Dell Networking SONiC How to mount and unmount USB

Summary: This article explains how to mount and unmount usb in Dell Networking SONiC.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Instructions

NOTE: To use USB on a DELL Networking SONiC in a Networking switch, we must ensure usb enable is configured. By default usb is disabled.

This article is applicable for Dell SONiC 4.0.1 and above. For Older Firmware version use below link.
 Dell Networking SONiC Firmware version 3.x, 4.0.0 How to Mount USB and copy file between switch and USB


Dell SONiC supports FAT32, vfat, ext2, ext3, and ext4 file systems on USB media


Command Syntax

Command  Explanation
sonic :~$ sonic-cli Enter Dell Sonic CLI
sonic# configure terminal Enter configure Mode
sonic(config)# usb enable Enable usb
sonic(config)# no usb Disable usb
sonic(config)# exit Exit from Configure mode
sonic# usb mount  Mount usb
sonic# usb un-mount  Unmount usb


Use the following commands to verify if USB is connected

Command  Explanation
sonic# show usb Display usb information
sonic# show usb partitions Display usb device partitions detected
sonic# show usb devices Display usb devices detected
sonic# dir usb:/  Display content of usb
 

After USB is mounted we can use copy command to copy files between usb and switch which can be useful in backing up config, copy tech support file etc. 


Sample Output

Configure USB enable 
sonic# 
sonic# configure terminal
sonic(config)# usb enable 
sonic(config)# exit
sonic#

Verify the configuration​​​​ 
sonic# show running-configuration | grep "usb enable"
usb enable
sonic#

MOUNT USB 
sonic# usb mount

Check if USB is mounted and its contents 
sonic# show usb
Auto Detection: Enabled
--------------------------------------------------------------------
Mount Dir        Device Name      Filesystem      
--------------------------------------------------------------------
/media/usb0      /dev/sdb         vfat

sonic# show usb partitions 
--------------------------------------------------------------------
Device name      Mount Dir        Filesystem      
--------------------------------------------------------------------
/dev/sdb                          vfat 

sonic# show usb devices 
--------------------------------------------------------------------
Device name      Manufacturer     Model Name      
--------------------------------------------------------------------
/dev/sdb         Generic          Flash Disk  

sonic# dir usb:/ 
-------------------------------------------------------------------------
Date(Last Modified)      Size(Bytes)    Type      Filename                        
-------------------------------------------------------------------------
XXXX-XX-XX XX:XX         XXXXX          -         XXX 
XXXX-XX-XX XX:XX         XXXXX          -         XXX        
XXXX-XX-XX XX:XX         XXXXX          -         XXX

UNMOUNT USB 
sonic# usb un-mount

Affected Products

Enterprise SONiC Distribution, Dell EMC Networking N3200-ON, PowerSwitch S5212F-ON, PowerSwitch S5224F-ON, PowerSwitch S5232F-ON, PowerSwitch S5248F-ON, PowerSwitch S5296F-ON, PowerSwitch Z9264F-ON, PowerSwitch Z9332F-ON, PowerSwitch Z9432F-ON
Article Properties
Article Number: 000212218
Article Type: How To
Last Modified: 25 May 2023
Version:  3
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