|May the source be with you, but remember the KISS principle ;-)|
|Contents||Bulletin||Scripting in shell and Perl||Network troubleshooting||History||Humor|
|News||HP Operations Center||Recommended Links||Reference||HPOM Server resources reference||HPOM Server start, stop. status and other basic operations|
|Checking and restarting OMU Server processes||Server Health checking using itochecker||HPOM 9 Env Variables||Log Files||HPOM Directories||Tracing|
|Policies troubleshooting||Message from opcmsg not reaching manager||Troubleshooting HPOM agents||Terminology||Humor||Support Forum|
Note: HP renamed the product called now HP operations manager way too many times. Also it is very inconsistent with using abbreviations. Here we will assume that the term "HP Operations manager" and abbreviations HPOM, OMU, and OVO mean the same thing :-)
Troubleshooting, problem analysis and root cause determination requires patience, determination, and experience. Even if you just deleted important directory you should rush to action. It is important to analyze the problem and see available options in order to find the correct path. Although you may start out on one path and end up on another in order to resolve a complex problem, over time the most important skill will become patience. You need to deliberately slow down yourself, maintain log of your actions and think before jumping to action. In may cases haste really bring waist and one hour problem became 10 hour problems due to some badly thought out "recovery" action.
You can benefit from using HP Support Forum. There is also access to online HP OpenView technical support
When an event occurs that cause system or application downtime, this downtime already started often additional 20-30 min does not change anything. So the number one priority is forget idea of getting it back as quickly as possible and work as reliably and safely as possible. That means making intermediate backups as you progress.
Each event can be analyzed against the baseline of working system. In this sense detecting configuration or system changes from the known good configuration is an important step that prevent hasty action and likely force you to tread with a more cautious mindset. Production environment is often stupidly stable and differences that you might find can be the key to detecting what coused a problem. Three major sources of problems are
Helpdesk support from HP is critical for serious problems as you by definiton can't know the HPOM to the depth that developers in HP know. Collaboration with colleagues is important when the issue falls outside the realm of familiar territory. In this sense excluding possibility of actions of other sysadmins is important first step. It never hurts to ask a question or two of those who might have seen a similar situation and have more current experience. Finally, bulldog style determination is the final essential quality for someone facing the HPOM troubleshooting task, especially if the situation is unfamiliar.
There are multiple tools built into the HPOM user environment that might help you solve the problem. They make possible to use structured approach to determination of the root cause of the problem and components involved. The HPOM structurally be viewed as several subsystems each of which can be investigated independently:
Networking and Client/Server Communications
Database(s) and Event and Message processing
Applications (out-of-the-box and add-on)
Agents and their components (smart Plug-Ins)
Security (built-in and add-on)
High Availability (backup server, cluster, etc)
The task of troubleshooting a problem has three key components
What is the status of the HPOM processes on the server. What is the status of agent processes on the server.
Do you have a current system backup?
What is the complete error message?
Versions of the HPOM software products in use
Versions of the operating system for the server
Server platform is involved?
Where did the error occur? When did the error initially occur?
Can the problem be replicated?
What recent changes were made to the operation system and/or HPOM system (such as patches, configuration changes, etc)?
Error messages from HPOM are reported to the user via a variety of sources. The error message sources are the log files, the graphical user interface, and the shell. In the graphical user interface, the error messages may appear in a pop-up window as the result of an illegal operation or in the message browser within the message text. There are a few log files that contain important information about the normal operation of the system and when necessary error messages when an operation within the OV environment did not complete successfully. For example, after installing an operating system or OV patch you should check the installation log files for any errors.
Here are topics from Advanced Administration class that can be helpful:
HPOM Communication and Firewalls
- Global Architecture
- HTTPS versus DCE Communication
- HPOM Queue Files
- Open Agent Overview
- Component Architecture - Terminology
- OV Foundation
- Component Architecture (HTTPS Agent)
- Architecture - Message Flow, Policy Management and Processes
- HPOM in Secure Environments
- HTTP Communication
- HPOM and HTTPS - Managing through a Firewall
- Using HTTP Proxies
- Proxies and Content Filtering
- HPOM and HTTPS -- Using Proxies
- Proxies - HPOM Configuration
- Proxy Configuration - Syntax
- HTTPS Agent and NAT
- Traditional HPOM Communication
- Use of the Reverse Channel Proxy
- Configuring Outbound-Only Communication
- DCE Communication Across Firewalls
- DCE RPC - Details
- DCE Nodes -- Firewall Configuration
Certificate Use and Management
- Certificates, Encryption and Signatures
- Certificates and HPOM
- Use of Certificates and Private Key for SSL Handshake and Signature
- Basic Certificate Commands
- Certificate Deployment and Backing Up Certificates
- Granting Certificate Requests in HPOM GUI
- Certificate Client and Server Commands
- Manual Certificate Deployment and Installation
- Using an Installation Key
- XPL Distributed Architecture
- XPL Trace Server
- Tracing -- Configuration
- Viewing Traces with the Windows GUI Client
- Restricting Trace Information
- Searching and Saving Trace Data
- Command Line Trace Utilities
- DCE Agent Tracing
- Verifying Core IDs and Certificates
- Invalid or Lost Certificates
- Compromised Certificates or Keys
- HTTPS Communication Problems
- HPOM Test Tools
- Testing Data Flow
During troubleshooting, it is helpful to have all the necessary information and resources at your fingertips. The online resources provided within the HPOM platform make access to important information easy. Inside each graphical window there is a HELP button on the menu.
