Example: Taking A Snapshot Of The Software And Configuration - Juniper ACX1000 Configuration Manual

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Example: Taking a Snapshot of the Software and Configuration

Requirements
Overview
Copyright © 2017, Juniper Networks, Inc.
NOTE: Before you attempt to take a snapshot from the USB storage device,
ensure that the USB storage device contains an image of Junos OS from
which the router can boot up.
Example: Taking a Snapshot of the Software and Configuration on page 65
request system snapshot (ACX Series) on page 1807
This example includes six scenarios in which you can take a snapshot of the currently
running software and configuration on an ACX Series router, prior to the upgrade of an
image or to remedy a bad image, thereby preventing the bad image from rendering the
system useless.
Requirements on page 65
Overview on page 65
Taking a Snapshot on page 66
This example uses the following hardware and software components:
One ACX Series router
Junos OS Release 12.2 or later
In this example, the request system snapshot
currently running software and configuration on another media—for example, a universal
serial bus (USB) storage device, the active slice (
router, or the alternate slice (
to another media ensures that the device can boot from the other media in case the
system does not boot up from the current image.
CAUTION: After you run the
return to the previous version of the software, because the running and backup
copies of the software are identical.
Chapter 2: Installing and Upgrading Junos OS
command is used to take a copy of the
or
da0s1
da0s1 or da0s2 ) of a dual-root partitioned router. A snapshot
request system snapshot
) of a dual-root partitioned
da0s2
command, you cannot
65