On 10/5/12, Michael Loftis <[email protected]> wrote: > -------------------- > > Sent from my Motorola Xoom > On Oct 4, 2012 11:42 AM, "Elle Plato" <[email protected]> wrote: >> >> On Thu, Oct 4, 2012 at 11:25 AM, prd::S <[email protected]> wrote: >> > Hi, All. >> > >> > A power outage occured when I was flashing the u-boot image on an >> > SRX210 via tftp. >> > Then there's no output on the serial console even after several resets. >> > I suspect that the primary u-boot image might be corrupted. >> > >> > The questions are: >> > Does SRX210 has a backup u-boot image? >> > If so, how to boot from that image? >> > >> >> SRX-210 devices should be configured for dual boot partition by >> default. When you login after the primary >> is corrupted the login banner should warn you that the device booted >> from the alternate image, >> something like: WARNING: THIS DEVICE HAS BOOTED FROM THE BACKUP JUNOS > IMAGE >> and "show system alarms" should provide an alarm indicating the same > thing. >> > > UBoot is the BIOS more or less. None of this helps him since it effectively > doesn't have a working BIOS to get that far. > > I would ping JTAC - pretty sure the unit has a backup uboot image it can > fall back to but not having one I have no idea how to get at it myself. > Usually there's a jumper or a button one can hit to get the CPU to address > an alternate startup location. >
Thanks all for your tips. Actually there is a set of jumpers(5*2 pins) onboard called J10. However I couldn't figure out which combination to fall back to the backup u-boot image. Finally I got it RMAed. _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

