[j-nsp] High failure rates for M7i/M10i hard disks?

[Javier Gallardo (DF/TEM)]

I think so that Juniper people who read this email chain, could take the point with manefacturing department to eliminate the problem with HDs at new routers.Also, cold be necessary public a technical bulleting with needed actions to find and replace suspected HDs or REs. What do yo think?.
Besides M40 failed router (with only three months in operation), we have another dozen of new M10i and another new M40!. 
//Javier

On Sat, 20 Aug 2005, info at beprojects.com wrote:

> Yep.  We bought two new M7i and the hard drive on one crashed a little
> over 2 months after we bought it.  Took the whole router down.  Needless
> to say we were a little angry that it died that early in it's life.
>

Interesting stuff. I am happy to say though, on a different note,
we have only two M40s that were probably one of the original first
1000 built running strong to this day. Same flash, I replaced the
hard drives before they ever got to the point of being "bad".

Would you still recommend anyone buying the m7i model at this point?

matt

>
> Javier Gallardo (DF/TEM) wrote:
> > Hi, we had similar problem but at M40 router. It was the same behavior after to the failure: the router does not switch to the backup RE and was recovered after to toggle power but booting from flash because the HD was not mounted.
> > Too, the RE was RMAed.
> >
> > Is it a endemic problem for new routers?.
> >
> > Regards.
> > //Javier
> >
> > -----Original Message-----
> > From: juniper-nsp-bounces at puck.nether.net
> > [mailto:juniper-nsp-bounces at puck.nether.net]On Behalf Of
> > sthaug at nethelp.no
> > Sent: Sábado, 20 de Agosto de 2005 02:39 a.m.
> > To: juniper-nsp at puck.nether.net
> > Subject: [j-nsp] High failure rates for M7i/M10i hard disks?
> >
> >
> > We have around 25 M7i/M10i in production, and we have had 3 hard disks
> > fail during the last year. The last instance was rather ridiculous - M7i
> > with failed hard disk, we RMAed the RE, it was swapped - and after one
> > week, the new hard disk failed also.
> >
> > When the hard disks have failed, they have failed in such a way that the
> > rest of the ruter ceases functioning. We *assume* this is because the
> > hard disk problem ties up the CPU so much (interrupts or otherwise) that
> > the RE cannot generate the necessary protocol keepalives - thus the
> > routing protocols go down. Pinging the router from a connected network
> > still works, but we're unable to login to the box. Powering the box off
> > and on again brings it up, running from from compact flash only (the
> > hard disk is not detected on boot).
> >
> > Has anybody else seen similar problems?
> >
> > Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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