# tail /var/opt/OV/log/OpC/opcerror|grep ERROR
Installation creates a number of log files, all located in the folder <OvDataDir>\HPOVInstall.
Each log file tracks a specific portion of the overall product installation or uninstallation. The information contained in the logs is mostly the output of the msiexec.exe application (See Other Tools); however, some of the information generated is specific to the portion of the install executed. See Log file examples.
Log file filename format follows these rules:
where <package> is any of the subpackages listed in the tables above.
One additional log file (non-Windows Installer format) is created during installation that logs
the status of the many configuration tasks performed during the installation of management servers and consoles. The name of the file is ServerConsoleInstallResults.txt.
See Log file examples.
HP Software Solutions Community online forum
We have AIX managed nodes running https agents 8.6. Sometimes one the subagents crashes and a large core file is written to /var/opt/OV/tmp. Is it possible to configure the agent in a way that there is no core file written in case of a crash ? The agent is restart by the selfmanagement policies.
pituhdo, HP Knowledge Expert:
I'm afraid that the core dumps are controlled by the OS rather than the agent itself, so AFAIK there is no way to configure the agent to not create core files.
You can configure the size of the core files on the configuration file /etc/security/limits as can be seen on
If you want that your system doesn't create any core file just set the core variable to 0.
Core files are caused normally by a bug in the software so I would recommend contacting HP Software Support in order to get it solved.
Hope this helps,
How to check the used and spare space of tablespaces for the HPOM oracle database
How to uploading Policies on HPOM 9 using the AdminUI
Softpanorama hot topic of the month
FAIR USE NOTICE This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available in our efforts to advance understanding of environmental, political, human rights, economic, democracy, scientific, and social justice issues, etc. We believe this constitutes a 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material on this site is distributed without profit exclusivly for research and educational purposes. If you wish to use copyrighted material from this site for purposes of your own that go beyond 'fair use', you must obtain permission from the copyright owner.
ABUSE: IPs or network segments from which we detect a stream of probes might be blocked for no less then 90 days. Multiple types of probes increase this period.
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
War and Peace : Skeptical Finance : John Kenneth Galbraith :Talleyrand : Oscar Wilde : Otto Von Bismarck : Keynes : George Carlin : Skeptics : Propaganda : SE quotes : Language Design and Programming Quotes : Random IT-related quotes : Somerset Maugham : Marcus Aurelius : Kurt Vonnegut : Eric Hoffer : Winston Churchill : Napoleon Bonaparte : Ambrose Bierce : Bernard Shaw : Mark Twain Quotes
Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 : Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law
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
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 Haterís Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite
Most popular humor pages:
Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor
The Last but not Least
Copyright © 1996-2016 by Dr. Nikolai Bezroukov. www.softpanorama.org was created as a service to the UN Sustainable Development Networking Programme (SDNP) in the author free time. This document is an industrial compilation designed and created exclusively for educational use and is distributed under the Softpanorama Content License.
Original materials copyright belong to respective owners. Quotes are made for educational purposes only in compliance with the fair use doctrine.
FAIR USE NOTICE This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available to advance understanding of computer science, IT technology, economic, scientific, and social issues. We believe this constitutes a 'fair use' of any such copyrighted material as provided by section 107 of the US Copyright Law according to which such material can be distributed without profit exclusively for research and educational purposes.
This is a Spartan WHYFF (We Help You For Free) site written by people for whom English is not a native language. Grammar and spelling errors should be expected. The site contain some broken links as it develops like a living tree...
|You can use PayPal to make a contribution, supporting development of this site and speed up access. In case softpanorama.org is down you can use the at softpanorama.info|
The statements, views and opinions presented on this web page are those of the author (or referenced source) and are not endorsed by, nor do they necessarily reflect, the opinions of the author present and former employers, SDNP or any other organization the author may be associated with. We do not warrant the correctness of the information provided or its fitness for any purpose.
Last modified: August 05, 2013