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49 lines
2.1 KiB
Markdown
49 lines
2.1 KiB
Markdown
# Data Source Debugging
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If you are having issues with blank graphs and have done the basic checks such
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as permissions the Data source debug tool can help troubleshoot what
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information is coming into Cacti.
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The debug tool will check the data source, graphs and permissions along incoming
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data and graph settings, such as step count, to ensure the definition matches
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the profile of the data source amongst other things.
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The tool allows you to run a debug on one or many data source. To request debug
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information, tick all applicable data sources you require information on, then
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select 'Run Check' in the actions drop down list. This will put all of the
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selected data sources into debug mode.
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For a single data source, you can click the data source name which will also
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put it into debug mode.
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You can see the status of each data source along with all of the checks run
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against it. Successful checks show a green checkmark, whilst failed checks shows
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a red X. Depending on the issue a recommendation will be provided for a failed
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check.
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A summary of the checks as well as the properties of the data source
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can be displayed by clicking on the data source name. This is useful
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for a single page view of the data source and graph details.
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This page also shows what the last values where when last polled. This is also
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useful for troubleshooting as if the data comes in out of range of your Data
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Source template, or Graph template, this could point you into the right direction.
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If the Web Server has write access to Cacti's RRA folder, if the Data Debug finds
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and issue that it knows how to correct. It will offer you a link to make that
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correction.
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> **NOTE**: Devices that are down for long periods of time will report as having errors
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> since the RRDfiles associated with them will not be updated as expected for with an
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> available Device.
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--- <copy>Copyright (c) 2004-2022 The Cacti Group</copy>
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