VCS How To / Veritas Cluster Services
by Ramdev · Published February 11, 2014 · Last modified July 2, 2015
The gabdiskhb utility sets up and maintains the configuration of GAB driver heartbeat disk regions. GAB driver heartbeat disk regions provide channels in addition to the network connections for protection from network failures. These resources describe a 64K region that GAB uses to read and write...
The dlpiping utility exchanges network traffic over a specific DLPI network device to test network connectivity. Each host on the network being tested should run an instance of dlpiping in server mode to reflect packets from the other hosts. An instance of dlpiping in client mode...
The gabport utility displays GAB port information or changes the heartbeat timeout value of a user client process on a GAB port. In normal operation, a GAB client process should heartbeat to GAB at a certain interval. GAB uses this mechanism to monitor the aliveness of...
The gabdiskconf utility can be used to initialize a GAB disk region. It also writes the disk signature to the beginning of each block. The disk signature has three components : 1) a fixed system prefix, “GAB” 2) the node id for the block, and, 3)...
The haagent command starts, stops, displays, and lists VCS agents. The -start and -stop options enable you to debug custom agents without having to start and stop VCS. When using the command to specify or modify an attribute’s value that begins with a dash (“-“), precede...
The haalert command line utility enables users to view and delete VCS alerts.
Understanding VCS default Environmental Variables and their Default values will help us troubleshooting performance related issues.
Unix Experts / VCS Fundamentals / VCS How To / Veritas Cluster Services
by Ramdev · Published April 28, 2022
A service group is an instance of a computer service that is made highly available with VCS. A group comprises one or more resources of various resource types, such as disks, volumes, or databases. Use the hagrp command to view information about and manage each group
The lltping utility exchanges network traffic over a cluster to test the LLT network connectivity. A host on the network can run an instance of lltping in server mode to reflect packets from the other hosts. An instance of lltping in client mode can then be...
The vxfenconfig command configures the vxfen driver using parameters found in /etc/vxfenmode file. For a list of possible parameters and usage information please see the manpage for /etc/vxfenmode file. If this file is omitted I/O Fencing defaults to SCSI3 functionality. vxfenconfig command configures the vxfen driver...
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