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

[Matt Yaklin]

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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