Administering I/O fencing

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


Tests hardware for I/O fencing 

Path: /opt/VRTSvcs/vxfen/bin/vxfentsthdw 

See About the vxfentsthdw utility 


Configures and unconfigures I/O fencing 

Checks the list of coordinator disks used by the vxfen driver. 

Path: /sbin/vxfenconfig 


Displays information on I/O fencing operations and manages SCSI-3 disk registrations and reservations for I/O fencing 

Path: /sbin/vxfenadm 

See About the vxfenadm utility 


Removes SCSI-3 registrations and reservations from disks 

Path: /opt/VRTSvcs/vxfen/bin/vxfenclearpre 

See About the vxfenclearpre utility 


Replaces coordinator disks without stopping I/O fencing 

Path: /opt/VRTSvcs/vxfen/bin/vxfenswap 

See About the vxfenswap utility 


Generates the list of paths of disks in the diskgroup. This utility requires that Veritas Volume Manager is installed and configured. 

Path: /opt/VRTSvcs/vxfen/bin/vxfendisk 

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