Service manual

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McDATA Sphereon 4400 Fabric Switch Installation and Service Manual
Repair Information
• Data - Any extra or event specific data.
Open Trunking
Re-Route Log
The Open Trunking Re-Route Log records interswitch link (ISL)
congestion events that cause Fibre Channel traffic to be routed
through an alternate ISL. Entries reflect the traffic re-route status at
the managed product. The log describes:
• Date/Time - Date and time the re-route occurred.
• Receive Port - Target port number (decimal) receiving Fibre
Channel traffic after the re-route.
• Target Domain - Target device domain ID (decimal) receiving
Fibre Channel traffic after the re-route.
• Old Exit Port - Port number (decimal) transmitting Fibre Channel
traffic before the re-route.
• New Exit Port - Port number (decimal) transmitting Fibre
Channel traffic after the re-route.
Fabric Log The Fabric Log records the time and nature of changes made to a
multiswitch fabric. The information is useful for isolating zoning or
fabric-wide problems. The log describes:
• Count - Cumulative count of log entries (wrapping or
non-wrapping).
• Date/Time - Date and time the change occurred.
• Description - Description of the zoning or fabric change.
• Data - Supplementary information (if available) in text format.
NOTE: Identical entries are recorded in the wrapping and non-wrapping
logs. When the non-wrapping log fills, old records are overwritten. The
wrapping log preserves all records.
Embedded Port Frame
Log
The Embedded Port Frame Log records all Fibre Channel frames
transmitted through the product’s embedded port, including Class F
traffic, fabric logins, state change notifications, and exception frames.
The information is useful for Fibre Channel frame debugging
(usually performed by second-level support. The log describes:
• Count - Cumulative count of log entries (wrapping or
non-wrapping).
• Date/Time - Date and time frame was transmitted through the
embedded port.