[c-nsp] cisco memory bug / propabilities?

[Andrew Miehs]

You do know that testing one of the line cards with this issue doesnt really help, as you may have just used up its last restart.... :(

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> On 1 Nov 2014, at 10:58, "Frank Bulk" <frnkblk at iname.com> wrote:
> 
> This is why I tested the replacement line card before I started the maintenance window. =)
> 
> Frank
> 
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Painting, Stuart
> Sent: Friday, October 31, 2014 6:05 AM
> To: 'cisco-nsp at puck.nether.net'
> Subject: Re: [c-nsp] cisco memory bug / propabilities?
> 
> We only have a modest number of Cat6500 switches, so these results may
> not be statistically significant.
> 
> Of the 8 Cat6500 switches we have powered off/on in the past 12 months
> (each fitted with multiple "high-risk" cards) one switch suffered a
> failure of one card.
> 
> Only one failure but it was a doozy: not only did the line card fail, but
> so did the replacement line card...
> 
> 
> 
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Gert Doering
> Sent: 31 October 2014 09:47
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] cisco memory bug / propabilities?
> 
> Hi,
> 
> there's the infamous cisco memory bug "reboot and see your boxes die" - with
> the recent IOS software fixes, I have a couple of 6500s that need a reboot
> now, and I'm a bit scared - read: do I plan for "I reboot as usual, and
> there is a remote chance that hardware will not come back, so ensure 
> a longer-than-planned outage is acceptable", or "I really should have a 
> full set of spare boards sitting beside the to-be-rebooted box, because 
> 90% of all boards will die"...?
> 
> What are *your* experiences with dieing cisco memory, in particular on 6500s?
> 
> I've heard horror storries from ASA owners, but not very much from 6500 
> owners yet...  (and that's not because "nobody but me is using them 
> anymore").
> 
> The advisory
> 
>  http://www.cisco.com/web/about/doing_business/memory.html#~impacted
> 
> is not very specific...
> 
> gert
> -- 
> USENET is *not* the non-clickable part of WWW!
>                                                           //www.muc.de/~gert/
> Gert Doering - Munich, Germany                             gert at greenie.muc.de
> fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
> 
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