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Contents
- 1 OEM 12c Automation: Auto fix ‘Agent Unreachable’ on target instance
- 2 Why does OEM agent 12C suddenly crash in Java?
- 3 What alerts are generated for intermittent agent unreachable?
- 4 What does 12C 13C mean in Emu?
- 5 What does emctl status agent (em13c) mean?
- 6 Information related to the topic agent unreachable in oem 12c
OEM 12c Automation: Auto fix ‘Agent Unreachable’ on target instance
Why does OEM agent 12C suddenly crash in Java?
It’s common for DBAs to encounter Java® heap space issues while working with EM Agents on versions 12.1.0.1.0 and later. OEM Agent 12c suddenly crashes and displays the following error message: The following image shows what the full error message looks like: Java heap space issues are sometimes accompanied by a TaskZombieException .
Why does my em agent crash when collecting monitoring data?
When an EM Agent collects monitoring metric data, it uses Java memory. The Agent might crash if it doesn’t have access to the required amount of Java memory that’s specified in the configuration. Make a backup of the emd.properties file that resides at ../agent_inst/sysman/config.
Why is my em agent or OMS using so much CPU?
When the bug is hit, the EM Agent or OMS might begin to consume excessive CPU on the server. Because leap second adjustments are scheduled for June 30 or December 31, this issue is typically encountered on or around these dates.
Why is my Enterprise Manager (EM) or Oracle Management Service (OMS) running slow?
This issue impacts Enterprise Manager (EM) Agents and Oracle Management Service (OMS) functionality adversely. When the bug is hit, the EM Agent or OMS might begin to consume excessive CPU on the server. Because leap second adjustments are scheduled for June 30 or December 31, this issue is typically encountered on or around these dates.
What alerts are generated for intermittent agent unreachable?
EM 12c or 13c, Intermittent Agent unreachable alerts are generated as follows: Example: Cause Sign In To view full details, sign in with your My Oracle Support account.
EM 12c or 13c, Intermittent Agent unreachable alerts are generated as follows: Example: Cause. Sign In: To view full details, sign in with your My Oracle Support account. Register: Don’t have a My Oracle Support account? Click to get started! In this Document. Symptoms: Cause: Solution:
What are Em 12C and Em 13C alerts?
EM 12c or 13c, Intermittent Agent unreachable alerts are generated as follows: Example: Cause Sign In To view full details, sign in with your My Oracle Support account. Register Don’t have a My Oracle Support account? Click to get started! In this Document Symptoms Cause Solution References
Why is my agent blocked?
From the above snapshot we can state that, the possible reason for Blocked agent is Plugin mismatches between agent and repository.
What is the last check time for Zabbix-agent active agent?
But after 5 minutes alerts starting to fire up saying host unreachable for 5 mins. when I check the zabbix-agent active agent ping data, last check time is always more than 5 mins with the server time ( some even 12 mins). Because of that alerts coming up.
What are the different security agent update methods?
Security Agent Update Methods Security Agent Automatic Updates Event-triggered Updates Schedule-based Updates Configuring Security Agent Automatic Updates Configuring Scheduled Security Agent Updates with NAT Using the Domains Schedule Update Tool Security Agent Manual Updates Updating Security Agents Manually
What does 12C 13C mean in Emu?
EM 12c, 13c: Agent Unreachable (REASON = The agent is running but is currently not ready to accept client requests). Host is reachable. (Doc ID 2454491.1)
What is 13C (13C)?
Carbon-13 ( 13 C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons. As one of the environmental isotopes, it makes up about 1.1% of all natural carbon on Earth.
What is “memory utilization” in MOS em 12C?
And basically “Memory Utilization” in 12c uses “activeMem” instead of “realMem- (freeMem+Buffers+Cached)”. As per image below. The formula in place on 13c is exactly the same as used to fix MOS EM 13c: Incorrect Memory Utilization Reported for Linux Hosts in Enterprise Manager 13.1.0.0.0 Cloud Control (Doc ID 2144976.1)
What is the 13 C/12 C ratio used for?
In geology, the 13 C/ 12 C ratio is used to identify the layer in sedimentary rock created at the time of the Permian extinction 252 Mya when the ratio changed abruptly by 1%. More information about usage of 13 C/ 12 C ratio in science can be found in the article about isotopic signatures .
What does 13C mean on a shoe size scale?
What does 13C shoe size mean? These refer to child sizes, which is the 2T-3T, etc. sizing until you get up to 7-8, then move up to youth sizes which is more the small-medium-large spectrum. Since your son wears size 1-2 in shoe size, you should get the 13C-4Y size, which refers to size 13 in child shoe sizes up to size 4 youth shoes.
What does emctl status agent (em13c) mean?
EM12c, EM13c : emctl status agent (Agent Unreachable) ‘Agents too far into the future’ Availability Marker Future Date Reported in MGMT_AVAILABILITY_MARKER.MARKER_TIMESTAMP (Doc ID 1946748.1) Last updated on MAY 22, 2021 Applies to: Enterprise Manager Base Platform – Version 12.1.0.1.0 and later
EM12c, EM13c : emctl status agent (Agent Unreachable) ‘Agents too far into the future’ Availability Marker Future Date Reported in MGMT_AVAILABILITY_MARKER.MARKER_TIMESTAMP (Doc ID 1946748.1) Last updated on MAY 22, 2021. Applies to: Enterprise Manager Base Platform – Version 12.1.0.1.0 and later …
What are the emctl commands for management agent?
27.9 EMCTL Commands for Management Agent EMCTL Command Description emctl start agent Starts the Management Agent. On IBM AIX … emctl stop agent Stops the Management Agent. emctl status agent Lists the status of Management Agent. If … emctl status agent -secure Lists the secure status of the Mangement … 21 more rows …
How to get the status of a target using emctl?
Lists the detailed status of the specified targets such as target name, target type, and so on. You can also provide a particular metric name in the emctl status agent command to get the status of a particular metric of a target. emctl status agent mcache
What does emctl status agent mcache do?
emctl status agent mcache
What is emctl log in Linux?
The emctl.log file is a file that captures the results of all EMCTL commands you run. For Management Agent, the log file resides in the $AGENT_INSTANCE_HOME/sysman/log directory of the Management Agent, and for OMS, the log file resides in the $OMS_INSTANCE_HOME/em/EMGC_OMS
References:
OEM Agent 12c: Common issues and resolutions
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Questions just answered:
What is 13C (13C)?
What is “memory utilization” in MOS em 12C?
What is the 13 C/12 C ratio used for?
What does 13C mean on a shoe size scale?
What does 12C 13C mean in Emu?
What are Em 12C and Em 13C alerts?
Why is my agent blocked?
What is the last check time for Zabbix-agent active agent?
What are the different security agent update methods?
What alerts are generated for intermittent agent unreachable?
Why does my em agent crash when collecting monitoring data?
Why is my em agent or OMS using so much CPU?
Why is my Enterprise Manager (EM) or Oracle Management Service (OMS) running slow?
Why does OEM agent 12C suddenly crash in Java?
What are the emctl commands for management agent?
How to get the status of a target using emctl?
What does emctl status agent mcache do?
What is emctl log in Linux?
What does emctl status agent (em13c) mean?
agent unreachable in oem 12c
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