• Copyright
  • General
    • Why do I see extra service instance managers (SIMs) when the session manager (SSM) is recovering?
    • How does the repository service work?
    • What Symphony daemons/processes are running on my cluster?
    • Why did service package deployment fail?
  • Resource Management
    • Why is the number of resources allocated to my application lower than what I expect?
    • Why is the number of guaranteed resources for my application lower than what I expect?
    • Why doesn't the session manager start?
    • How does EGO determine resource allocation when multiple consumers with equal share ratios require the same resource?
  • Cluster Administration
    • Why won't (components of) my cluster start?
    • What is the difference between "egosh ego shutdown all" and "egoshutdown"?
    • What is the difference between "egosh ego start" and "egostartup"?
    • Why can my host not dynamically join the cluster?
    • Which host is running the session director, GUI, and repository server?
    • Why does the "egoconfig mghost shared_top" command require a shared location?
    • How can I modify the master host or master candidate list for my cluster?
    • Why are session director and repository service still there after I ran "egosh ego shutdown all"?
    • Why does EGO still use the configurations in old <service_name>.xml file even after I have it updated?
  • Application Development and Testing
    • Java and .NET API: Why does my session end up in the ABORTED state even though my client has finished normally?
    • C++ API: Do I have to keep the TaskInputHandle that is returned by the Session::sendTaskInput(...) method?
    • What is the correct way to use SoamFactory initialization and uninitialization?
    • How can I optimize my use of the SessionCallback (asynchronous task retrieval)?
    • C++ API: Why does my application have a memory leak after calling the Session::sendTaskInput() method?
    • Where should I put service initialization code?
    • What happens if a client terminates unexpectedly and does not get a chance to call the close() API for session cleanup?
    • How do I debug my service application?
    • C++ API: How do I set the thread stack size limit?
    • What is the API threading model used for when using a session callback?
    • What is the correct way to use SoamFactory initialization and uninitialization?
    • How do I explicitly clean up the connection in the client code?
    • What are the best practices for using the Symphony API in a server application or daemon process?
    • What do the deployment errors mean?
    • What happens when a client temporarily loses the connection to Symphony?
    • Can I access legacy COM components from my application?
  • Cluster Configuration
    • Where are the SD.xml and other system service configuration files?
    • How can I change the port number for the Platform Management Console so that it runs at a different address?
  • Application Configuration
    • How can I get my Symphony DE machine to submit workload to a Symphony grid?
    • Why is my application disabled when I register a new application?
    • Do I have to modify the paths in the application profile when I switch to a shared directory using ‘egoconfig mghost <shared_top>'?
    • How can I configure my application to only accept resources/hosts that match a particular requirement?
  • Performance
    • What do I do if the Platform Management Console (WEBGUI) is not accessible under heavy load?
    • What are the effects of Background Applications on Symphony on all hosts? (Windows)
  • Security
    • Why does the command line ask me for username and password again after I already did soamlogon?
    • How do I configure SSH so that I am not always prompted for a password?
  • Running and Monitoring Workload
    • Why won't my service start?
    • Why are there blocked hosts for my application?
    • Why can't I view completed session or task information in the CLI or the Platform Management Console?
    • I have several clients connected with the same application. Why do I get two different exceptions when I disable the application?
    • Why is my task still running even after I suspended its owning session?
    • Will a session be closed/aborted if it becomes inactive for a certain time?
    • Why are so many of my tasks pending?
    • After aborting or suspending a session, the SSM dies. Why is the session still open after the SSM recovers?
    • How do I find the URL for the Platform Management Console?
    • Why is my session director not recovering like I want it to?
    • How are port numbers configured and how do I change them?
    • Why are tasks running on my master host?
    • Why can't I run symping on the command console when I can run it on the Platform Management Console?
    • Why does Symphony report task input, task output, and common data sizes that are larger than my actual data sizes?
    • Why does session recovery fail after the SSM dies?
    • Why does the SSM remain at a critical memory level when there is enough available memory and not much unfinished workload?
  • Installation
    • Unix: Why do I have to set the CLUSTERADMIN environment variable before running an .rpm or .bin installer?
    • Windows: After I run the uninstaller, why does the operating system still have reference to Symphony items in the Windows services and in the registry?
    • Windows: What are the minimum privileges required to install Symphony?
    • Are administrator permissions required to install Symphony on Windows 2003?
    • When installing Symphony on top of a running EGO cluster, there are errors in the GUI tomcat log, how serious is it?
  • Upgrade
    • My activation or deactivation has failed and has left my cluster in an inconsistent state. How do I recover from this?
    • How do I activate or deactivate the upgrade in a cluster where some master candidate hosts are unavailable?
    • How do I activate the upgrade on a subset of the hosts in a cluster?
    • Do I need to back up the cluster configuration before activating the upgrade?
    • Why do I encounter the error "Authentication failed" when I select an option even though I have already authenticated?
    • Why does activation require the cluster is up and all master and master candidates status are ok?
    • Does the Session Director (SD) service have to be running when I am deactivating the upgrade?
    • Do the plc and purger services need to be running if I want the PERF database schema be updated automatically when I am activating the upgrade in the cluster?
    • How do I ensure that applications are disabled before I deactivate the upgrade?
    • Why can't I find the latest versions of Symping and Symexec applications after I have activated the upgrade?
    • Why I am unable to locate the host model for my IBM Cell Blade after activating the upgrade?
    • Why can't I successfully activate the upgrade when files that are unnecessary in my cluster are missing?
    • Why does my attempt to activate the upgrade fail due to a missing file, when the file is actually present?
  • Logging and Log Files
    • What are the error domains in the Symphony logs?
    • How do I clean up log files while the system is running?
    • I deleted a log file and no new log file was created. What should I do?
    • What are the Symphony loggers?
    • Where are the Symphony log files? How do I read them?
    • How can I change the location of SOAM logs?
    • How do I change Symphony logging properties both statically and dynamically?
    • Why do all my SIM processes use the same SIM log file, such as sim.hostA.appA.0.log?