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

[Antonio Soares]

Just for future reference if someone runs into the same issues:

The hw revision of the M132XP that had no problems: 1.7
The hw revision of the M132XP that failed: 1.5
The hw revision of the spare card that had no problems: 2.3


Regards,

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


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Antonio Soares
Sent: sábado, 17 de Novembro de 2012 21:24
To: 'Colin Whittaker'; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Nexus 7K NX-OS Upgrade

Unbelievable, this is a 70k card, isn't it ?


Regards,

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



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Colin Whittaker
Sent: sábado, 17 de Novembro de 2012 18:22
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Nexus 7K NX-OS Upgrade

On Sat, Nov 17, 2012 at 05:28:48PM -0000, Antonio Soares wrote:
> Another long night... The upgrade of one Nexus was completely clean, 
> the second one was a nightmare. One M1-32XP card remained in the state 
> "powered-up" forever... The reload didn't make it work, neither the 
> re-seat or even the NX-OS downgrade... Had to open a P1 TAC case and 
> then the engineer said it was a faulty card. Got the replacement but 
> had to delay the installation 48 hours.
> 
> Anyone has have bad experiences with this M1 type of cards card lately ?
> It's the second one that gets faulty in less than a year. It seems the 
> MTBF is inversely proportional to the price :(

Upgrade cycles tend to flush out latent faults in the linecards.
When doing upgrades it is best to have spare cards on hand to handle those
that fail.

The failure rate on the M1 cards has gotten a lot better over the last two
years. Gone are the days of 20% of the cards being DOA.

Colin

-- 
Colin Whittaker					+353 (0)86 8211 965
http://colin.netech.ie			            colin at netech.ie
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