"we had another incident with the Storage Processor"
The use of storage processor would suggest EMC kit, specifically the Clariion/VNX/VNX2 range. Unfortunate for all involved really but there have been quite a few of these cloud services outages over the years and in pretty much all cases hardware failure has been only a small part of the story.
http://www.channelregister.co.uk/2012/01/16/tieto_vnx5700/
http://www.itnews.com.au/News/230663,emc-san-at-centre-of-state-meltdown.aspx
http://searchstorage.techtarget.com/news/1510721/EMC-SAN-failure-blamed-for-Intermedia-hosted-email-outages