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E-Series system New installation iSCSI port with Cisco SFP going down or disappears after configuration

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Applies to

  • E-Series
  • E2860

Issue

  • New E-Series system installation having iSCSI port with Cisco SFP goes down or disappears briefly after configuration. 

                                              E-Series system New installation iSCSI port with Cisco SFP going down or disappears after configurationEdit

Fig: We see the baseboard port 0a, 0b have disappeared. They re-appear for brief period after reseating cable/ SFP or reboot controller. 

  • During reboot of controller, we see in Event logs:
    • NOTE: This may not trigger from start
B:11/20/23, 4:10:42 AM (04:10:42) 2126 2864 Host-side SFP unsupported - Shelf Unknown, Bay 0 <--CRITICAL
B:11/20/23, 4:06:14 AM (04:06:14) 2122 2864 Host-side SFP unsupported - Shelf Unknown, Bay 0 <--CRITICAL
  • Under section Storage Array profile > Shelves:  We see the Cisco vendor SFP settings show Not Applicable as compared to other vendor SFP 
         SFP status:              Optimal                    
         Attached to:             Host-side of controller B  
         Location:                Host port 0a               
         Supported data rate(s):  10 Gbps                    
         Link length:             Not applicable         
         Connector:               LC                         
         Transmitter type:        Not applicable          
         Transmission media:      Not applicable          
         Vendor:                  CISCO-OPLINK      <--------- Unsupported SFP Vendor         
         Date of manufacture:     7/11/21                  
         SFP status:              Optimal                           
         Attached to:             Host-side of controller B         
         Location:                Host port 0f                      
         Supported data rate(s):  16 Gbps, 10 Gbps, 8 Gbps, 4 Gbps  
         Link length:             Short                             
         Connector:               LC                                
         Transmitter type:        Shortwave Laser w/o OFC           
         Transmission media:      TM Multi-mode 50m(M5)             
         Vendor:                  AVAGO                             
         Date of manufacture:     11/9/22

Note - Before controller reboot, the SFP unsupported event might not been seen  

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