About administering I/O fencing


About administering I/O fencing
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The I/O fencing feature provides the following utilities that are available through the VRTSvxfen RPM:

vxfentsthdw	Tests hardware for I/O fencing See About the vxfentsthdw utility.
vxfenconfig	Configures and unconfigures I/O fencing Checks the list of coordinator disks used by the vxfen driver.
vxfenadm	Displays information on I/O fencing operations and manages SCSI-3 disk registrations and reservations for I/O fencing See About the vxfenadm utility.
vxfenclearpre	Removes SCSI-3 registrations and reservations from disks See About the vxfenclearpre utility.
vxfenswap	Replaces coordinator points without stopping I/O fencing See About the vxfenswap utility.
vxfendisk	Generates the list of paths of disks in the diskgroup. This utility requires that Veritas Volume Manager is installed and configured.

The I/O fencing commands reside in the /opt/VRTS/bin folder. Make sure you added this folder path to the PATH environment variable.

Refer to the corresponding manual page for more information on the commands.