Unable perform snapshot of an EX4600/QFX5100

How to perform a snapshot on a EX4600/QFX5100 switch.

EX4600/QFX5100 doesn’t have support for “request system snapshot local media”

This is output shows the media/usb is missing while perform the snapshot.

{master:0}
root@switch> show system snapshot
fpc0:
--------------------------------------------------------------------------
error: usb media missing or invalid
 
fpc1:
--------------------------------------------------------------------------
error: usb media missing or invalid
 
{master:0}
root@switch>
 
{master:0}
root@switch> show version
fpc0:
--------------------------------------------------------------------------
Hostname: switch
Model: ex4600-40f
Junos: 14.1X53-D30.3
JUNOS Base OS Software Suite [14.1X53-D30.3]
JUNOS Base OS boot [14.1X53-D30.3]
JUNOS Crypto Software Suite [14.1X53-D30.3]
JUNOS Online Documentation [14.1X53-D30.3]
JUNOS Kernel Software Suite [14.1X53-D30.3]
JUNOS Packet Forwarding Engine Support (qfx-ex-x86-32) [14.1X53-D30.3]
JUNOS Routing Software Suite [14.1X53-D30.3]
JUNOS SDN Software Suite [14.1X53-D30.3]
JUNOS Enterprise Software Suite [14.1X53-D30.3]
JUNOS Web Management Platform Package [14.1X53-D30.3]
JUNOS py-base-i386 [14.1X53-D30.3]
JUNOS Host Software [13.2I20141029_1852_vsdk_build_49]
 
{master:0}
root@switch> start shell
root@switch:RE:0% pkg_admin -l
 
Junos package revision information in primary slice (ad0s1)
Junos revision:  qfx-
Build ID string: qfx-ex-x86-32-14.1X53-D30.3
SVN revision:    r738356
SVN branch:      JUNOS_141_X53_D30_BRANCH
Install date:    Oct 2 15:00:46 2015
Package revisions:
        jbase: dc-re-14.1X53-D30.3
        jcrypto: dc-re-14.1X53-D30.3
        jdocs: dc-re-14.1X53-D30.3
        jkernel: qfx-ex-x86-32-14.1X53-D30.3
        jpfe: qfx-ex-x86-32-14.1X53-D30.3
        jroute: qfx-ex-x86-32-14.1X53-D30.3
        jswitch: qfx-ex-x86-32-14.1X53-D30.3

Junos package revision information in alternate slice (ad3s1) jbase not installed correctly in alternate slice

Use an external media (USB) to perform snapshot

Use ” request system snapshot ” command to create an snapshot of the partition, this can be done only when a media/usb is inserted to the switch itself.

http://www.juniper.net/documentation/en_US/junos14.1/topics/reference/command-summary/request-system-snapshot-qfx-series.html

root@switch> request system snapshot
fpc0:
--------------------------------------------------------------------------
Starting snapshot to usb (/dev/da0)
Creating snapshot on the host ..
Copying bootable disk image from host ..
Writing to usb (/dev/da0) ..
Copying 'Host OS' to '/dev/da0s1' .. (this may take a few minutes)
Copying 'JUNOS' to '/dev/da0s1' .. (this may take a few minutes)
The following filesystems were archived: / /config Host-OS
 
root@switch> show system snapshot 
fpc0:
--------------------------------------------------------------------------
Valid Junos snapshot found
Information for snapshot on       usb (/dev/da0s1)
Creation date: Oct 29 20:42:54 2013
JUNOS version on snapshot:
  JUNOS  : 13.2-20131028_x_132_x51_exdc.0

How to perform a snapshot on a EX4600/QFX5100 switch.

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