Replacing SDD FC Adapter

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Replacing SDD FC Adapter

  1. Identify the faulty adapter name:
    # lsdev -Cc adapter | grep fcs
  2. Identify the faulty adapter number in the SDD configuration:
    # datapath query adapter
  3. Set the adapter offline:
    # datapath set adapter <adapter number> offline
  4. Remove the adapter from the SDD configuration:
    # datapath remove adapter <adapter number>
  5. Remove the adapter from the ODM:
    # rmdev -Rdl /dev/fcs#
  6. Use the Hot Plug Manager in the Hot Plug Task menu of diag.
  7. Identify the new WWNN on the adapter and the LUNS:
    # lscfg -vpl fcs#
  8. Run config manager to rediscover the paths and LUNS:
    # cfgmgr -vl fcs#
  9. Add the paths to SDD:
    # addpaths
  10. Verify the LUNs have the same number of active paths:
    # datapath query device
    # datapath query adapter

Further Reading

  1. Replacing fibre channel card without server reboot
  2. IBM pSeries and AIX Information Center