Juniper ACX2000 Configuration Guide

Step-by-Step
Procedure
To install Junos OS Release 12.2 or later and configure a dual-root partition:
Upgrade the ACX Series router to Junos OS Release 12.2 or later using the CLI. See
“Upgrading Software Packages” on page 57.
1.
2. Install Junos OS Release 12.2 or later and configure the dual-root partition.
user@host>request system software add junos-juniper-12.2R1.9-domestic.tgz
no-copy no-validate reboot
Copying package junos-juniper-12.2R1.9-domestic.tgz to var/tmp/install
Rebooting ...
Results In operational mode, confirm your configuration by entering the show system storage
command. If the output does not display the intended configuration, repeat the
configuration instructions in this example to correct it.
Sample output on a system with dual-root partitioning that displays information about
the root partition that is mounted (only one root partition is mounted at a point in time):
user@host> show system storage
Filesystem Size Used Avail Capacity Mounted on
/dev/da0s1a 872M 150M 713M 17% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/md0 41M 41M 0B 100% /packages/mnt/jbase
/dev/md1 183M 183M 0B 100%
/packages/mnt/jkernel-ppc-12.2I20121026_1217_sranjan
/dev/md2 30M 30M 0B 100%
/packages/mnt/jpfe-ACX-12.2I20121026_1217_sranjan
/dev/md3 9.1M 9.1M 0B 100%
/packages/mnt/jdocs-12.2I20121026_1217_sranjan
/dev/md4 55M 55M 0B 100%
/packages/mnt/jroute-ppc-12.2I20121026_1217_sranjan
/dev/md5 12M 12M 0B 100%
/packages/mnt/jcrypto-ppc-12.2I20121026_1217_sranjan
/dev/md6 1.0G 8.0K 951M 0% /tmp
/dev/md7 1.0G 448K 950M 0% /mfs
/dev/da0s1e 92M 18K 91M 0% /config
procfs 4.0K 4.0K 0B 100% /proc
/dev/da0s3f 3.9G 3.6G 30M 99% /var
/dev/da0s3d 447M 2.8M 409M 1% /var/log
If you are done configuring the device, enter commit in configuration mode.
You can issue the fdisk command from the Junos prompt to display information about
the entire partition format on the NAND Flash device. All ACX Series routers run with
dual-root partitioning. The following example displays the partition details on an ACX
Series router with dual-root partitions:
user@host% fdisk
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=487 heads=255 sectors/track=63 (16065 blks/cyl)
55Copyright © 2017, Juniper Networks, Inc.
Chapter 2: Installing and Upgrading Junos OS

Juniper ACX2000 Specifications

General

Brand	Juniper
Model	ACX2000
Category	Network Router
Language	English