HP StorageWorks Fabric OS 5.0.0 Fabric Watch User Guide (AA-RW1TA-TE, May 2005)

Fabric Watch concepts42
To determine the value for the event setting attribute that enables all desired notification
methods, add the values assigned to each method. For example, to enable SNMP trap,
RapiTrap and email notification, use the value 22, which is equal to the sum of 2, 4, and 16.
Not all notification methods are valid for all areas. Every area has an associated valid alarm
matrix, which is the sum of all valid notification methods for that area. For example, an area
with a valid alarm matrix of 25 allows the error log entry (1), port log lock (8) and e-mail
notification (16) methods, but does not allow the SNMP trap (2) or RapiTrap (4) methods.
An area with a valid alarm matrix of 31 allows all of the notification types.
Switch policies
Switch policies are a series of rules that define specific states for the overall switch. Fabric OS
interacts with Fabric Watch using these policies. Each rule defines the number of types of
errors that transitions the overall switch state into a state that is not healthy. For example, you
can specify a switch policy so that if a switch has two port failures, it is considered to be in a
marginal state; if it has four failures, it is in a down state.
You can define these rules for a number of classes and field replaceable units, including ports,
power supplies, flash memory and fans.
NOTE: See Chapter 5, to view the current switch policies using the switch policy report.
Interpreting event messages
For information on specific error messages generated by Fabric Watch, refer to the HP
StorageWorks
Fabric OS 4.x diagnostic and system error messages reference guide.