Information Centers / Site Reference / Sticky posts / VCS Configurations / VCS Fundamentals / VCS How To / VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades / Veritas Cluster Services
by Ramdev · Published September 18, 2015 · Last modified September 19, 2019
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...
VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Cluster Services
by Ramdev · Published January 1, 2012
About the VCS configuration files VCS configuration files include the following: main.cf The installer creates the VCS configuration file in the /etc/VRTSvcs/conf/config folder by default during the VCS configuration. The main.cf file contains the minimum information that defines the cluster and its nodes. types.cf The file...
Blog for Unix Admin / Solaris Admin / VCS Fundamentals / VCS Maintenance / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published January 1, 2012 · Last modified August 6, 2016
Sample VCS configuration file for single Oracle instance Review the sample configuration with a resource of type Oracle that is configured as follows in main.cf file. The shared disk groups and volumes in the cluster are configured as resources of type DiskGroup and Volume respectively....
VCS Fundamentals / VCS Maintenance / Veritas Cluster Services
by Ramdev · Published November 14, 2011 · Last modified August 6, 2016
VCS requires you to set up a private network between the systems that form a cluster. You can use either NICs or aggregated interfaces to set up private network. You can use network switches instead of hubs. However, Sun systems assign the same MAC address to...
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published November 11, 2011 · Last modified July 23, 2016
VCS uses two components, LLT and GAB, to share data over private networks among systems. These components provide the performance and reliability that VCS requires. LLT (Low Latency Transport) provides fast, kernel-to-kernel communications, and monitors network connections. LLT configuration files are as follows: /etc/llthosts—lists all...
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published October 27, 2011
Use the following command to display the current state of the Veritas Cluster Server(VCS) configuration database: # haclus -display | grep ReadOnly ReadOnly 1 A result code of 1 indicates the configuration database is in a closed(ReadOnly) state. A result code of 0 indicates the configuration...
VCS Configurations / VCS Fundamentals / VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades
by Ramdev · Published March 6, 2011 · Last modified August 6, 2016
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...
VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades
by Ramdev · Published March 6, 2011 · Last modified July 23, 2016
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...
VCS Configurations / VCS Fundamentals / VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades / Veritas Cluster Services
by Ramdev · Published March 5, 2011
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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