My understanding of this issue is that if the memory is bad you will discover this when rebooting the line card. While it's possible that the last power cycle is the one that brought the card to naught, it's still wiser to test it rather than not test it at all.
Frank -----Original Message----- From: Andrew Miehs [mailto:[email protected]] Sent: Friday, October 31, 2014 11:15 PM To: Frank Bulk Cc: Painting, Stuart; <[email protected]> Subject: Re: [c-nsp] cisco memory bug / propabilities? 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.... :( Sent from a mobile device > On 1 Nov 2014, at 10:58, "Frank Bulk" <[email protected]> wrote: > > This is why I tested the replacement line card before I started the > maintenance window. =) > > Frank > > -----Original Message----- > From: cisco-nsp [mailto:[email protected]] On Behalf Of > Painting, Stuart > Sent: Friday, October 31, 2014 6:05 AM > To: '[email protected]' > 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:[email protected]] On Behalf Of Gert > Doering > Sent: 31 October 2014 09:47 > To: [email protected] > 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 [email protected] > fax: +49-89-35655025 [email protected] > > “To our Members we're the 4th Emergency Service " > This electronic message contains information from AA Corporation Limited or > from a member, or members, of its group of companies which may be privileged > or confidential. The information is intended to be for the use of the > individual(s) or entity named above. If you are not the intended recipient, > please delete this e-mail immediately. The contents of this e-mail must not > be disclosed or copied without the sender's consent. We cannot accept any > responsibility for viruses, so please scan all attachments. > No changes to Terms and Conditions of trade can be accepted through e-mail > communication. All changes to Terms and Conditions must be in writing > evidenced by a director of the company and in hard copy format. The > statements and opinions expressed in this message are those of the author and > do not necessarily reflect those of the company. The company does not take > any responsibility for the views of the author. ” > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
