Dell software above solves problem with updating firmware to D207 for Fujitsu MAX3147RC in case you have Dell T310 with PERC 6/i controler. [URL]
My server T310 with PERC 6/i Adapter Firmware Version    6.3.3.0002Driver Version    4.05.01.64Storport Driver Version    6.1.7601.18386 two SAS disks DELL MAX3147RC  firmware D206 working in mirror (Connector 0). There are a lot of events Unexpected sense. SCSI sense data: Sense key: 3 Sense code: 11 Sense qualifier: 1: Physical Disk 0:0:1 Controller 0, Connector 0 and Unexpected sense. SCSI sense data: Sense key: 3 Sense code: 11 Sense qualifier: 1: Physical Disk 0:0:0 Controller 0, Connector 0   But RAID works correctly. Battery OK.   Could you help me and give me advice what should I do ?        
Dell PE T310 Unexpected sense. SCSI sense data: Sense key:3