Troubleshooting, Shared Memory | HP WebQoS Software manual

NOTE

Using HP WebQoS

Troubleshooting

Troubleshooting

Make sure you have installed all required patches. Refer to the HP WebQoS Premium for HP-UX Release Note for a list of these patches.

Shared Memory

If you see the following warning in the /var/opt/webqos/logs/qoslog ﬁle,

Couldn’t attach to shared memory

this means that the Service Control Agent (SCA) cannot function correctly without memory segments.

You need to do one of the following:

•Either run the System Application Manager (SAM) and create a kernel with more memory segments

Or

•run ipcs to list memory segments, and then run ipcrm -mto delete memory segments.

Error Messages Viewable From the Management User Interface

The following error messages are viewable in the management user interface:

•The SCO on <machine> on port <number> is not running.

The WebQoS SCO is down. You need to exit the management user interface, restart the SCO by running /opt/webqos/bin/sco_start and then restart the management user interface.

You must be root to restart the SCO and run

/opt/webqos/bin/sco_start

•Problems writing to the SCO socket

Chapter 4

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HP WebQoS Software manual Troubleshooting, Shared Memory, Error Messages Viewable From the Management User Interface

Contents

Manufacturing Part Number B8311-90004 E0900 Edition Legal Notices Contents Using HP WebQoS Customizing and Using HP OpenView with HP WebQoS Installing and Using HP LocalDirector Controller Contents Contents Printing History Page Chapter Understanding HP WebQoS Role and Beneﬁts of HP WebQoS Role and Beneﬁts of HP WebQoS WebQoS Concepts Service Sessions Request ClassiﬁcationsCapacity Protection Policy Based Service Level Objectives SLOs and Thresholds How WebQoS Fits Into Your Environment How WebQoS Fits Into Your EnvironmentWebQoS in Your Environment WebQoS Components Control Service ControlAgent SCA WebQoS Request Request and Management Data Flow Request and Management Data Flow How WebQoS Fits Into Your Environment Chapter Installing HP WebQoS Installing HP WebQoS Conﬁguring HP WebQoS Conﬁguring HP WebQoS WebQoS Administrator’s Task Flow Conﬁguring HP WebQoS Intos Flag Enabling Network Type of ServiceModifying Conﬁguration Files Before Start-Up Modifying Conﬁguration Files Before Start-Up SCA and Web Server Parameters Modifying WebQoS Global Conﬁguration MonitorResponseTimeWeight Default 50% SCA Parameters SCO Parameters Denial of Service Parameters Logging and Tracing Parameters Error URL Encoding Parameters Conﬁguring Zeus Web Server Parameters Conﬁguring Your Web ServerZeus Web Server Conﬁguring Your Web Server Conﬁguring Your Web Server IP-Based Virtual Servers Subservers IPlanet Web Server Running the WebQoS setup Script Running the WebQoS setup Script Opt/webqos/install/setup -r Running setup -r Conﬁguring WebQoS from the Management User Interface Conﬁguring WebQoS from the Management User Interface Starting the WebQoS Management User Interface WebQoS Login Dialog Box Understanding the Management User Interface Management User Interface ViewWindow Area Description Conﬁguring HP WebQoS Add System Conﬁguration Description Dialog Box Adding a System Adding a Service Add Service Conﬁguration Description Dialog Box To Conﬁgure Service Statistics Logging Add Service Conﬁguration Statistics Dialog Box To Conﬁgure Service Level Objectives for the Service Add a Service Conﬁguration SLO Dialog Box Add Service Level Objectives Dialog Box Add Corrective Actions Dialog Box To Specify Service-Wide Corrective Actions for SLOs Modifying Service-Wide Corrective Actions 10 Edit Service Conﬁguration Dialog Box 11 Service Corrective Action Conﬁguration Defer Dialog Box Conﬁguring WebQoS from the Management User Interface You must enter either the URL of the website for example Service Corrective Action Redirect dialog box 13 Service Corrective Action Conﬁguration Reject Dialog Box Adding a Site To Identify the Web Server for the Site To Identify the Site 15 Add Site Conﬁguration Web Server Dialog Box 16 Edit Site Conﬁguration Classiﬁcation Rules Dialog Box Prioritizing Requests to the Site 17 Add Request Classiﬁcations Rules Dialog Box Setting Site Service Level Objectives 18 Add Site Conﬁguration SLOs Dialog Box 19 Add Service Level Objectives Dialog Box 20Add Corrective Actions Dialog Box To Specify Corrective Actions for Site SLOs Adding Site Threshold Policies 21 Edit Site Conﬁguration Threshold Policies Dialog Box 22 Add Thresholds Dialog Box 23Add Corrective Actions Dialog Box To Specify Corrective Actions for Threshold Policies Conﬁguring Advanced Features for the Site 24 Edit Site Conﬁguration Advanced Dialog Box Modifying Session Timeouts Assigning Web Server Request Queues 25 Site Advanced Session Timeouts Dialog Box 26 Site Advanced Web Server Queue Management Dialog Box 27 Site Advanced Accept Threads Dialog Box Modifying Web Server Accept Threads To Defer Site-Wide Corrective Actions Specifying Site-Wide Corrective Actions To Redirect Site-Wide Corrective Actions 29 Site Corrective Action Conﬁguration Redirect Dialog Box To Reject Site-Wide Corrective Actions Enabling Site Statistics Logging 30 Site Corrective Action Conﬁguration Reject Dialog Box 31 Site Statistics Logging Dialog Box Verifying Your