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DegradedOnlinePort_Alert warning observed on the storage

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Applies to

  • Fabric Attached Storage (FAS) systems
  • All Flash FAS (AFF) systems
  • ONTAP 9
  • disk shelf

Issue

SAS host adapter shows a PHY with status disabled:

	slot 2: SAS Host Adapter 2b (PMC-Sierra PM8072 rev. C, SAS, <UP>)
		Firmware rev:       03.08.09.00
		Base WWN:           xxxxxxxxxxxxxxx
		Phy State:          [8] Enabled, 6.0 Gb/s
		                    [9] Enabled, 6.0 Gb/s
		                    [10] Enabled, 6.0 Gb/s
		                    [11] Disabled
		QSFP Vendor:        Molex Inc.      
		QSFP Part Number:   112-00242+B0    
		QSFP Type:          Active Copper (near and far end limiting active equalizers) 10m ID:01
		QSFP Serial Number: xxxxxxxxxxxxxxx
 
Messages similar to the below may be reported by the storage:
System Notification (Health Monitor process nchm: DegradedOnlinePort_Alert[2b]) ALERT

 

 

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