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Change primary subnet

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Change IP Addresses

EMC CONFIDENTIAL

# mount /nas/dos

# export NAS_DB=/nas

27. Enter the following command to failback the Control LUNs from SP B to SP A:

# /nas/bin/nas_storage –failback <array_name>

Note: Use the /nas/bin/nas_storage -list command to determine the VNX storage array

name.

28. Enter the following command to configure the slot:

# /nas/sbin/setup_slot -i 2

Note: During this command, if you receive the following error, ignore it. This error is

expected:

Error 5005: failed to complete command message, ignore it.

If you have a dual blade system, configure the second slot, by typing:

# /nas/sbin/setup_slot -i 3

29. Enter the following command to start the NAS service:

# /sbin/service nas start

Note: This may take a few minutes to complete. Ensure it is finished before you continue.

30. Perform the following to confirm NAS services has started:

# /nasmcd/sbin/getreason -e

Example output:

# /nasmcd/sbin/getreason -e

10 - slot_0 primary control station

5 - slot_2 contacted (Post Code = 0x61 ; Mid Code = 0x80 ; Blade

Code = 0x2c)

5 - slot_3 contacted (Post Code = 0x61 ; Mid Code = 0x80 ; Blade

Code = 0x2c

31. If the system output includes reason code 10 (see system output from step 30 ),

run this command:

# ls /nasmcd/.nas_service_status

Example output (services not yet started):

# ls /nasmcd/.nas_service_status

/nasmcd/.nas_service_status

Example output (services started):

# ls /nasmcd/.nas_service_status

ls: /nasmcd/.nas_service_status: No such file or directory

If the file exists, NAS services have started.

32. Check the VG2/VG8 system status by using the nas_checkup command:

# /nas/bin/nas_checkup

EMC VNX VG2 User Manual

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