HP StorageWorks 2/16V Brocade Fabric Watch Administrator's Guide - Supporting - Page 37

Assigning notification methods, Switch policies, Interpreting event messages

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Switch policies 1 ASSIGNING NOTIFICATION METHODS Specify the particular notification method that you want Fabric Watch to use by assigning it a value. Table 10 shows the numerical values for each notification method. TABLE 10 Numerical values of notification methods Notification method Assigned value Error log entry 1 SNMP trap 2 Rapi Trap 4 Port log lock 8 E-mail notification 16 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, Rapi Trap and e-mail 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 Rapi Trap (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. See Chapter 4, "Generating Fabric Watch Reports" to view the current switch policies using the switch policy report. Interpreting event messages Fabric Watch events caused by configuration value changes are tagged as Audit messages. You can set up an external host to receive Audit messages so you can easily monitor unexpected changes. For information on error messages generated by Fabric Watch, see the Fabric OS Message Reference. For information on configuring an Audit Log, see the Fabric OS Administrator's Guide. Fabric Watch Administrator's Guide 21 53-0000438-01

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Fabric Watch Administrator’s Guide
21
53-0000438-01
Switch policies
1
ASSIGNING NOTIFICATION METHODS
Specify the particular notification method that you want Fabric Watch to use by assigning it a value.
Table 10
shows the numerical values for each notification method.
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, Rapi Trap and e-mail
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 Rapi Trap (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.
See
Chapter 4, “Generating Fabric Watch Reports”
to view the current switch policies using the
switch policy report.
Interpreting event messages
Fabric Watch events caused by configuration value changes are tagged as Audit messages. You
can set up an external host to receive Audit messages so you can easily monitor unexpected
changes. For information on error messages generated by Fabric Watch, see the
Fabric OS
Message Reference
. For information on configuring an Audit Log, see the
Fabric OS Administrator’s
Guide.
TABLE 10
Numerical values of notification methods
Notification method
Assigned value
Error log entry
1
SNMP trap
2
Rapi Trap
4
Port log lock
8
E-mail notification
16