Is there any way to delete existing ext4 file system and make the volume un-mountable. I would assume that there should be some way to discard filesystem metadata on the volume but I cannot find out how. Thanks for your feedback -- Alireza -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html