Nexus 7k: Replacing one of two n7k-sup1's during system operations

Answered Question
Oct 13th, 2011

If I replace one of two n7k-sup1's and the new sup has a different nx-os version. Will the active sup automatically upgrade the new sup or does the new sup need to have the same nx-os version as the active sup?

I have this problem too.
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Correct Answer by Reza Sharifi about 2 years 6 months ago

Hi,

That is correct.  You need to manually copy the image from one sup to the other.  The image does not sync authomaticaly from one sup to the other.

HTH

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Reza Sharifi Thu, 10/13/2011 - 12:04

The new Sup needs to have the same NX-OS version as the active Sup.  Only the states and configs are synchronized

HTH

adouthit66 Thu, 10/13/2011 - 12:14

Hello Reza,

Thanks for responding. According to the following Cisco documentation you can replace a standby supervisor module and copy the nx-os from the active supervisor module to the standby supervisor module.

http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/high_availability/configuration/guide/ha_system.html#wp1081756


Replacing the Standby Supervisor Module in a Dual Supervisor System

You can nondisruptively replace standby supervisor module in a dual supervisor system.

To replace the standby supervisor module, follow these steps:

Step 1 Power down the standby supervisor module.

switch# out-of-service module 6


Step 2 Replace the supervisor module. For information on replacing a supervisor module, see the Cisco Nexus 7000 Series Hardware Installation and Reference Guide.

Note The replacement supervisor module should boot from the active supervisor module after six minutes. Use the reload module slot-number force command to force the boot.

Step 3 Copy the kickstart image from the active supervisor module to the standby supervisor module.

switch# copy bootflash:n7000-s1-kickstart.4.1.2.bin 
bootflash://sup-remote/n7000-s1-kickstart.4.1.2.bin


Step 4 Copy the system image from the active supervisor module to the standby supervisor module.

switch# copy bootflash:n7000-s1-dk9.4.1.2.bin 
bootflash://sup-remote/n7000-s1-dk9.4.1.2.bin


Step 5 Configure the standby supervisor boot variables.

switch# config t

switch# boot kickstart bootflash://sup-remote/n7000-s1-kickstart.4.1.2.bin

switch# boot system bootflash://sup-remote/n7000-s1-dk9.4.1.2.bin 


Step 6 Save these changes to the startup configuration.

switch# copy running-config startup-config

Correct Answer
Reza Sharifi Thu, 10/13/2011 - 12:19

Hi,

That is correct.  You need to manually copy the image from one sup to the other.  The image does not sync authomaticaly from one sup to the other.

HTH

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Posted October 13, 2011 at 6:46 AM
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