Dell Brocade 5100 Brocade Fabric OS v7.4.0a Release Notes v2.0 - Page 44

Defects closed with Code Change in FOS 7.4.0a

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Defects closed with Code Change in FOS 7.4.0a Defect ID: DEFECT000547349 Technical Severity: Medium Product: FOS Probability: Low Technology: System Reported In Release: FOS7.4.0 Technology Area: CLI Symptom: Powering on a slot which had quarantined port doesn't result in the port getting moved to quarantined state, until an hafailover is done Condition: Powering on the slot which has quarantined port Workaround: Remove ports from quarantined list before slotpoweroff using "sddquarantine --clear " Defect ID: DEFECT000547765 Technical Severity: High Product: FOS Probability: Medium Technology: Traffic Management Reported In Release: FOS7.0.2 Technology Area: BB Credits Symptom: Link reset events encountered on internal back-end (BE) port trunks while there are no link errors or credits lost. Condition: Under conditions of heavy congestion that cause frames to be dropped at internal Back-End ports and Front-End E-ports at the same time. If multiple overlapping frame drops are detected, then a Link Reset may be observed on a link even though no credits were actually lost. This defect only affects 8G Platforms. Workaround: Disable Front-End E-ports credit recovery. Recovery: Remove the source of congestion that is causing frame drops. Defect ID: DEFECT000547921 Technical Severity: High Product: FOS Probability: Low Technology: Virtualization Reported In Release: FOS7.3.1 Technology Area: Access Gateway Symptom: In an AG fabric or NPIV environment, device is not found or HBA detects SCSI command timeout and fabric switch stops routing AG switch/NPIV device traffic. Condition: This may occur when fabric switch is configured for session based zoning and a device connected to AG switch or an NPIV device that is not in any zone database, is enabled. This causes all traffic going through the same fabric switch F-port to be disrupted. This issue only impacts 16G fabric switch running FOSv7.4.0, FOSv7.3.1 and FOSv7.2.1d Workaround: Use hard zoning on fabric switch, or add the device into zoning database first before bringing it online. Recovery: Upon hitting this issue, the user may bring up ANY zoned member on AG switch or NPIV,that is using the fabric switch F-Port, to recover. Defect ID: DEFECT000548463 Technical Severity: Medium Product: FOS Probability: Low Technology: Traffic Management Reported In Release: FOS7.1.1 Technology Area: Port Bring-up Symptom: Kernel panic encountered on a CP while taking over the Active Role, due to heartbeat loss, causing a cold recovery of the system. Condition: This may be encountered only when processing FDISC with duplicate PWWNs. Fabric OS 7.4.0a Release Notes v2.0 Page 44 of 53

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Defects closed with Code Change in FOS 7.4.0a
Fabric OS 7.4.0a Release Notes v2.0
Page 44 of 53
Defect ID:
Defect ID:
Defect ID:
Defect ID: DEFECT000547349
Technical Severity:
Technical Severity:
Technical Severity:
Technical Severity: Medium
Probability:
Probability:
Probability:
Probability: Low
Product:
Product:
Product:
Product: FOS
Technology:
Technology:
Technology:
Technology: System
Reported In Release:
Reported In Release:
Reported In Release:
Reported In Release: FOS7.4.0
Technology
Technology
Technology
Technology Area:
Area:
Area:
Area: CLI
Symptom:
Symptom:
Symptom:
Symptom: Powering on a slot which had quarantined port doesn't result in the port getting moved to
quarantined state, until an hafailover is done
Condition:
Condition:
Condition:
Condition: Powering on the slot which has quarantined port
Workaround:
Workaround:
Workaround:
Workaround: Remove ports from quarantined list before slotpoweroff using "sddquarantine --clear <slot/port>"
Defect ID:
Defect ID:
Defect ID:
Defect ID: DEFECT000547765
Technical Severity:
Technical Severity:
Technical Severity:
Technical Severity: High
Probability:
Probability:
Probability:
Probability: Medium
Product:
Product:
Product:
Product: FOS
Technology:
Technology:
Technology:
Technology: Traffic Management
Reported In Release:
Reported In Release:
Reported In Release:
Reported In Release: FOS7.0.2
Technology Area:
Technology Area:
Technology Area:
Technology Area: BB Credits
Symptom:
Symptom:
Symptom:
Symptom: Link reset events encountered on internal back-end (BE) port trunks while there are no link errors or
credits lost.
Condition:
Condition:
Condition:
Condition: Under conditions of heavy congestion that cause frames to be dropped at internal Back-End ports
and Front-End E-ports at the same time. If multiple overlapping frame drops are detected, then a Link Reset
may be observed on a link even though no credits were actually lost.
This defect only affects 8G Platforms.
Workaround:
Workaround:
Workaround:
Workaround: Disable Front-End E-ports credit recovery.
Recovery:
Recovery:
Recovery:
Recovery: Remove the source of congestion that is causing frame drops.
Defect ID:
Defect ID:
Defect ID:
Defect ID: DEFECT000547921
Technical Severity:
Technical Severity:
Technical Severity:
Technical Severity: High
Probability:
Probability:
Probability:
Probability: Low
Product:
Product:
Product:
Product: FOS
Technology:
Technology:
Technology:
Technology: Virtualization
Reported In Release:
Reported In Release:
Reported In Release:
Reported In Release: FOS7.3.1
Technology Area:
Technology Area:
Technology Area:
Technology Area: Access Gateway
Symptom:
Symptom:
Symptom:
Symptom: In an AG fabric or NPIV environment, device is not found or HBA detects SCSI command timeout and
fabric switch stops routing AG switch/NPIV device traffic.
Condition:
Condition:
Condition:
Condition: This may occur when fabric switch is configured for session based zoning and a device connected to
AG switch or an NPIV device that is not in any zone database, is enabled. This causes all traffic going through
the same fabric switch F-port to be disrupted. This issue only impacts 16G fabric switch running FOSv7.4.0,
FOSv7.3.1 and FOSv7.2.1d
Workaround:
Workaround:
Workaround:
Workaround: Use hard zoning on fabric switch, or add the device into zoning database first before bringing it
online.
Recovery:
Recovery:
Recovery:
Recovery: Upon hitting this issue, the user may bring up ANY zoned member on AG switch or NPIV,that is using
the fabric switch F-Port, to recover.
Defect ID:
Defect ID:
Defect ID:
Defect ID: DEFECT000548463
Technical Severity:
Technical Severity:
Technical Severity:
Technical Severity: Medium
Probability:
Probability:
Probability:
Probability: Low
Product:
Product:
Product:
Product: FOS
Technology:
Technology:
Technology:
Technology: Traffic Management
Reported In Release:
Reported In Release:
Reported In Release:
Reported In Release: FOS7.1.1
Technology Area:
Technology Area:
Technology Area:
Technology Area: Port Bring-up
Symptom:
Symptom:
Symptom:
Symptom: Kernel panic encountered on a CP while taking over the Active Role, due to heartbeat loss, causing
a cold recovery of the system.
Condition:
Condition:
Condition:
Condition: This may be encountered only when processing FDISC with duplicate PWWNs.