[j-nsp] Backup u-boot image on SRX210?

[Morgan McLean]

I don't think hes able to get to the console, so commands are useless. Am I
correct?

Call tech support if your phone isn't working!

Morgan

On Thu, Oct 4, 2012 at 11:40 AM, Elle Plato <techgrrl at gmail.com> wrote:

> On Thu, Oct 4, 2012 at 11:25 AM, prd::S <prd.stee at gmail.com> 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.
>
> I cannot remember how to tell if you have a dual boot partition, I
> suspect you can look in /dev
> for two partitions.  You can backup the running image to the failed
> primary with system snapshot:
>
> device> request system snapshot slice alternate
>
> Formatting alternate root (/dev/da0s1a)...
> Copying '/dev/da0s2a' to '/dev/da0s1a' .. (this may take a few minutes)
> The following filesystems were archived: /
>
> If you are missing autorecovery information, there will be an alarm
> saying so, do this:
> request system autorecovery state save
> request system configuration rescue save
>
> And then "request system reboot" to boot from the restored primary.
>
> All this should be good google foo to look for a more detailed explanation.
>
> HTH,
>
> Elle Plato
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