Description

This article describes the workaround when the console prints the error "mount failed with error code 2. Can't start container for dcpfe0" and gets stuck in "Localhost Login" prompt.

Symptoms

1. In-band access is lost to the device.

2. Might observe the following error getting printed continuously on Console: 
    end_request: I/O error, dev sdb, sector 0

3. Because of the above SSD error, device requires a powercycle post which device gets stuck in "Localhost Login" prompt as shown in the below console logs:
 

/bin/ls: cannot access *.pid: No such file or directory
/sbin/mount.aufs:mount.aufs.c:200: /junos/images/lxc/dcpfe0: No such file or directory
mount failed with error code 2. Can't start container for dcpfe0
/sbin/mount.aufs:mount.aufs.c:200: /junos/images/lxc/dcpfe0: No such file or directory
retry:1  mount failed with errior code 2. Cannot start container for dcpfe0
/sbin/mount.aufs:mount.aufs.c:200: /junos/images/lxc/dcpfe0: No such file or directory
retry:2  mount failed with errior code 2. Cannot start container for dcpfe0
/sbin/mount.aufs:mount.aufs.c:200: /junos/images/lxc/dcpfe0: No such file or directory
retry:3  mount failed with errior code 2. Cannot start container for dcpfe0

 ind River Linux 7.0.0.9 localhost console

 localhost login:


 

Solution

1. Since this is an hardware issue, perform powercycle of the device.


2. If powercycle doesn't work, try format install or Junos recovery.

 

[EX/QFX] Procedure to format install QFX5K//EX4600 device using a USB - https://juniper.lightning.force.com/lightning/r/Knowledge__kav/ka0Dp000000j7TyIAI/view

 

JUNOS Recovery: https://juniper.lightning.force.com/lightning/r/Knowledge__kav/ka03c0000009UzgAAE/view

 

3. If the above steps still does not work , go for replacement of the device.

Modification History

2024-07-29 : Article Created