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[vios] Replace the Physical Adapter of the SEA.

Posted on 2018년 1월 22일2018년 3월 16일 by JH Y
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Replace the Physical Adapter of the SEA.

Technote (FAQ)

 
 

Question

How can I replace the physical adapter of my SEA?

Cause

Customer needs to replace a physical ethernet adapter of the SEA..

Answer

Customer wants to replace the NIC with a different F/C but they use the same driver.

NOTE: This may not work if the replacement NIC uses a different device driver. You may need to remove the SEA and recreate it with the new NIC and new device driver.

1. Determine which ethernet device is the SEA:

  • a. $ lsdev -type adapter
    ent8 Available Shared Ethernet Adapter

2. Make sure the SEA is in BACKUP state:

  • $ oem_setup_env
    # entstat -d ent8 |grep State —> must be in BACKUP
    If State is PRIMARY, you must force failover to BACKUP state:

     
     

    • a. # chdev -l ent8 -a ha_mode=standby
       

3. Determine which is the physical adapter of the SEA:

  • a. # entstat -d ent8 |grep -i Real

     
     

    • Real Side Statistics:
      Real Adapter: ent0
       

4. Determine the physical location code of the ethernet adapter:

  • a. # lscfg -vl ent0

     
     

    • ent0 U787B.001.DNW3CA2-P1-C1-T1 10/100/1000 Mbps Ethernet PCI-X Adapter II (1410ff01)

    b. C1 = slot 1

5. Determine which interface has IP address configured:

  • a. # netstat -in

     
     

    • Customer has IP address on SEA interface en8.
      If no IP addresses are assigned to the SEA interface en8, skip steps 7 and 8.
       

6. Determine if SEA interface is using the default gateway:

  • a. # netstat -rn.

7. If IP address is assigned to the SEA interface, bring the interface down:

  • a. # ifconfig en8 down detach
     

8. Temporarily put the interface in a defined state:

  • a. # rmdev -l en8

9. Temporarily put the SEA device in a defined state:

  • a. # rmdev -l ent8 —> SEA defined
     

10. Remove the physical ethernet adapter of the SEA;

  • a. # rmdev -dl ent0 —> real adapter for ent8
     

11. Use hot plug manager to replace the adapter.

12. Run configuration manager:

  • a. # cfgmgr

13. Check that the new physical adapter and the SEA adapter are available:

  • # lsdev -Cc adapter |grep ent

14. Check that the en interface is available:

  • a. # ifconfig -a
    If not available;
    b. # mkdev -l en8 (or ifconfig en8 up)

15. Check that default gateway is assigned to the previously assigned interface (step 5):

  • a. # netstat -rn
    b. If no default gateway:

     
     

    • 1. # mkdev -l inet0

16. Check that en8 (or interface in step 5) can ping default gateway:

  • a. # ping <IP of default gateway>

17. Failover back to PRIMARY:

  • a. # chdev -l ent8 -a ha_mode=auto

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관련

AIX POWER replace sea adpater
Aix Power system

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