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The functional checks are helpful when you need to determine overall operability of the HPOM environment. When the functional checks do not result in the desired outcome, the next step is to plan time for the necessary troubleshooting, configuration changes, or perhaps a patch fix. In order to isolate the problem, ensure that you have collected as much system information as possible. Also, perform the initial data gathering and basic troubleshooting prior to placing a support call, if necessary.
| Check the following areas | Procedure | Notes |
|---|---|---|
| Are all of the management server processes running? | opcsv | Restart the processes. Investigate why the process was not running. |
| What is the version of the management server software? | opcsv -version | Verify the current patch level for the management server. Upgrade if necessary. |
| Are all of the managed node processes running? | ovc | Check the error log file for possible reasons the process is down. Restart the processes. |
| What is the patch version of the managed node software? | opcagt -version | Try to maintain the current patch release. |
| Check the installed version of .managed node software and the sub-agent components from the management server | opcragt –agent_version <node> | This is also a quick way to check the communications between the server and the node. If this fails to verify, the node is managed by this server. It may be necessary to restart the processes on the node. |
| Check the HPOM errors on the HTTPS managed node. | tail /var/opt/OV/log/System.txt | |
| Check the status of the Oracle processes. | ps –ef|grep ora | If the oracle processes are not running, the HPOM processes will not start. |
| Verify the Oracle listener. | lsnrctl status | If the listener lsnrctl start is not running, restart it. The database must be open in order for the listener to start properly. You may need the help from a DBA to restart the database. |
| Check the HPOM platform background processes and services (NNM). | ovstatus -c | If the HPOM background processes are not running, HPOM processes will not start. |
| Verify hostname resolution from the server. | nslookup <node> | The HPOM platform utilizes nslookup <local_server_name> name resolution lookup services, this information
must be correct within the DNS, NIS or local host file.
Note: The command nsquery is becoming more useful for hostname or IP lookups. It provides more detailed information. |
| Verify hostname resolution from the managed node. | nslookup <server> nslookup <local_node_name> | |
| Check network connectivity from the server. | ping <node> | ping tests may indicate certain network delays that can be viewed with HPOM as a node down. Intermittent ping failures should be investigated and resolved. |
| Check network connectivity from the managed node | ping <server> | If the node is unable to ping the server; messages are buffered until the server is available. |
| Check the name resolution service configuration file. | more /etc/nsswitch.conf | Verify the search order. If using multi-homed hosts, see #17. |
| Is the node multi-homed? | Add an entry with the second IP_ADDRESS HOSTNAME into a file that you create on the server called /etc/opt/OV/share/conf/OpC/mgmt_sv/opc.host | The file has the same format as the /etc/hosts file. After the file is created restart the server processes. Any changes to the file require process restart. |
| Operator and Administrator login. | ps -ef|grep ui ps -ef|grep opcuiwww | Each operator (including the administrator) should have a unique login account for security purposes. |
| Login to HPOM using the operator account to ensure that the environment displays the correct information based upon the operators responsibilities. | ||
| Check the Oracle environmental variables | cat /etc/opt/OV/share/conf/ovdbconf | |
| Check the Oracle environmental variable within the user Oracle shell environment. | su – oracle | env|grep ORA |
| Check for all the environmental variables within the user oracle shell environment | su – oracle
env > /tmp/ora_env.out more /tmp/ora_env.out |
System environment variables are also important, such as the PATH, MANPATH, LANG, and so on. |
| Check connectivity to the Oracle database |
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Note: It may be necessary to check with a DBA to gain access to the database using the privileged user accounts. |
| Check remote connections to the database. |
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| Check the error logs. | ||
| Clean up pending policy distributions. | ll /var/opt/OV/share/tmp/OpC/distrib
rm /var/opt/OV/share/tmp/OpC/distrib/* |
If the distribution failed, a message will periodically appear in the message browser; remove the files from the distribution directory. |
| Check the integrity of the queue files | /opt/OV/contrib/OpC/opcqchk <queue_file> | If this program presents a menu and basic operations can be performed the queue file is OK. |
| Test message data flow in general | opcmsg a=a o=o msg_t=test | If the message appears in the browser message flow is OK. |
| Messages should appear in the browser of the assigned operator if not check the following: |
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| Test action execution. | Use command broadcast and run a command (i.e. hostname) | If successful actions work in general |
| Verify agent status | opcragt <node_name> | This displays agent status and tests basic connectivity |
| Test basic HTTPS connectivity | bbcutil -ping <node> | Execute the command on the managed node |
| Test HTTPS agent security certificates | ovcert -list | |
| Utilize the trace facility | If necessary to further investigation configure XPL tracing | Refer to the Tracing Concepts and Users Guide for more information about XPL tracing and logging. |
Society
Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers : Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism : The Iron Law of Oligarchy : Libertarian Philosophy
Quotes
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Bulletin:
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History:
Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds : Larry Wall : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOS : Programming Languages History : PL/1 : Simula 67 : C : History of GCC development : Scripting Languages : Perl history : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history
Classic books:
The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month : How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Hater’s Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite
Most popular humor pages:
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