Category: VCS How To

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VCS 6.1 : How to Configure vxfen driver for cluster I/O fencing using vxfenconfig?

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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VCS 6.1 : How to manage SCSI-3 disk registrations and reservations for I/O fencing using vxfenadm and vxfenclearpre?

  vxfenadm: The vxfenadm utility enables the vxfen driver to manage SCSI-3 registrations and reservations on disks for purposes of I/O fencing. In the event of a split-brain condition, I/O fencing allows only a system with a valid registration to write to a disk. Thus, I/O...

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VCS 6.1 : How to check network connectivity among Cluster nodes using lltping?

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...

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VCS 6.1 : How to Administrate VCS Service Groups using the hagrp

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

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