1. Knowledge Base
  2. Zmanda Recovery Manager (ZRM)


This article is for Zmanda Recovery Manager For MySQL (ZRM)

Error Message

umount failed.

Error Description

This issue occurs, if user doesn't have permission to do sudo for the umount command.


  1. Make sure that ssh keys has been exported porperly.
  2. Make sure that sudoer has been configured correctly.

For more information please follow below link:
How to create Sudoer configuration for snapshots