oc-mirror v2 stops image deletion if one of image is missing. 

1. Mirror multiple images.
2. Delete manually one of image.
3. Then try to delete images using v2, the images deletion will stop with error that one of image is missing and not proceed further.     

 Image deletion stop for missing images and not proceed further.

    Image deletion should proceed further even few images are missing. At the end it can give waring that these many images failed to delete due to unavailability of image.