HP StorageWorks 2/16V Brocade Fabric Watch Administrator's Guide (53-1000243-0 - Page 22

Fabric Class Areas, Table 1-3, Description

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1 Fabric Watch Components Fabric Class Areas Table 1-3 lists Fabric Watch areas in the Fabric class and describes each area. Table 1-3 Fabric Class Areas Area Description Domain ID Changes Monitors forced domain ID changes. Forced domain ID changes occur when there is a conflict of domain IDs in a single fabric and the principal switch has to assign another domain ID to a switch. Fabric Logins Occurs when ports and devices initialize with the fabric. Fabric Reconfiguration Tracks the number of reconfigurations of the fabric. Fabric reconfiguration occurs when: • Two fabrics with the same domain ID are connected. • Two fabrics are joined. • An E_Port or VE_Port has gone offline. • A principal link has segmented from the fabric. Loss of E_Port Tracks the number of times that an E_Port or VE_Port goes down. E_Ports and VE_Ports go down each time you remove a cable or an SFP (where there are SFP failures or transient errors). Segmentation Changes Tracks the cumulative number of segmentation changes. Segmentation changes occur due to: • Zone conflicts. • Incompatible link parameters. During E_Port and VE_Port initialization, ports exchange link parameters, and incompatible parameters result in segmentation. This is a rare event. • Domain conflicts. • Segmentation of the principal link between two switches. SFP State Changes Indicates whether the state of the SFP is normal or faulty, on or off. A faulty or off state means that you must reinsert, turn on, or replace the SFP. Fabric Watch monitors only the digital diagnostic SFP. Note: SFPs connected to GbE ports are not monitored. Zoning Changes Tracks the number of zone changes. Because zoning is a security provision, frequent zone changes might indicate a security breach or weakness. Zone change messages occur whenever there is a change in zone configurations. 1-6 Fabric Watch Administrator's Guide Publication Number: 53-1000243-01

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1-6
Fabric Watch Administrator’s Guide
Publication Number: 53-1000243-01
Fabric Watch Components
1
Fabric Class Areas
Table 1-3
lists Fabric Watch areas in the Fabric class and describes each area.
Table 1-3
Fabric Class Areas
Area
Description
Domain ID Changes
Monitors forced domain ID changes. Forced domain ID changes occur when
there is a conflict of domain IDs in a single fabric and the principal switch
has to assign another domain ID to a switch.
Fabric Logins
Occurs when ports and devices initialize with the fabric.
Fabric Reconfiguration
Tracks the number of reconfigurations of the fabric. Fabric reconfiguration
occurs when:
•
Two fabrics with the same domain ID are connected.
•
Two fabrics are joined.
•
An E_Port or VE_Port has gone offline.
•
A principal link has segmented from the fabric.
Loss of E_Port
Tracks the number of times that an E_Port or VE_Port goes down. E_Ports
and VE_Ports go down each time you remove a cable or an SFP (where there
are SFP failures or transient errors).
Segmentation Changes
Tracks the cumulative number of segmentation changes. Segmentation
changes occur due to:
•
Zone conflicts.
•
Incompatible link parameters. During E_Port and VE_Port initialization,
ports exchange link parameters, and incompatible parameters result in
segmentation. This is a rare event.
•
Domain conflicts.
•
Segmentation of the principal link between two switches.
SFP State Changes
Indicates whether the state of the SFP is normal or faulty, on or off. A faulty
or off state means that you must reinsert, turn on, or replace the SFP. Fabric
Watch monitors only the digital diagnostic SFP.
Note:
SFPs connected to GbE ports are not monitored.
Zoning Changes
Tracks the number of zone changes. Because zoning is a security provision,
frequent zone changes might indicate a security breach or weakness. Zone
change messages occur whenever there is a change in zone configurations.