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Setting up I/O fencing for VCS

Tasks involved in setting up I/O fencing include:

• Initializing disks
• Setting up coordinator disk groups
• Stopping VCS on all nodes
• Configuring /etc/vxfendg disk group for I/O fencing
• Updating /etc/vxfenmode file
• Starting I/O fencing
• Modifying VCS configuration to use I/O fencing
• Verifying I/O fencing configuration