Replacing SDD FC Adapter

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