[j-nsp] WARNING: THIS DEVICE HAS BOOTED FROM THE BACKUP JUNOS IMAGE

[Masood Ahmad Shah]

Perhaps the file system became corrupted, most likely due to a sudden power
loss, or ungraceful shutdown. I would not worry, as long as both of the
partitions are healthy, then no issue with running switch on either of
them.

Just make sure that both of the partitions are healthy, so that fail over
can be done when needed. The following URL will point you how to recover
from this sort of condition. Just start from "Step-by-step recovery
procedure for this situation:" http://goo.gl/BoUUlA

Cheers,
Masood

On Fri, Mar 21, 2014 at 5:23 PM, Victor Sudakov <vas at mpeks.tomsk.su> wrote:

> Colleagues,
>
> What could be the reason that an EX4200-24T occasionally boots from the
> secondary copy?
>
> If I "request system reboot slice alternate media internal", it will
> boot from the Active Partition all right. This means the Active
> Partition is operational, isn't it?
>
> But sometimes, one day, the switch will eventually boot from the
> Backup Partition again.
>
> What gives?
>
> TIA for any ideas.
>
> --
> Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
> sip:sudakov at sibptus.tomsk.ru
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