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Preparing to configure I/O fencing

Make sure you performed the following tasks before configuring I/O fencing for VCS:

• Install the correct operating system.
• Install the VRTSvxfen depot when you installed VCS.
• Install a version of Veritas Volume Manager (VxVM) that supports SCSI-3 persistent reservations (SCSI-3 PR).

  Refer to the installation guide accompanying the Storage Foundation product that you are using.

The shared storage that you add for use with VCS software must support SCSI-3 persistent reservations, a functionality that enables the use of I/O fencing.