manual:discovery:low_level_discovery
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manual:discovery:low_level_discovery [2020/04/22 08:35] martins-v update interval can only be set to 0 if flexible or scheduled intervals exist with a non-zero value (ZBX-17601) |
manual:discovery:low_level_discovery [2020/09/04 10:10] martins-v fixing description of creating lld rule |
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| To configure the discovery, do the following: | To configure the discovery, do the following: | ||
| - | * Go to: //Configuration// -> //Templates// | + | * Go to: //Configuration// -> //Templates// or //Hosts// |
| - | * Click on //Discovery// in the row of an appropriate template | + | * Click on //Discovery// in the row of an appropriate template/host |
| {{manual:discovery:low_level_discovery:fs_templates.png|}} | {{manual:discovery:low_level_discovery:fs_templates.png|}} | ||
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| |//Key// |Enter the discovery item key.\\ For example, you may use the built-in %%"%%vfs.fs.discovery%%"%% item key to return a JSON with the list of file systems present on the computer and their types.\\ Note that another option for filesystem discovery is using discovery results by the %%"%%vfs.fs.get%%"%% agent key, supported since Zabbix 4.0.17 (see [[:manual/discovery/low_level_discovery/mounted_filesystems|example]]). | | |//Key// |Enter the discovery item key.\\ For example, you may use the built-in %%"%%vfs.fs.discovery%%"%% item key to return a JSON with the list of file systems present on the computer and their types.\\ Note that another option for filesystem discovery is using discovery results by the %%"%%vfs.fs.get%%"%% agent key, supported since Zabbix 4.0.17 (see [[:manual/discovery/low_level_discovery/mounted_filesystems|example]]). | | ||
| |//Update interval// |This field specifies how often Zabbix performs discovery. In the beginning, when you are just setting up file system discovery, you might wish to set it to a small interval, but once you know it works you can set it to 30 minutes or more, because file systems usually do not change very often.\\ [[:manual/appendix/suffixes|Time suffixes]] are supported, e.g. 30s, 1m, 2h, 1d, since Zabbix 3.4.0.\\ [[:manual/config/macros/usermacros|User macros]] are supported, since Zabbix 3.4.0.\\ //Note//: The update interval can only be set to '0' if custom intervals exist with a non-zero value. If set to '0', and a custom interval (flexible or scheduled) exists with a non-zero value, the item will be polled during the custom interval duration.\\ //Note// that for an existing discovery rule the discovery can be performed immediately by pushing the //Check now// [[#form_buttons|button]]. | | |//Update interval// |This field specifies how often Zabbix performs discovery. In the beginning, when you are just setting up file system discovery, you might wish to set it to a small interval, but once you know it works you can set it to 30 minutes or more, because file systems usually do not change very often.\\ [[:manual/appendix/suffixes|Time suffixes]] are supported, e.g. 30s, 1m, 2h, 1d, since Zabbix 3.4.0.\\ [[:manual/config/macros/usermacros|User macros]] are supported, since Zabbix 3.4.0.\\ //Note//: The update interval can only be set to '0' if custom intervals exist with a non-zero value. If set to '0', and a custom interval (flexible or scheduled) exists with a non-zero value, the item will be polled during the custom interval duration.\\ //Note// that for an existing discovery rule the discovery can be performed immediately by pushing the //Check now// [[#form_buttons|button]]. | | ||
| - | |//Custom intervals// |You can create custom rules for checking the item:\\ **Flexible** - create an exception to the //Update interval// (interval with different frequency)\\ **Scheduling** - create a custom polling schedule.\\ For detailed information see [[manual:config:items:item:custom_intervals|Custom intervals]]. Scheduling is supported since Zabix 3.0.0. | | + | |//Custom intervals// |You can create custom rules for checking the item:\\ **Flexible** - create an exception to the //Update interval// (interval with different frequency)\\ **Scheduling** - create a custom polling schedule.\\ For detailed information see [[manual:config:items:item:custom_intervals|Custom intervals]]. Scheduling is supported since Zabbix 3.0.0. | |
| |//Keep lost resources period// |This field allows you to specify the duration for how long the discovered entity will be retained (won't be deleted) once its discovery status becomes %%"%%Not discovered anymore%%"%% (between 1 hour to 25 years; or %%"%%0%%"%%).\\ [[:manual/appendix/suffixes|Time suffixes]] are supported, e.g. 2h, 1d, since Zabbix 3.4.0.\\ [[:manual/config/macros/usermacros|User macros]] are supported, since Zabbix 3.4.0.\\ //Note:// If set to %%"%%0%%"%%, entities will be deleted immediately. Using %%"%%0%%"%% is not recommended, since just wrongly editing the filter may end up in the entity being deleted with all the historical data. | | |//Keep lost resources period// |This field allows you to specify the duration for how long the discovered entity will be retained (won't be deleted) once its discovery status becomes %%"%%Not discovered anymore%%"%% (between 1 hour to 25 years; or %%"%%0%%"%%).\\ [[:manual/appendix/suffixes|Time suffixes]] are supported, e.g. 2h, 1d, since Zabbix 3.4.0.\\ [[:manual/config/macros/usermacros|User macros]] are supported, since Zabbix 3.4.0.\\ //Note:// If set to %%"%%0%%"%%, entities will be deleted immediately. Using %%"%%0%%"%% is not recommended, since just wrongly editing the filter may end up in the entity being deleted with all the historical data. | | ||
| |//Description// |Enter a description. | | |//Description// |Enter a description. | | ||