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play_arrow Junos OS Overview
- play_arrow Junos OS Overview
  - Junos OS Overview
play_arrow Install, Upgrade, or Downgrade for Junos OS Software
- play_arrow Junos OS Install and Upgrade Overview
  - Junos OS Installation and Upgrade Overview
  - Storage Media and Routing Engines (Junos OS)
- play_arrow Prepare for Installation and Upgrade
- play_arrow Upgrade to Junos OS with Upgraded FreeBSD
  - Upgrading and Downgrading to Junos with Upgraded FreeBSD
- play_arrow Install Software on Routers
- play_arrow Install Software on Switches
- play_arrow Install Software on Firewalls
- play_arrow Manage YANG Packages During an Upgrade or Downgrade
  - Managing YANG Packages and Configurations During a Software Upgrade or Downgrade
play_arrow System Backup and Recovery
- play_arrow Back Up an Installation
  - Backing Up an Installation Using Snapshots (Junos OS)
- play_arrow Recover Junos OS
play_arrow Installation, Upgrade, and Downgrade VM Host Software, and Back Up and Recovery of VM Host Devices
- play_arrow VM Host Overview and CLI Commands
  - VM Host Overview (Junos OS)
  - VM Host Operations and Management
- play_arrow Boot Process for Routers with VM Host Support
  - Boot Process for Routers with VM Host Support
- play_arrow Installing, Upgrading, Backing Up, and Recovery of VM Host
  - Installing, Upgrading, Backing Up, and Recovery of VM Host
- play_arrow Copying VM Host Installation Package to the PXE Boot Server
  - Copying VM Host Installation Package to the PXE Boot Server
- play_arrow Upgrading NFX Devices
- play_arrow Creating an Emergency Boot Device for Routing Engines with VM Host Support
  - Creating an Emergency Boot Device for Routing Engines with VM Host Support
- play_arrow Upgrading Firmware on Routing Engines with VM Host Support
  - Upgrading the SSD Firmware on Routing Engines with VM Host Support
  - Upgrading the i40e NVM Firmware on Routing Engines with VM Host Support
- play_arrow Disabling Autorecovery on Routing Engines with VM Host Support
  - Disabling Autorecovery on Routing Engines with VM Host Support
play_arrow Installing and Upgrading the BIOS and Firmware
- play_arrow For Routers
  - Installing and Upgrading Firmware
- play_arrow For Switches
- play_arrow For Firewalls
  - Upgrading BIOS and Firmware (SRX only)
  - Upgrading 5.1KW HVAC/HVDC Single and Dual Input PSM Firmware (SRX5800)
play_arrow Zero Touch Provisioning and Secure Zero Touch Provisioning
play_arrow Phone-Home Client
- play_arrow Phone-Home Client
play_arrow Automatic Installation of Configuration Files
- play_arrow Automatic Installation of Configuration Files
play_arrow Configuration Statements and Operational Commands
- play_arrow Configuration Statements and Operational Commands
  - Junos CLI Reference Overview

list Table of Contents

English

Upgrading Disk Partitions Using the request vmhost software add package-name Command on an NFX350 Device
Upgrading Disk Partitions Using the request vmhost software add package-name Command on an NFX250 NextGen Device
Upgrading Disk Partitions Using the clean-install Command
Upgrading Disk Partitions Using the request system zeroize Command
Upgrading Disk Partitions Using a USB

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Upgrading Dual-Disk Partitions on NFX250 NextGen and NFX350 Devices

date_range 01-Dec-23

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You can upgrade the disk partitions on NFX250 NextGen and NFX350 devices by using:

The request vmhost software add package-name command.
The request system software add clean-install package-name command.
The request system zeroize command.
The USB image installation method.

Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX350 Device

When you upgrade the disks using this method, the device retains all the configuration and log information.

To upgrade the disk partitions using the

request vmhost software add
          package-name

command:

Verify the initial status of the disks.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 21.4I-20220531.0.1918
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Mon Nov 29 03:34:19 PST 2021

Partition set             : primary
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Thu Jun  2 05:09:21 PDT 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 22.3I20220517_0906
Installed/Upgraded at     : Wed May 18 21:45:46 PDT 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:50:58 PST 2022
Status                    : Factory installation setup complete, ready for boot

Partition set             : second alternate
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:51:01 PST 2022
Status                    : Factory installation setup complete, ready for boot

Upgrade the device with the Junos OS image version that supports the dual disk upgrade.

