Unable to run yum update on Centos 7

[Tofaram]

# yum update
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: centos.mirror.ac.za
* epel: fedora.mirror.ac.za
* extras: centos.mirror.ac.za
* updates: centos.mirror.ac.za
Resolving Dependencies
--> Running transaction check
---> Package filesystem.x86_64 0:3.2-21.el7 will be updated
---> Package filesystem.x86_64 0:3.2-25.el7 will be an update
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
Package Arch Version Repository Size
========================================================================================================================================================================
Updating:
filesystem x86_64 3.2-25.el7 base 1.0 M

Transaction Summary
========================================================================================================================================================================
Upgrade 1 Package

Total download size: 1.0 M
Is this ok [y/d/N]: y
Downloading packages:
No Presto metadata available for base
filesystem-3.2-25.el7.x86_64.rpm | 1.0 MB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : filesystem-3.2-25.el7.x86_64 1/2
Error unpacking rpm package filesystem-3.2-25.el7.x86_64
error: unpacking of archive failed on file /mnt: cpio: chown
Verifying : filesystem-3.2-25.el7.x86_64 1/2
filesystem-3.2-21.el7.x86_64 was supposed to be removed but is not!
Verifying : filesystem-3.2-21.el7.x86_64 2/2

Failed:
filesystem.x86_64 0:3.2-21.el7 filesystem.x86_64 0:3.2-25.el7

Complete!
[root@mail ~]# yum check

 

[Tofaram]

Please help i am not able to install anything on my server ,

 

[Hollis]

Permission on /mnt?

error: unpacking of archive failed on file /mnt: cpio: chown

 

[Belokan]

Remember this is a Proxmox support forum, not RHEL/CentOS ...
Unmount your /mnt filesystem before updating the "filesystem RPM"