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140 HP StorageWorks 2/8q Fibre Channel Switch Management User Guide
THRESHOLD
Initiates a configuration session by which to generate and log alarms for selected
events. The system displays each event, its triggers, and sampling window one line at a
time and prompts you for a value. For each parameter, enter a new value or press
Enter to accept the current value shown in brackets. These parameters must be saved
in a configuration and activated before they take effect. See the “Config command” on
page 119 for information about saving and activating a configuration. Table 53
describes the Set Config Threshold parameters. The switch shuts down a port if an
alarm condition is not cleared within three consecutive sampling windows (by default
30 seconds). Reset the port to bring it back online. An alarm is cleared when the
threshold monitoring detects that the error rate has fallen below the falling trigger.
Table 53: Set config threshold parameters
Parameter Description
Threshold Monitoring Enabled Master enable/disable parameter for all events.
Enables (True) or disables (False) the generation of all
enabled event alarms. The default is False.
CRCErrorsMonitoringEnabled
DecodeErrorsMonitoringEnabled
LoginMonitoringEnabled
LogoutMonitoringEnabled
LOSMonitoringEnabled
The event type enable/disable parameter. Enables
(True) or disables (False) the generation of alarms for
each of the following events:
■ CRC errors
■ Decode errors
■ Device login errors
■ Device logout errors
■ Loss-of-signal errors
Rising Trigger The event count above which a rising trigger alarm is
logged. The switch will not generate another rising
trigger alarm for that event until the count descends
below the falling trigger and again exceeds the rising
trigger.
Falling Trigger The event count below which a falling trigger alarm is
logged. The switch will not generate another falling
trigger alarm for that event until the count exceeds
the rising trigger and descends again below the
falling trigger.
Sample Window The period of time in seconds in which to count
events.