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 fileset:

vxfentsthdw	Tests SCSI-3 functionality of the disks for I/O fencing See About the vxfentsthdw utility.
vxfenconfig	Configures and unconfigures I/O fencing Lists the coordination points 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 coordination points without stopping I/O fencing See About the vxfenswap utility.
vxfendisk	Generates the list of paths of disks in the disk group. This utility requires that Veritas Volume Manager (VxVM) 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.