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"task_health_monitor.sh" script is used for monitoring RDK-B processes. This is located at path: "/fss/gw/usr/ccsp/tad/task_health_monitor.sh". We can monitor any RDK-B processes by adding the process pid in this script.

Self-heal stores Reset Count and Reboot Count

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  • runPingTest
    • Gets the IP (default_router IP) from syscfg.db
    • If no IP specified, it will try pinging to default gw
    • If ping fails, takes the corrective action, which is none by default.
  • runDNSPingTest
    • This is disabled by default. Can be enabled by selfheal_dns_pingtest_enable in syscfg.db
    • Gets the urlToVerify from syscfg.db
    • If nslookup fails, takes the corrective action, which is none by default

Objects

Self heal objects in its DML layer: 

Panel
Device.SelfHeal.X_RDKCENTRAL-COM

Self heal can be Enabled/disabled by the below data model. By default, it is enabled

Code Block
$ dmcli eRT getv Device.SelfHeal.X_RDKCENTRAL-COM_Enable
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.tdm): Device.SelfHeal.X_RDKCENTRAL-COM_Enable
Execution succeed.
Parameter    1 name: Device.SelfHeal.X_RDKCENTRAL-COM_Enable
               type:       bool,    value: true


Verify the selfheal feature running status

Code Block
$ ps -Af | grep -i self
 4449 root       0:00 {self_heal_conne} /bin/sh /usr/ccsp/tad/self_heal_connectivity_test.sh
18921 root       0:00 grep -i self

Resource monitoring

The Below DM is used to verify the Average CPU threshold. By default the value is set to 100

Code Block
$ dmcli eRT getv Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgCPUThreshold
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.tdm): Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgCPUThreshold
Execution succeed.
Parameter    1 name: Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgCPUThreshold
               type:       uint,    value: 100


The Below DM is used to verify the Average Memory threshold. By default the value is set to 100

Code Block
$ dmcli eRT getv Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgMemoryThreshold
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.tdm): Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgMemoryThreshold
Execution succeed.
Parameter    1 name: Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgMemoryThreshold
               type:       uint,    value: 100