When prompted for a reboot, type Yes.
```
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-21.4R2.8-secure-signed.tgz
```

After the device reboots, verify the status of the disk partitions. The output shows that the image on the alternate partition of disk 1 is upgraded. The alternate partition is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : alternate
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022

Partition set             : primary
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Thu Jun  2 05:09:21 PDT 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Sun Jul  3 22:38:50 PDT 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:50:58 PST 2022
Status                    : Factory installation setup complete, ready for boot

Partition set             : second alternate
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:51:01 PST 2022
Status                    : Factory installation setup complete, ready for boot

Upgrade the device again to upgrade the primary partition of disk 1.

When prompted for a reboot, type Yes.
```
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-21.4R2.8-secure-signed.tgz
```

After the device reboots, verify the status of the disk partitions. The output shows that the image on the primary partition of disk 1 is upgraded. Both the primary and alternate partitions on disk 1 are running the same image. Note that the primary partition is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022
 
Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 00:02:33 PDT 2022
Status                    : Boot success
 
Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Sun Jul  3 22:38:50 PDT 2022
Status                    : Boot success
 
Partition set             : second primary
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:50:58 PST 2022
Status                    : Factory installation setup complete, ready for boot
 
Partition set             : second alternate
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 00:51:01 PST 2022
Status                    : Factory installation setup complete, ready for boot

To upgrade the secondary disk, switch to the primary partition of disk 2.

Note:
Before you switch from disk 1 to disk 2, ensure that the required basic configuration (such as management connectivity) is available on disk 2.
```
user@host> request vmhost reboot disk2 primary
```

After the device reboots, verify the status of the disk partitions.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : second primary
Software version  : 20.4R3.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.32_ovp
                    Host kernel version  : #1 SMP Thu Jul 8 23:25:47 PDT 2021

Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:02:33 UTC 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:51:48 UTC 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 08:50:58 UTC 2022
Status                    : Boot success

Partition set             : second alternate
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 08:51:01 UTC 2022
Status                    : Factory installation setup complete, ready for boot

Upgrade the device with the Junos OS image version that supports the dual disk upgrade.
```
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-21.4R2.8-secure-signed.tgz
```

Verify the status of the disk partitions after the upgrade. The output shows that the image on the alternate partition of disk 2 is upgraded. The alternate partition of disk 2 is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : second alternate
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022

Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:02:33 UTC 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:51:48 UTC 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 20.4R3.8
Installed/Upgraded at     : Fri Jan  7 08:50:58 UTC 2022
Status                    : Boot success

Partition set             : second alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 10:21:55 UTC 2022
Status                    : Boot success

Upgrade the primary partition on disk 2.

content_copy zoom_out_map
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-21.4R2.8-secure-signed.tgz

Verify the status of the disk partitions after the upgrade. The output shows that the image on the primary partition of disk 2 is upgraded. Both the primary and alternate partitions on disk 2 are running the same image. The primary partition on disk 2 is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : second primary
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022

Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:02:33 UTC 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 07:51:48 UTC 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 11:00:05 UTC 2022
Status                    : Boot success

Partition set             : second alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 10:21:55 UTC 2022
Status                    : Boot success

Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX250 NextGen Device

When you upgrade the disks using this method, the device retains all the configuration and log information.

To upgrade the disk partitions using the request vmhost software add package-name command:

Upgrade the device with the Junos OS image version which supports the dual disk upgrade using the request vmhost software add package-name command.

When prompted for a reboot, type Yes.
```
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-22.3I-20220428_dev_common.0.0158-secure-signed.tgz
```

Verify the status of the disks. The output shows that the image on the alternate partition is upgraded. The alternate partition is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : alternate
Software version  : 22.3I-20220428_dev_common.0.0158
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Sun Apr 24 23:33:52 PDT 2022
 
Partition set             : primary
Software version          : 21.1R3.11
Installed/Upgraded at     : Wed Dec 22 02:13:33 PST 2021
Status                    : Boot success
 
Partition set             : alternate
Software version          : 22.3I-20220428_dev_common.0.0158
Installed/Upgraded at     : Thu Apr 28 20:47:21 PDT 2022
Status                    : Boot success

Upgrade the device again to upgrade the primary partition.

