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Self Heal is a monitoring and recovery module.
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1. By default, AVG CPU threshold value will be set as 100. This value will be stored in syscfg database. If we want the change the default AVG CPU threshold value, Please refer the attached screenshot and do the following steps,
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RDKB_SELFHEAL : Total memory in system is 949444 at timestamp 2019:09:24:10:17:08
RDKB_SELFHEAL : Used memory in system is 148772 at timestamp 2019:09:24:10:17:08
RDKB_SELFHEAL : Free memory in system is 800768 at timestamp 2019:09:24:10:17:08
RDKB_SELFHEAL : AvgMemUsed in % is 15
190924-10:17:09.055074 <128>CABLEMODEM[Raspberry]:<99000006><2019:09:24:10:17:09><B8:27:EB:50:C1:CF><ARMv7> RM Memory threshold reached
RDKB_SELFHEAL : Total memory in system is 949444
RDKB_SELFHEAL : Used memory in system is 148752
RDKB_SELFHEAL : Free memory in system is 800792
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If it detects that any of the process is not running, it automatically restarts that particular Component.
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If Connectivity Test fails, device will go for reboot.
Validation : Using the below steps to validate the connectivity Test
unplug the ethernet LAN cable or ifconfig erouter0 down Once the WAN_IP/DNS gets down, Device will stop the PING functionality.
1. Using selfHeal logs to trouble shoot the run-time errors. SelfHeal logs will be created the below path,
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Failure Scenario :
191007-09:00:13.899713 [RDKB_SELFHEAL] : GW IP Connectivity Test Successfull
191007-09:00:13.909201 [RDKB_SELFHEAL] : IPv4 GW Address is:192.168.60.1
191007-09:00:13.918684 [RDKB_SELFHEAL] : IPv6 GW Address is:
191007-09:00:13.972966 RDKB_SELFHEAL : Ping server lists are empty , not taking any corrective actions
191007-09:00:14.119985 DNS Response: fail to resolve this URL www.google.com
191007-09:00:14.152808 RDKB_SELFHEAL : Taking corrective action