[c-nsp] Nexus 7K NX-OS Upgrade

Thu Nov 8 10:18:46 EST 2012

I just have one SUP... You are talking about dual supervisors setup, right ?

Regards,

Antonio Soares, CCIE #18473 (R&S/SP)
amsoares at netcabo.pt
http://www.ccie18473.net

-----Original Message-----
From: Dirk Woellhaf [mailto:dirk.woellhaf at gmail.com] 
Sent: quinta-feira, 8 de Novembro de 2012 14:10
To: Antonio Soares
Cc: Charles Spurgeon; cisco-nsp
Subject: Re: [c-nsp] Nexus 7K NX-OS Upgrade

Hi Antonio,

You should be able to do the memory-upgrade without rebooting the box.
I've never done it on my I own but I know a few which did without any
problem. I believe they first upgraded the memory and then did the update!

Dirk

Sent from my iPhone

On 08.11.2012, at 13:42, Antonio Soares <amsoares at netcabo.pt> wrote:

> Thanks, I don't know if you noticed but somewhere in the thread the 
> bug was mentioned and it is resolved in 5.1.5 and later.
>
> Bug CSCtn61286 - Boot variables are not set up correctly on Sup-2 
> after ISSU
>
> So in my case, it should not give me problems (5.2.3a to 5.2.7).
>
> But since I also need to upgrade the SUP1 RAM from 4G to 8G, I have no 
> other option than doing the traditional upgrade. It's the only way to 
> just send the box down 1 time:
>
> - update the boot variables
> - power off and upgrade the RAM
> - power on
>
> The install all script has another limitation: it won't let us to 
> reboot when we chose to do it. This is what happened to me last time:
>
> +++++++++++++++++
> Switch will be reloaded for disruptive upgrade.
> Do you want to continue with the installation (y/n)?  y
>
> Install is in progress, please wait.
>
> (
.)
>
> A few minutes later:
>
> Finishing the upgrade, switch will reboot in 10 seconds.
> +++++++++++++++++
>
> I don't see how to upgrade the RAM and upgrade the NX-OS with the 
> install script in just one shot...
>
>
> Regards,
>
> Antonio Soares, CCIE #18473 (R&S/SP)
> amsoares at netcabo.pt
> http://www.ccie18473.net
>
>
> -----Original Message-----
> From: Charles Spurgeon [mailto:c.spurgeon at austin.utexas.edu]
> Sent: quinta-feira, 8 de Novembro de 2012 00:50
> To: Antonio Soares
> Cc: 'Tóth András'; 'cisco-nsp'
> Subject: Re: [c-nsp] Nexus 7K NX-OS Upgrade
>
> While doing some more testing this aft I also removed the sup from 
> slot 5 and did a "disruptive" single sup ISSU upgrade from 5.1(5) to
> 5.2(7) on the slot 6 sup without issues.
>
> -Charles
>
> On Tue, Nov 06, 2012 at 11:48:35PM +0000, Antonio Soares wrote:
>> Great, I must confess that I searched a lot and I didn't find this 
>> bug. So I suppose the install all script will work well this time. I 
>> will come back to the list next week with the good news. I hope :)
>>
>>
>> Thanks.
>>
>> Regards,
>>
>> Antonio Soares, CCIE #18473 (R&S/SP)
>> amsoares at netcabo.pt
>> http://www.ccie18473.net
>>
>>
>>
>> -----Original Message-----
>> From: Tóth András [mailto:diosbejgli at gmail.com]
>> Sent: terça-feira, 6 de Novembro de 2012 23:35
>> To: Antonio Soares
>> Cc: cisco-nsp
>> Subject: Re: [c-nsp] Nexus 7K NX-OS Upgrade
>>
>> Hi Antonio,
>>
>> In general, doing a traditional upgrade (changing boot variables) 
>> will not update the BIOS for example, while an ISSU does and it's 
>> non-disruptive with dual-supervisors.
>>
>> There's a defect which caused the behavior you were seeing, 
>> CSCtn61286 which affects 5.1(3). Since you were upgrading from that 
>> version, it was still impacting the upgrade process. It has been 
>> fixed in 5.1(4) and 5.2(1) already, so upgrading from 5.2(3a) to 
>> 5.2(7) will not have the
> same issue.
>>
>> http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?met
>> h
>> od=fet
>> chBugDetails&bugId=CSCtn61286
>>
>>
>> If the boot variables are incorrect, you can edit them as you'd do on 
>> an IOS device, make sure you update the kickstart and system as well.
>>
>> Upgrading from 5.2(3a) to 5.2(7) can be done using the install all
>> (ISSU) method.
>>
>> Best regards
>>
>> On Tue, Nov 6, 2012 at 11:38 AM, Antonio Soares <amsoares at netcabo.pt>
> wrote:
>>> Hello group,
>>>
>>>
>>>
>>> Anyone knows the difference between using the install all script or 
>>> just update the boot system flash command when upgrading NX-OS on a 
>>> Nexus
>> 7K ?
>>>
>>>
>>>
>>> The question applies to a single supervisor setup.
>>>
>>>
>>>
>>> The official documentation mentions the two ways of doing it:
>>>
>>>
>>>
>>> - using the install all script:
>>>
>>>
>>>
>>> http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/upg
>>> ra
>>> de/gui
>>> de/b_Cisco_Nexus_7000_Series_NX-OS_Software_Upgrade_and_Downgrade_Gu
>>> id
>>> e__Rel
>>> ease_5.x_chapter_00.html#con_314241
>>>
>>>
>>>
>>> - using the traditional procedure:
>>>
>>>
>>>
>>> http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/upg
>>> ra
>>> de/gui
>>> de/b_Cisco_Nexus_7000_Series_NX-OS_Software_Upgrade_and_Downgrade_Gu
>>> id
>>> e__Rel
>>> ease_5.x_chapter_00.html#task_39E26688E1204F8CAAE876450A575E73
>>>
>>>
>>>
>>> I had a bad experience in the past with the install all script. I 
>>> was doing an upgrade to a 7010 with only 1 supervisor that was 
>>> installed in
>> slot 6.
>>> The install all script has a problem, may a bug, it only correctly 
>>> updates the boot variables for slot 5:
>>>
>>>
>>>
>>> boot kickstart bootflash:/n7000-s1-kickstart.5.2.3a.bin sup-1
>>>
>>> boot system bootflash:/n7000-s1-dk9.5.2.3a.bin sup-1
>>>
>>> boot kickstart bootflash:/n7000-s1-kickstart.5.1.3.bin sup-2
>>>
>>>
>>>
>>> The install all script assumes that if there is only one supervisor, 
>>> it should be on slot 5. Above we can see that the boot system is 
>>> missing for sup-2.
>>>
>>>
>>>
>>> In summary, is there any problem if I simply update the boot 
>>> variables and reload ? May I end up with the supervisor running the 
>>> new NX-OS release and the modules the old NX-OS release ?
>>>
>>>
>>>
>>>
>>>
>>> Regards,
>>>
>>>
>>>
>>> Antonio Soares, CCIE #18473 (R&S/SP) amsoares at netcabo.pt
>>>
>>> http://www.ccie18473.net <http://www.ccie18473.net/>
>>>
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>>
>>
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