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

[Alexander Lim]

Hi Charles,

I thought redundant sup is required for ISSU?

Regards,
Alexander Lim

On 8 Nov, 2012, at 8:50 AM, Charles Spurgeon <c.spurgeon at austin.utexas.edu> wrote:

> 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?method=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/upgra
>>> de/gui 
>>> de/b_Cisco_Nexus_7000_Series_NX-OS_Software_Upgrade_and_Downgrade_Guid
>>> 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/upgra
>>> de/gui 
>>> de/b_Cisco_Nexus_7000_Series_NX-OS_Software_Upgrade_and_Downgrade_Guid
>>> 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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