Getting Started with vFabric Hyperic v.5.7 - VMware

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To resolve this problem, you must restore the encryption key that was originally configured, asdescribed below:1. Stop the vFabric Hyperic Server.2. Retrieve the server.encryption-key values from the EAM_ENCRYPTION_KEYStable in reverse chronological order, using this SQL statement:select * from EAM_ENCRYPTION_KEYS order by creation_date desc3. Set the value of the server.encryption-key property in server.conf with theEAM_ENCRYPTION_KEYS.ENCRYPTION_KEY value previous to the current one.4. Restart the vFabric Hyperic Server.5. Review server.log for encryption errors.o Lack of encryption errors indicates the problem is solved.o If encryption errors are still occurring, set the server.encryption-keyproperty to the next earlier value, and repeat the process as necessary until theproblem is solved.Agent Startup or Connection ProblemsThis section describes problems that could prevent the vFabric Hyperic Agent from starting upor connecting to the vFabric Hyperic Server.Agent Failed to Connect to Server at First StartupEvery time an agent starts up it attempts to contact the vFabric Hyperic Server. If, the first timeyou start up an agent, it cannot connect to the server, the agent will continue to have problemsconnecting to the server, even after the server is reachable.The first time a vFabric Hyperic Agent successfully connects with the vFabric Hyperic Server,the agent saves the server connection settings in its /data directory. If the server is notavailable (because the wrong address/port was configured for the agent, or because the serverhasn't been started or is still in the process of starting up) the agent will fail to connect, andhence fail to persist the server connection data. Upon agent restart, the agent will not be able tofind the connection data it requires, and fail to connect to the server. In this case, server.logwill contain a message similar to:2010-04-20 11:04:26,640 ERROR [Thread-1|Thread-1] [AutoinventoryCommandsServer]Unable to send autoinventory platform data to server, sleeping for 33 secs beforeretrying. Error: Unable to communicate with server -- provider not yet setup108
To solve this problem:1. Delete the agent's /data directory.This forces the agent to obtain new agent - server communication properties.2. Verify the address and listen port for the vFabric Hyperic Server.Is there a firewall between agent and server? See the instructions in Configure Agent -Server Communication Interactively or Configure Agent - Server Communication inProperties File.3. Verify the vFabric Hyperic Server is up.4. Start the agent, supplying the correct server connection properties, either inagent.properties or interactively. See the instructions referenced in step 2 above.Server Does Not Have Agent TokenStarting in 4.6.5, if all platforms managed by an agent are removed from vFabric Hypericinventory, the vFabric Hyperic Server also removes the saved authentication token for thatagent from the vFabric Hyperic database. So after you delete a platform that is managed by anagent that does not manage any other platforms (as in the case of an agent that manages onlythe platform it runs on), the vFabric Hyperic Server will not accept connections from that agent.If you want the agent to rediscover the platform, you must repeat the initial agent setup process.To force the agent setup dialog:While the agent is running, by running the agent launcher with the setup option, orBy deleting the agent's /data and restarting the agent.Agent Start Script TimeoutBy default, the agent start script times out after five minutes if the startup sequence is notsuccessful. Check the agent.log.startup file for messages.If desired, you can configure a longer timeout period – to give the agent more time to connect tothe server — by adding the agent.startupTimeOut property, defined below, to theagent.properties file.agent.startupTimeOutDescriptionThe number of seconds that the agent startup script will wait before determining that theagent did not startup successfully. If the agent is not determined to be listening for requestswithin this period of time, an error is logged, and the startup script times out.DefaultAs installed, agent.properties does not contain a line that defines the value of this property.The default behavior of the agent is to timeout after 300 seconds.After editing the agent.properties file, save your changes and restart the agent.109
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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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3. Entering the following command i
Page 58 and 59: Install vFabric Hyperic Server:1. O
Page 60 and 61: For information and required and op
Page 62 and 63: About vFabric Hyperic Agent RPMThe
Page 64 and 65: o On Windows platforms, install the
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
Page 80 and 81: If the properties file does not alr
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
Page 88 and 89: Argument Description Default Behavi
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
Page 106 and 107: For example:$ telnet 192.168.1.114
Page 110 and 111: Java Service Wrapper TimeoutUnder h
Page 112 and 113: Overloaded BackendIf the vFabric Hy
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Getting Started with vFabric Hyperic v.5.7 - VMware

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