Conﬁguration Verifying Your Conﬁguration Using HP WebQoS Navigating the Services/Systems View Navigating the Services/Systems View To Edit the Site’s Request Classiﬁcation Rules To Edit the Site Type and Service NameEditing a System Conﬁguration Editing a Site Conﬁguration Editing a Site Conﬁguration To Edit the Site’s SLOs To Edit a Site’s Threshold Policies Editing a Site Conﬁguration Threads to take effect To Apply Your Conﬁguration Changes Copying a System or Site Copying a System or Site Deleting a System, Service, or Site Deleting a System, Service, or Site Monitoring SLOs and the History Log Understanding the Service Level Objectives ViewService Level Objectives View Monitoring SLOs and the History Log Monitoring SLOs and the History Log Understanding the History Log View History Log View Monitoring SLOs and the History Log Filtering SLOs and Thresholds Filtering SLOs and Thresholds 100 Chapter Filtering the History Log Filtering the History LogChapter 101 102 Chapter Chapter 103 Displaying Site StatisticsViewing SLO Related Statistics Displaying Site Statistics 104 Chapter Site Performance Statistics SLO Related Statistics Chapter 105 Viewing Site Session Control Statistics 106 Chapter Site Session Control Statistics Screen Chapter 107 Displaying Service Performance StatisticsViewing Service SLO Related Statistics Displaying Service Performance Statistics 108 Chapter Service Performance Statistics SLO Related Statistics Chapter 109 Viewing Service Session Control Statistics 110 Chapter Service Session Control Statistics Chapter 111 Viewing Defer Related Statistics for the Service 112 Chapter 11 Defer Statistics for the Service Chapter 113 12 Detailed Defer Statistics for the Service 114 Chapter Changing the PasswordConnecting to Another Management Station Changing the Password Shared Memory TroubleshootingError Messages Viewable From the Management User Interface Troubleshooting 116 Chapter Pages Logging and Tracing Error Messages Viewable From the Terminal WindowChapter 117 118 Chapter Chapter 119 Troubleshooting 120 Chapter Chapter 121 OpenView with HP WebQoS 122 Chapter Customizing and Using HP OpenView with HP WebQoS Chapter 123 Data Flow of WebQoS to HP OpenView 124 Chapter Installing and Conﬁguring the WebQoS System Chapter 125 Installing and Conﬁguring the Service Reporter System 126 Chapter Viewing WebQoS Reports in Service Reporter Chapter 127 128 Chapter Installing, Conﬁguring and Using PerfViewInstalling, Conﬁguring and Using PerfView Logging WebQoS Site Data Chapter 129 Logging WebQoS Service Data 130 Chapter Viewing Graphs in PerfView Chapter 131 TIP 132 Chapter Installing and Conﬁguring HP OpenView IT/OperationsInstalling and Conﬁguring HP OpenView IT/Operations Data Flow of WebQoS to HP OpenView IT/Operations Getting a Quick Start Installing the TemplatesChapter 133 134 Chapter Customizing the ITO Templates Chapter 135 After editing 136 Chapter Managing the WebQoS System Error Messages Troubleshooting WebQoS Processes on HP-UXChapter 137 138 Chapter If Problems Occur But There Are No Error Messages Chapter 139 LocalDirector Controller 140 Chapter What is HP LocalDirector Controller?What is HP LocalDirector Controller? HP LocalDirector Controller Conﬁguring Cisco LocalDirector Installing HP LocalDirector ControllerInstalling the Software Installing HP LocalDirector Controller Conﬁguring HP LocalDirector Controller Conﬁguring HP LocalDirector Controller142 Chapter Chapter 143 HP LDControl Conﬁguring the HP LDControl Server Installing and Using HP LocalDirector Controller144 Chapter Chapter 145 Conﬁguring the HP LDControl Daemon HP LDControl Daemon Conﬁgurable Parameters HP LDControl Service Conﬁguration Screen146 Chapter Chapter 147 HP LDControl Start/Stop Daemon Starting and Stopping the HP LDControl Daemon148 Chapter HP LDControl Cannot Find Cisco’s LocalDirector Troubleshooting the HP LD ControllerGeneral Troubleshooting Conﬁguring a System with More than One LAN Card HP LDControl Daemon HP LDControl Daemon Error Log Messages and Actions150 Chapter Chapter 151 Error Action Message 152 Chapter Ps -efagrep ldcagt Chapter 153 Conﬁguring HP LocalDirector Controller 154 Chapter Appendix a 155 Policy and Rule Descriptions Request Classiﬁcation Rules Request Classiﬁcation Rules156 Appendix a Appendix a 157 158 Appendix a Service Level Objectives for SitePolicies Set in WebQoS Policies Set in WebQoS Threshold Policies Service Level Objectives for the ServiceAppendix a 159 160 Appendix a Appendix a 161 Corrective Actions for SLO and Threshold Policy Violations 162 Appendix a Customizing the Reject and Defer Web Pages Appendix a 163 Figure A-1 Default Defer 164 Appendix a Figure A-2 Example of Custom Defer Page with Link Appendix a 165 166 Appendix a Figure A-3 Example of Custom Defer Page with Popup Dialog Appendix a 167 Policies Set in WebQoS 168 Appendix a Appendix B 169 HP OpenView IT/Operations ITO Alarms IT/Operations Alarms IT/Operations AlarmsITO Alarms Based on WebQoS Events ITO Alarms Based on WebQoS Process Monitoring Appendix B 171 ITO Alarms Based on WebQoS Statistic Crossing a Threshold 172 Appendix B Appendix B 173 WebQoS Statistic Variable Names for ITO Threshold Templates 174 Appendix B WebQoS Statistic Variable Names for ITO Threshold Templates 175 Glossary 176 177 Service Level Objective SLO 178 179 Index 180 181 182