HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Fabric Watch Administrator - Page 15
Fabric class areas, FRU class areas
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Fabric class areas Table 4 lists Fabric Watch areas in the Fabric class and describes each area. Table 4 Fabric class sreas Area Description Domain ID Changes Fabric Logins Fabric Reconfiguration Loss of E_Port Segmentation Changes SFP State Changes Zoning Changes Monitors forcible domain ID changes. Forcible 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. Occurs when ports and devices initialize with the fabric. 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 has gone offline. • A principal link has segmented from the fabric. Tracks the number of times that an E_Port goes down. E_Ports go down each time you remove a cable or an SFP (where there are SFP failures or transient errors). Tracks the cumulative number of segmentation changes. Segmentation changes occur due to: • Zone conflicts. • Incompatible link parameters. During E_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. 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 Digital Diagnostic SFP. 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. FRU class areas Table 5 lists Fabric Watch areas in the FRU class and describes each area. Possible states for all FRU-class areas are absent, faulty, inserted, on, off, ready, and up. Table 5 FRU class areas Area Slot Power Supply Fan WWN Indicates State of a slot has changed. State of a power supply has changed. State of a fan has changed. State of a WWN card has changed. Supported FRU areas depend on your particular HP switch model. The Slot and WWN areas are not supported for the following switches: Fabric OS 5.x Fabric Watch administrator guide 15
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