Unable to create AutoFTP backup in SolusVM: Could not create snapshot. Skipping

Symptoms 

• Unable to create AutoFTP backup in SolusVM, the following error is shown at SolusVM > Nodes > the_node > AutoFTP Backup > Log:
  

  CONFIG_TEXT: =======================================================================
  Backup Log Started : Oct 22 2020 11:25:02
  =======================================================================
  FTP source directory found
  ###### FTP Pre Test Succeeded ######
  Backing up virtual server kvm101
  Copying config file
  Uploading config file
  Creating archive
  Could not create snapshot. Skipping
  =======================================================================
  Backup Log Finished : Oct 22 2020 11:25:03
  =======================================================================

• There is less than 5GB of free space available on the Volume Group at the Node where the backing up VPS is hosted:
  

  # vgs
  VG #PV #LV #SN Attr VSize VFree
  solusvm 1 3 0 wz--n- 3.49t 180.00m

Cause

Insufficient free space for a snapshot on the Volume Group, the default LVM snapshot size is 5GB

Resolution