Werk #13540: Do not forward data from management board to host specific services if no host data is available

Komponente Checks & agents
Titel Do not forward data from management board to host specific services if no host data is available
Datum 10.03.2022
Checkmk-Editon Checkmk Raw (CRE)
Checkmk-Version 2.2.0i1 2.1.0b2 2.0.0p22
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Inkompatibel - Manuelle Interaktion könnte erforderlich sein

In Checkmk 1.6 some plugins where discovered for management boards, but with the regular host plugin name. If a host provides no data then the data from the management board were used. In general this is very confusing and not right at all.

With this change these services will go to UNKNOWN. Please rediscover the affected hosts. You may lose the history of these services and your rules may also have to be adapted.

Example:

An agent-based host has configured a SNMP management board. Then this host has two data sources: the agent data source (host) and the SNMP management board.

After the host was discovered two uptime services were found: One service from its own data source and the other one from the management board with the prefix "Management Interface: ".

During checking if the host's data source does not provide any data for the uptime service then the data of the management board is used for this service. This results in two uptime services which process the same data.

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