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Provide more alert rule examples

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#2506
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Rosiak 2016-01-15 21:37:12 +01:00
parent 61af4f9d7f
commit 838e189cde
1 changed files with 6 additions and 0 deletions
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doc/Extensions/Alerting.md
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@ -81,6 +81,12 @@ Alert when:
- Any port changes: `%ports.ifOperStatus != 'up'` - Any port changes: `%ports.ifOperStatus != 'up'`
- Root-directory gets too full: `%storage.storage_descr = '/' && %storage.storage_perc >= '75'` - Root-directory gets too full: `%storage.storage_descr = '/' && %storage.storage_perc >= '75'`
- Any storage gets fuller than the 'warning': `%storage.storage_perc >= %storage_perc_warn` - Any storage gets fuller than the 'warning': `%storage.storage_perc >= %storage_perc_warn`
- If device is a server and the used storage is above the warning level, but ignore /boot partitions: `%storage.storage_perc > %storage.storage_perc_warn && %devices.type = "server" && %storage.storage_descr !~ "/boot"`
- VMware LAG is not using "Source ip address hash" load balancing: `%devices.os = "vmware" && %ports.ifType = "ieee8023adLag" && %ports.ifDescr !~ "Link Aggregation @, load balancing algorithm: Source ip address hash"`
- Syslog, authentication failure during the last 5m: `%syslog.timestamp >= %macros.past_5m && %syslog.msg ~ "@authentication failure@"`
- High memory usage: `%macros.device_up = "1" && %mempools.mempool_perc >= "90" && %mempools.mempool_descr = "Virtual@"`
- High CPU usage(per core usage, not overall): `%macros.device_up = "1" && %processors.processor_usage >= "90"`
- High port usage, where description is not client & ifType is not softwareLoopback: `%macros.port_usage_perc >= "80" && %port.port_descr_type != "client" && %ports.ifType != "softwareLoopback"`
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