When prompted for a reboot, type Yes.

content_copy zoom_out_map
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-22.3I-20220428_dev_common.0.0158-secure-signed.tgz

After the reboot, verify the status of the disk partitions. The output shows that the image on the primary partition is upgraded. The primary and alternate partitions are now running the same image, Note that the primary partition is the active partition now.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 22.3I-20220428_dev_common.0.0158
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Sun Apr 24 23:33:52 PDT 2022
 
Partition set             : primary
Software version          : 22.3I-20220428_dev_common.0.0158
Installed/Upgraded at     : Wed Jul 13 23:56:23 PDT 2022
Status                    : Boot success
 
Partition set             : alternate
Software version          : 22.3I-20220428_dev_common.0.0158
Installed/Upgraded at     : Thu Apr 28 20:47:21 PDT 2022
Status                    : Boot success

Upgrading Disk Partitions Using the clean-install Command

This upgrade method resets all the log and configuration information, and loads the specified image on all the disk partitions.

To upgrade the disk partitions using the clean-install command:

Verify the initial status of the disks.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022

Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 00:02:33 PDT 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 00:51:48 PDT 2022
Status                    : Boot success
Partition set             : second primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 04:00:05 PDT 2022
Status                    : Boot success

Partition set             : second alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 03:21:55 PDT 2022
Status                    : Boot success

Upgrade the device by using the clean-install command.

content_copy zoom_out_map
user@host> request vmhost software add /var/public/jinstall-host-nfx-3-x86-64-21.4I-20220531.0.1918-secure-signed.tgz clean-install

Verify the disk details after the upgrade. The output shows that the image on all the disk partitions is upgraded.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 21.4I-20220531.0.1918
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Mon Nov 29 03:34:19 PST 2021

Partition set             : primary
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Tue Jul  5 04:10:39 UTC 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Tue Jul  5 04:16:37 UTC 2022
Status                    : Factory installation setup complete, ready for boot

Partition set             : second primary
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Tue Jul  5 04:17:27 UTC 2022
Status                    : Factory installation setup complete, ready for boot

Partition set             : second alternate
Software version          : 21.4I-20220531.0.1918
Installed/Upgraded at     : Tue Jul  5 04:17:24 UTC 2022
Status                    : Factory installation setup complete, ready for boot

Upgrading Disk Partitions Using the request system zeroize Command

This upgrade method resets all the log and configuration information, and loads the image running on the current active partition on all the other disk partitions.

To upgrade the disk partitions:

Remove all configuration information on the Routing Engines and reset all key values.
```
user@host> request system zeroize
```

Verify the disk details. The output shows that the image on all the disk partitions is upgraded.

content_copy zoom_out_map
user@host> show vmhost version detail
Partition set     : primary
Software version  : 21.4R2.8
                    Host kernel release  : 4.1.27-rt30-WR8.0.0.34_ovp
                    Host kernel version  : #1 SMP Tue Feb 22 01:50:05 PST 2022

Partition set             : primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 00:02:33 PDT 2022
Status                    : Boot success

Partition set             : alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 00:51:48 PDT 2022
Status                    : Boot success

Partition set             : second primary
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 04:00:05 PDT 2022
Status                    : Boot success

Partition set             : second alternate
Software version          : 21.4R2.8
Installed/Upgraded at     : Mon Jul  4 03:21:55 PDT 2022
Status                    : Boot success

Upgrading Disk Partitions Using a USB

For information about upgrading the disk partitions using a USB, see KB31834.

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Junos® OS Software Installation and Upgrade Guide

ON THIS PAGE

Upgrading Dual-Disk Partitions on NFX250 NextGen and NFX350 Devices

Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX350 Device

Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX250 NextGen Device

Upgrading Disk Partitions Using the clean-install Command

Upgrading Disk Partitions Using the request system zeroize Command

Upgrading Disk Partitions Using a USB

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Junos® OS Software Installation and Upgrade Guide

ON THIS PAGE

Upgrading Dual-Disk Partitions on NFX250 NextGen and NFX350 Devices

Upgrading Disk Partitions Using the request vmhost software add package-name Command on an NFX350 Device

Upgrading Disk Partitions Using the request vmhost software add package-name Command on an NFX250 NextGen Device

Upgrading Disk Partitions Using the clean-install Command

Upgrading Disk Partitions Using the request system zeroize Command

Upgrading Disk Partitions Using a USB

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Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX350 Device

Upgrading Disk Partitions Using the request vmhost software add `package-name` Command on an NFX250 NextGen Device