When a new image is uploaded to Eucalyptus, Eucalyptus saves the bundle and the image manifest to a bucket in Walrus. This bucket is stored in the Walrus directory that is defined in the Eucalyptus property
walrusbackend.storageDir . The default value for this property is
When you register an image, Eucalyptus creates the actual image file. Both the image manifest and the bundle must remain intact to run as an instance.
To delete an image fully, you must deregister the image and delete the bundle. To successfully remove an image and associated bundle files:
Find the image you want to remove.
euca-describe-images IMAGE emi-E533392E alpha/centos.5-3.x86-64.img.manifest.xml 965590394582 available public i386 machine eki-345135C9 eri-C4F135BC instance-store IMAGE emi-623C38B0 alpha/ubuntu.9-04.x86-64.img.manifest.xml 965590394582 available public i386 machine eki-E6B13926 eri-94DB3AB9 instance-store
Note the image file name (for example, emi-623C38B0). Deregister the image.
euca-deregister emi-623C38B0 IMAGE emi-623C38B0
Delete the bundle.
euca-delete-bundle -b alpha -p ubuntu.9-04.x86-64.img
If you accidentally try to delete a bundle for a second time, you might see an error message: . This error only displays if you try to delete a bundle that no longer exists.
euca-describe-images IMAGE emi-E533392E alpha/centos.5-3.x86-64.img.manifest.xml 965590394582 available public i386 machine eki-345135C9 eri-C4F135BC instance-store