### <a id="cluster-scenarios-multiple-hierachies"></a> Multiple Hierachies
Your central zone collects all check results for reporting and graphing and also Your master zone collects all check results for reporting and graphing and also
does some sort of additional notifications. does some sort of additional notifications.
The customers got their own instances in their local DMZ zones. They are limited to read/write The customers got their own instances in their local DMZ zones. They are limited to read/write
only their services, but replicate all events back to the central instance. only their services, but replicate all events back to the master instance.
Within each DMZ there are additional check instances also serving interfaces for local Within each DMZ there are additional check instances also serving interfaces for local
departments. The customers instances will collect all results, but also send them back to departments. The customers instances will collect all results, but also send them back to
your central instance. your master instance.
Additionally the customers instance on the second level in the middle prohibits you from Additionally the customers instance on the second level in the middle prohibits you from
sending commands to the subjacent department nodes. You're only allowed to receive the sending commands to the subjacent department nodes. You're only allowed to receive the
results, and a subset of each customers configuration too. results, and a subset of each customers configuration too.
Your central zone will generate global reports, aggregate alert notifications, and check Your master zone will generate global reports, aggregate alert notifications, and check
additional dependencies (for example, the customers internet uplink and bandwidth usage). additional dependencies (for example, the customers internet uplink and bandwidth usage).
The customers zone instances will only check a subset of local services and delegate the rest The customers zone instances will only check a subset of local services and delegate the rest
to each department. Even though it acts as configuration master with a central dashboard to each department. Even though it acts as configuration master with a master dashboard
for all departments managing their configuration tree which is then deployed to all for all departments managing their configuration tree which is then deployed to all
department instances. Furthermore the central NOC is able to see what's going on. department instances. Furthermore the master NOC is able to see what's going on.
The instances in the departments will serve a local interface, and allow the administrators The instances in the departments will serve a local interface, and allow the administrators
to reschedule checks or acknowledge problems for their services. to reschedule checks or acknowledge problems for their services.