Cloud storage startups have received lots of investor love this week. In the past two days, three cloud storage companies raised a total of $30 million, with Gluster bringing in $8.5 million, Zetta scoring $11.5 million and and Nirvanix receiving $10 million. It’s further proof that organizations are looking for scalable (and, ideally, inexpensive) methods for storing their growing data stores, and that cloud computing is becoming an ideal model to do that. This week’s funding announcements aren’t the beginning of any trend, merely a continuance.