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False alerts in SmartEvent GUI / SmartView Monitor about low disk space on Security Gateway
Symptoms
  • False alerts in SmartEvent GUI about low disk space on Security Gateway are generated in the following scenario:

    1. In SmartDashboard:
      1. Open Security Management Server object - enable "SmartEvent" blade - click on OK
      2. Go to "Policy" menu - click on "Install Database..." - select all objects - click on OK
    2. In SmartEvent GUI:
      1. Go to "Policy" tab - go to "Host Based Events" - enable "Low Disk Space" event
      2. Go to "Actions" menu - click on "Install Event Policy"
    3. In SmartView Monitor:
      1. Go to "Gateways" menu - click on "Thresholds..."
      2. Enable "Free disk space" - set the desired value - click on OK
      3. Go to "Tools" menu - click on "Start System Alert Daemon"
    4. In SmartEvent GUI:
      1. Go to "Events" tab
      2. Events appear that alert about low disk space on the involved Security Gateway, although there is enough free disk space available
  • False alerts in SmartView Monitor about low disk space on Security Gateway are generated in the following scenario:

    1. Go to "Gateways" menu - click on "Thresholds..."
    2. Enable "Free disk space" - set the desired value - click on OK
    3. Go to "Tools" menu - click on "Start System Alert Daemon"
    4. Go to "Tools" menu - click on "Alerts..."
    5. Alerts appear about low disk space on the involved Security Gateway, although there is enough free disk space available
  • Debug of "cpstat_monitor" daemon (per sk108177) on Security Management Server shows that it receives information that free disk space is zero:

    :DiskStat (
                  :AdminInfo (
                    :chkpf_uid ("{...}")
                    :ClassName (os_disk_stat)
                    :LastModified (
                      :Time ("DDD MMM  D HH:MM:SS YYY")
                      :last_modified_utc (...)
                      :By ()
                      :From ()
                    )
                  )
                  :disk_percent_of_free_space (0)
                )
    ... ... ...
    Exception  GW         cpshared_application_GW disk_space           [T] Free disk space on GW is less than 15% (currently 0%) DDD MMM  D HH:MM:SS YYY 2015
    
  • Debug of "FWM" daemon (per sk86186) on Security Management Server shows:

      :type (notification)
      :subject (fwm-alert)
      :seq (30)
      :body (
        :message ("DDMMMYYYY HH:MM:SS MGMT_HOSTNAME < alert System Alert message: Free disk space on GW is less than 15% (currently 0%); Object: GW; Event: Exception; Parameter: disk_space; Condition: is less than ; Current value: 0; product: System Monitor; product_family: Network;")
      )
    )
Cause

The configured "Free disk space" threshold is not set properly on Security Management Server.


Solution
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