Following types of alerts are present in Cloudstack

 

  1. availableMemory : Available Memory below configured threshold
  2. availableCpu :  Unallocated CPU below configured threshold
  3. availableStorage :  Available Storage below configured threshold
  4. remainingStorageAllocated : Remaining unallocated Storage is below configured threshold
  5. unallocatedVirtualNetworkpublicIp : Number of unallocated virtual network public IPs is below configured threshold
  6. unallocatedPrivateIp : Number of unallocated private IPs is below configured threshold
  7. availableSecondaryStorage :  Available Secondary Storage in availability zone is below configured threshold
  8. host : host related alerts like host disconnected etc
  9. userVmState : User VM stopped unexpectedly
  10. domainRouterVmState : Domain Router VM stopped unexpectedly
  11. consoleProxyVmState : Console Proxy VM stopped unexpectedly
  12. routingConnection : lost connection to default route (to the gateway)
  13. storageIssueSystemVms : storage issue in system VMs
  14. usageServerStatus : No usage server process running
  15. managmentNode : Management network CIDR is not configured originally
  16. domainRouterMigrate : Domain Router VM Migration was unsuccessful
  17. consoleProxyMigrate : Console Proxy VM Migration was unsuccessful
  18. userVmMigrate  : User  VM Migration was unsuccessful
  19. unallocatedVlan : Number of unallocated VLANs is below configured threshold in availability zone
  20. ssvmStopped : SSVM stopped unexpectedly
  21. usageServerResult :  Usage job failed
  22. storageDelete : Failed to Delete storage pool
  23. updateResourceCount : Failed to update the resource count
  24. usageSanityResult : Usage Sanity Check failed
  25. unallocatedDirectAttachedPublicIp : Number of unallocated shared network IPs is low in availability zone
  26. unallocatedLocalStorage : Remaining unallocated Local Storage is below configured threshold
  27. resourceLimitExceeded : Resource limit exceeds the limit

Mail alerts generation

For below 8 alert Types we always generate a new alert

  1. host
  2. domainRouterVmState
  3. consoleProxyVmState
  4. managmentNode
  5. ssvmStopped
  6. userVmState
  7. storageIssueSystemVms
  8. resourceLimitExceeded

As we are not sure weather  the alert is already sent for them or not. We need other parameters to verify weather that alert is already sent or not.

Alert generation frequency is dependent on the thread from which they are originating. e.g. for particular host alert frequency will be dependent on frequency of agent thread running for that host.

 

In case of all other(not in above 8 alert types) new alerts are generated only if alert is not already  generated of that type

If alert is already generated then we do not generate new alert for them.



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