Sybase recommends that your I/O fencing use persistent
DSF on HP-UX 11.31.
Note: HPIA I/O fencing does not support the HP VM.
Run qrmutil to confirm that a disk is I/O fencing capable. See Chapter 14, “System Changes,” in
the Cluster User Guide for information about running qrmutil.
Before you enable I/O fencing, make sure you have read and write permissions for all
database and quorum devices. Use the UNIX chown, chgrp,
and chmod commands to correct the permissions
if needed.