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Asset ID: 1-71-1530753.1
Update Date:2018-03-29
Keywords:
Solution Type  Technical Instruction Sure

Solution  1530753.1 :   Sun Storage 7000 Unified Storage System: Recovery procedure for mismatched Infiniband (ibp) network device names  

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  • Sun ZFS Storage 7420
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  • Sun Storage 7410 Unified Storage System
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  • Sun Storage 7310 Unified Storage System
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  • Sun ZFS Storage 7320
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Related Categories 
    

  • PLA-Support>Sun Systems>DISK>ZFS Storage>SN-DK: 7xxx NAS
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In this Document


Goal


Solution


References

Oracle Confidential PARTNER - Available to partners (SUN).

Reason: The action plan requires invasive shell level commands to be run.     

Created from <SR 3-6201724801>


Applies to:  

Sun ZFS Storage 7420 - Version All Versions and later
Sun Storage 7410 Unified Storage System - Version All Versions and later
Sun Storage 7310 Unified Storage System - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
7000 Appliance OS (Fishworks)



Goal


Describe the procedure to achieve the rebuilding of the path_to_inst file so that both heads of a cluster enumerate the ibp devices identically


 


In this case I am choosing head2 to reconfigure the path_to_inst  as the path_to_inst on Head1 is shown in the correct order:


Head1 path_to_inst:


"/pci@0,0/pci8086,340c@5/pci15b3,673c@0/ibport@1,0,ipib" 0 "ibp"
"/pci@0,0/pci8086,340c@5/pci15b3,673c@0/ibport@2,0,ipib" 1 "ibp"
"/pci@0,0/pci8086,340e@7/pci15b3,673c@0/ibport@1,0,ipib" 2 "ibp"
"/pci@0,0/pci8086,340e@7/pci15b3,673c@0/ibport@2,0,ipib" 3 "ibp"
"/pci@1,0/pci8086,340c@5/pci15b3,673c@0/ibport@1,0,ipib" 4 "ibp"
"/pci@1,0/pci8086,340c@5/pci15b3,673c@0/ibport@2,0,ipib" 5 "ibp"


 


Compared with head2:


Head2 path_to_inst:


"/pci@0,0/pci8086,340c@5/pci15b3,673c@0/ibport@1,0,ipib" 2 "ibp"
"/pci@0,0/pci8086,340c@5/pci15b3,673c@0/ibport@2,0,ipib" 3 "ibp"
"/pci@0,0/pci8086,340e@7/pci15b3,673c@0/ibport@1,0,ipib" 4 "ibp"
"/pci@0,0/pci8086,340e@7/pci15b3,673c@0/ibport@2,0,ipib" 5 "ibp"
"/pci@1,0/pci8086,340c@5/pci15b3,673c@0/ibport@1,0,ipib" 0 "ibp"
"/pci@1,0/pci8086,340c@5/pci15b3,673c@0/ibport@2,0,ipib" 1 "ibp


 


 


Solution


Please use the resolution procedure given in the following document:

    1560329.1 - Sun Storage 7000 Unified Storage System: Device Enumeration Mismatch when inserting Additional Network Cards in a Cluster


Note:  Partners will need to open an Service Request if they cannot access KM 1560329.1 for Oracle TSC Support to assist.


 


CAUTION :


If there is more than one IB fabric, running the solution may cause the IB network configuration to become incorrect.
If more that one fabric is involved, it is recommended to create a collaboration with the IB team to help map out all the IB ports before and after the re-enumeration is done.
You will then have the proper data to reconfigure your IB network configuration.


 


References
 <BUG:17194712> - NEED RCA AND FIX/WORKAROUND TOCORRECT PATH_TO_INST ISSUE
 <BUG:16201968> - PATH_TO_INST PROBLEMS WITH ZFSSAS
<NOTE:1560329.1> - Sun Storage 7000 Unified Storage System: Device Enumeration Mismatch when inserting Additional Network Cards in a Cluster



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