Category: VCS Migrations

VCS information Center

  VCS for Beginners Read – VCS for Beginners – Getting Started with VCS Read – VCS for Beginners– Cluster Membership & IO Fencing Read – VCS for Beginners – Understand Jeopardy Condition with real time scenerio Read – VCS for Beginners – Configuring Veritas Cluster...

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VCS : Understand Jeopardy Condition with real time scenerio

VCS facing the  following Issue  :  Service group not failing over when server rebooted. Error messages in /var/adm/messages file: Mar 18 15:26:48 p-vhs-ntt01b-d2 gab: [ID 316943 kern.notice] GAB INFO V-15-1-20036 Port a gen ef2e0f membership 01 Mar 18 15:26:48 p-vhs-ntt01b-d2 gab: [ID 608499 kern.notice] GAB INFO...

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VCS : Configure /etc/llttab

The /etc/llttab file must specify the system’s ID number (or its node name), its cluster ID, and the network links that correspond to the system. In addition, the file can contain other directives. Refer also to the sample llttab file in /opt/VRTSllt. Run the dladm show-dev command...

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VCS : Disabling the VCS agent

  To disable the agent on a system, you must first change the VCS service group to an OFFLINE state. You can stop the application completely, or switch the service group to another system. To disable the agent Determine if the service group is online. At...

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VCS : Sample Configuration to add new Service Groups

Below are the some sample configurations on how do we  configure new service groups  in two common scenarios i.e. while VCS online and while the  VCS is stopped. It is good to know this information to perform various dynamic configuration to VCS cluster without disrupting the...

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VCS : Adding new node to the existing cluster

Install the  VCS software manually  on server check the  packages  and install the license key. 1. ./Installvcs -installonly Configuring LLT and GAB: Create the LLT and GAB configuration files on the new node and update the files on the existing nodes. To configure LLT 1 Create...

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