If a site system is the database server,
this threshold is the minimum percentage of available database
space. For all other site systems, this threshold is the minimum
percentage of available disk space.
If the storage object is already in the Storage object
list, select it and then click . In the Free Space
Threshold Properties dialog box, set the free-space
thresholds for the object.
If the storage object is not in the Storage object list,
click . In
the Free Space Threshold Properties dialog box, specify a
storage object and set the thresholds for the object.