RDK Resources
[*RDK Preferred*]
Code Management Facility
RDK Forums
[RDK Conferences]
RDK Support
Archives
Papers & Presentations Archive
Children Display |
---|
Table of Contents |
---|
Info |
---|
This Page is under Development |
...
|
Selfheal is another feature implemented in Test And Diagnostic Component. SelfHeal is a monitoring and recovery module.
...
Self-heal stores Reset Count and Reboot Count.
Self-heal takes required action like: Rebooting the device, Restarting required process based on predefined conditions.
Self-heal does connectivity test.
...
Self Heal functionality is handled by a set of scripts. These scripts are available in the RDK-B RPI build by default, and we are customised these scripts with rpi specific to rpi system specificification referring to actual devices.
Please ensure that below Self heal scripts are present on the device at the path "/usr/ccsp/tad".
resource_monitor.sh
task_health_monitor.sh
corrective_action.sh
"resource_monitor.sh" script is used for monitoring Memory and CPU usage.Monitors the resources periodically (eg: 60 seconds). If "Average Memory Used" reaches threshold value, reboot action will be executed.
...
Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_UsageComputeWindow *60 . For example : By default, RMInterval value as 1 . so, sleep will be 60.
...
Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_UsageComputeWindow *60 . For example : By default, RMInterval value as 1 . so, sleep will be 60.
"self_heal_connectivity_test.sh" script is used for ping test.Ping test will be done through server IP/URI (this needs to be configured). If server IP/URI is not configured, Ping test won't be executed and no action will be taken. If server is configured and ping test fails, device will stop the LAN functionality reboot action will be executed.
For Connectivity Test sequence ,
...
Device.SelfHeal.ConnectivityTest.X_RDKCENTRAL-COM_PingInterval - value of this command * 60 . For example : By default, PingInterval value as 60 . so, sleep will be 3600.
Self heal logs will be created on below folder,
/rdklogs/logs/SelfHeal.txt.0
S.NO | Module | DMCLI COMMANDS | Description |
---|---|---|---|
1. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.X_RDKCENTRAL-COM_Enable | Used to enable/disable self heal functionality |
2. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.X_RDKCENTRAL-COM_MaxRebootCount | Used to set the maximum reboot count for rebooting the rpi device once the cpu and memory threshold value was reached as 100(default value). By default, it set as 3. If it reaches 3 ..after that it doesn't do the reboot functionality. If we want, we can increase the reboot count also. |
3. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.X_RDKCENTRAL-COM_MaxResetCount | Used to set the maximum reset count for connectivity test. for example, if it reaches 3(3 times it stops will do the lan functionalityreboot), after that it doesnwon't stop do the lan functionalityreboot. If we want , we can increase the reset count also. |
4. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.X_RDKCENTRAL-COM_DNS_PINGTEST_Enable | Using this command to enable the PING function for connectivity tests.By default, it set as TRUE. |
5. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.X_RDKCENTRAL-COM_DNS_URL | Using this command to set the DNS url for PING function for connectivity test , By default, it set as www.google.com |
6. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ConnectivityTest.X_RDKCENTRAL-COM_PingInterval | Using this command to set the PING interval time for connectivity test . By default, it set as 60. Range of ping interval is min 15 to max 1440. |
7. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ConnectivityTest.X_RDKCENTRAL-COM_CorrectiveAction | Using this command to enable/disable for Corrective Action for self heal scripts. By default, it set as TRUE. |
8. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_UsageComputeWindow | Using this command to set the resource monitor interval time. By default, it set as 1. |
9. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgCPUThreshold | Using this command to set the AVG CPU threshold value. By default, it set as 100 |
10. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ResourceMonitor.X_RDKCENTRAL-COM_AvgMemoryThreshold | Using this command to set the AVG Memory threshold value. By default, it set as 100 |
11. | TDM(TestandDiagnostic) XML Mapper - TestAndDiagnostic.XML | Device.SelfHeal.ConnectivityTest.X_RDKCENTRAL-COM_RebootInterval | Using this command to set the reboot interval time for connectivity test. By default, it can be set as 28800. If DNS or WAN_IP gets down, device will stop the LAN functionalitygo for reboot after 28800. If device will stop the LAN functionalitygo for reboot..Internally PING functionality will check the diff of current time and last reboot time will be greater than the reboot interval time..then only device will stop the LAN functionalitygo for reboot. |
12. | PAM Module XML Mapper - TR181-USGv2.XML | Device.DeviceInfo.X_RDKCENTRAL-COM_LastRebootReason | Using this command to know about why our rpi device will be rebooted, This command value will be the current reboot status. |
RPI doesn't have IPv6 support functionality. So we skip the ipv6 logics from "self_heal_connectivity_test.sh" and "task_health_monitor.sh".
...