How To Create a New Disk Image in OpenNebula

1. Log into OpenNebula Sunstone.

   
   

2. Go to “Virtual Resources” in the left menu and click on “Images” in the drop down menu.

   

   
   

3. Click the "+" button to add a new image.

   

   The following parameters must be specified:

   • Name = "your image name"
   • Type = Generic storage datablock
   • Tick "This image is persistent"
   • Set Image Location to Empty disk image
   • Size = "your required space in MB"

   
   

4. Open "Advanced Options".

   

   Fill in the following fields:

   • Image mapping driver = qcow2
   • define device prefix adding: Key = DEV_PREFIX , VALUE = vd

   
   

5. Click on the "Create" button.