Drobo got combined with Nexsan to form a new company, StorCentric. Two takes on the deal:
https://www.crn.com/news/storage/storcentric-exits-stealth-with-acquisitions-of-drobo-nexsan
https://www.storagereview.com/storcentric_to_acquire_drobo_and_nexsan
https://www.crn.com/news/storage/storcentric-exits-stealth-with-acquisitions-of-drobo-nexsan
https://www.storagereview.com/storcentric_to_acquire_drobo_and_nexsan