Replacing SDD FC Adapter

Replacing SDD FC Adapter

1. Identify the faulty adapter name:
   1. # lsdev -Cc adapter | grep fcs
2. Identify the faulty adapter number in the SDD configuration:
   1. # datapath query adapter
3. Set the adapter offline:
   1. # datapath set adapter 1 offline
4. Remove the adapter from the SDD configuration:
   1. # datapath remove adapter <adapter number>
5. Remove the adapter from the ODM:
   1. # 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:
   1. # lscfg -vpl fcs#
8. Run config manager to rediscover the paths and LUNS:
   1. # cfgmgr -vl fcs#
9. Add the paths to SDD:
   1. # addpaths
10. Verify the LUNs have the same number of active paths:
    1. # datapath query device
    2. # datapath query adapter

Further Reading

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