Range Threshold - HP StorageWorks MSA 2/8 - SAN Switch User Manual

Using Fabric Watch
boundary, you can configure buffers, or values below the high boundary and above
the low boundary. When a counter changes from a value that exceeds a boundary
to a value that falls between the boundary and a buffer, no event registers. An
event only registers if the counter returns to a normal value beyond the buffer.
Figure 1
seconds, and five seconds generate events because they exceed boundaries. The
value at 2 seconds does not generate an event because, though it crosses a
boundary, it remains in the buffer zone. The values at four seconds and six
seconds generate events because they cross the upper boundary and lower
boundary, respectively, and return to normal values beyond the buffer zone.
Figure 1: Range Threshold
To configure a range threshold, you must:
Refer to the Using chapters in this book for detailed steps.
48
illustrates a range threshold with buffers. The values at one second, three
Configure a high boundary.
Configure low boundary.
Configure a buffer (optional).
Configure an exceeded alarm.
Configure an in-between alarm.
Fabric Watch Version 3.1.x/4.1.x User Guide