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Second SAS connection down after adding drive shelf on EF300

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Applies to

  • NetApp E-Series
  • EF300
  • DE224C drive shelf

Issue

  • After connecting a new drive shelf, the second SAS connection is down on both controllers.

      Drive interface:        SAS                                 
         Channel:             3                                   
         Part type:           LSISAS3616    revision 402,653,184  
            Status:           Up                                  
         Maximum data rate:   12 Gbps                             
         Current data rate:   12 Gbps                             

      Drive interface:        SAS                                 
         Channel:             4                                   
         Part type:           LSISAS3616    revision 402,653,184  
            Status:           Down                                
         Maximum data rate:   12 Gbps                             
         Current data rate:   Not available              

  • IOMB shows 'Optimal' status but does not display firmware or speed details.
             IOM status:                      Optimal           
             Firmware Version:                0202              
             Configuration settings version:  Not Applicable    
             Maximum data rate:               12 Gbps           
             Current data rate:               12 Gbps           
             Location:                        A                 
             Card communication:              OK                
             Trunking supported:              No                
             Product ID:                      DE224C            
             Board ID:                        Ermine            

             IOM status:                      Optimal          
             Firmware Version:                Not Available    
             Configuration settings version:  Not Applicable   
             Maximum data rate:               Not Available    
             Current data rate:               Not Available    
             Location:                        B                
             Card communication:              OK               
             Trunking supported:              No               
             Product ID:                      Not Available    
             Board ID:                        Not Available    

  • Recovery Guru errors observed:

Failure Entry 1: LOSS_OF_EXTERNAL_REDUNDANCY-Recovery Failure Type Code: 449
Storage array: Fujitsu_Storage
Controller in bay A
Channel ID: 4
Controller in bay B
Channel ID: 4

Failure Entry 2: LOST_REDUNDANCY_TRAY-Recovery Failure Type Code: 33
Storage array: Fujitsu_Storage
Shelf: Drive shelf 11
Working channel: 3

OR

Failure Entry 1: DRIVE_TRAY_LOSS_OF_EXTERNAL_REDUNDANCY-Recovery Failure Type Code: 449
Storage array: Fujitsu_Storage
Controller in bay A
Channel ID: 4
Controller in bay B
Channel ID: 4

Failure Entry 2: NO_REDUNDANCY_TRAY-Recovery Failure Type Code: 33
Storage array: Fujitsu_Storage
Shelf: Drive shelf 11
Working channel: 3

  • New Drive Shelf path redundancy is lost; only one path is active.

         Shelf path redundancy:  Lost             
         Current drive types:    SAS              
         Product ID:             DE224C           
         Part number:            CA08733-3142     

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