Getting Started with vFabric Hyperic v.5.7 - VMware

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For example:$ telnet 192.168.1.114 2144For a successful connection, the results are similar to:Trying 127.0.0.1...Connected to localhost.Escape character is '^\]'.GETConnection closed by foreign host.To verify that the agent can access the server's listen port, run the following from the agentplatform:$ telnet ServerIP ServerPortFor example:$ telnet 192.168.1.114 7080vFabric Hyperic Server ProblemsThis section describes problems that could prevent the vFabric Hyperic Server from starting up.Large Event TableA message like the following in server.log indicates that the EAM_EVENT_LOG is so largethat trigger initialization is taking more than 15 minutes.License IssuesIn vFabric Hyperic, the number of platforms you can manage is limited by your license. Formore information, see Install or Configure vFabric Hyperic License.Backlogged vFabric Hyperic ServerWhen the vFabric Hyperic Server starts after a period of downtime, it can be inundated withmetric reports from agents that continued to run while the server was down. When the server isprocessing a large metric backlog from many agents, the maximum size of the agent-serverconnection pool size can become a bottleneck and affect server performance.You can check the "Current Thread Busy" metric for the vFabric Hyperic Server's internalTomcat server to determine whether connection pool size is an issue.106
To enable a restarted server catch up with a metric backlog you can increase the maximum sizeof the agent-server connection pool — typically this is the only time that increasing the size ofthe connection pool is indicated. The maximum number of agent-server connections isconfigured with the org.hyperic.lather.maxConns property in web.xml. Note howeverthat, in effect, the number of connections is limited by the maximum number of server executionthreads, which is configured using the tomcat.maxthreads property in server.conf. So,when you increase the value of org.hyperic.lather.maxConns, it may be necessary toincrease the value of tomcat.maxthreads.To enable a backlogged vFabric Hyperic Server to catch up, enable 5% to 10% moreconnections than there are agents reporting to the server. For example, if you have 1000agents, enable 1050 to 1100 agent-server connections.To change the size of the agent-server connection pool:1. As necessary, update the maximum number of agent-server connections —org.hyperic.lather.maxConns — in /hq-engine/hq-server/webapps/ROOT/WEB-INF/web.xml file, inthe snippet shown below. Ensure that the value of maxConns is 5% to 10% greater thanthe number of agents that report to the server.org.hyperic.lather.maxConns30002. As necessary, configure the maximum number of Tomcat threads —tomcat.maxthreads — in server.conf. Ensure that the value of maxThreadsgreater than the value of maxConns.3. Restart the vFabric Hyperic Server to enable the changes to take effect.Decryption ErrorsIf the vFabric Hyperic Server attempts to decrypt data using a different database passwordencryption key than was supplied during vFabric Hyperic Server installation, decryption errorslike the following may be written to the server.log file.org.jasypt.exceptions.EncryptionOperationNotPossibleExceptionSuch errors can occur if the ServerHome/server.conf file is lost, the value of theserver.encryption-key property in that file is changed is lost or changed, or (if vFabricHyperic Server is configured for high availability) after server failover.107
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Getting Started with vFabricHyperic
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ContentsAbout Getting Started with
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About Getting Started with vFabric
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Key Facts for vFabric Hyperic Insta
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About SSL in vFabric HypericAbout t
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By default, the vFabric Hyperic Ser
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You can also ensure that you do not
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o The vFabric Hyperic Server saves
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Unidirectional Communication via a
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Propertyserver.java.optstomcat.maxt
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vFabric Hyperic Installation and St
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3. Start the vFabric Hyperic Server
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d. Open firewall port if necessary.
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6. Import discovered resources.o Af
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Step-by-Step ProceduresSelect and D
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About vFabric Hyperic JREsBoth vFab
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Password Requirement for vFabric Hy
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About the vFabric Hyperic vAppA vir
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vFabric Hyperic Server vApp Adminis
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Prerequisites and RequirementsThese
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5. Click the Custom Properties tab.
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checkpoint_segments — Set the val
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Stop PostgreSQLStop PostgreSQL with
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o On Windows platforms, enter:PathT
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17. What port should HQ's built-in
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3. On the Administrator User Inform
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After installing the agent, proceed
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Page 58 and 59: Install vFabric Hyperic Server:1. O
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Page 62 and 63: About vFabric Hyperic Agent RPMThe
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Page 66 and 67: Set Up Agent in Properties FileAbou
Page 68 and 69: About Password EncryptionThe first
Page 70 and 71: About Where the Agent Finds Server
Page 72 and 73: agent.setup.camPortDescriptionYou c
Page 74 and 75: agent.setup.agentIPDescriptionThis
Page 76 and 77: agent.keystore.pathDescriptionThis
Page 78 and 79: About unidirectional communicationI
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Page 82 and 83: Two-Step Migration ProcedureIn this
Page 84 and 85: One-Step Migration ProcedureNote: I
Page 86 and 87: Command Required Optionalhq-exporth
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Page 90 and 91: Parameter Description DefaultqueryT
Page 92 and 93: hq-install.log — this file contai
Page 94 and 95: Create a Custom Agent Upgrade Bundl
Page 96 and 97: The installer installs a new versio
Page 98 and 99: Change vFabric Hyperic Server Sizin
Page 100 and 101: Changing from Unidirectional to Bid
Page 102 and 103: Configure vCenter Operations Manage
Page 104 and 105: Depending on your environment, you
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Page 110 and 111: Java Service Wrapper TimeoutUnder h
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Getting Started with vFabric Hyperic v.5.7 - VMware

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