SAS disks are having issues when formatting:
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2460 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2460 Sense Key : 0xb [current] [descriptor]
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2460 <<vendor>>ASC=0x81 ASCQ=0x0
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2460 CDB: opcode=0x8a 8a 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00
Feb 16 13:42:28 Meningitis kernel: print_req_error: I/O error, dev sdb, sector 0
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2463 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2463 Sense Key : 0xb [current] [descriptor]
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2463 <<vendor>>ASC=0x81 ASCQ=0x0
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2463 CDB: opcode=0x8a 8a 00 00 00 00 00 00 00 00 08 00 00 00 20 00 00
Feb 16 13:42:28 Meningitis kernel: print_req_error: I/O error, dev sdb, sector 8
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2464 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2464 Sense Key : 0xb [current] [descriptor]
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2464 <<vendor>>ASC=0x81 ASCQ=0x0
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2464 CDB: opcode=0x8a 8a 00 00 00 00 01 5d 50 a3 88 00 00 00 28 00 00
Feb 16 13:42:28 Meningitis kernel: print_req_error: I/O error, dev sdb, sector 5860533128
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2469 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2469 Sense Key : 0xb [current] [descriptor]
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2469 <<vendor>>ASC=0x81 ASCQ=0x0
Feb 16 13:42:28 Meningitis kernel: sd 1:0:0:0: [sdb] tag#2469 CDB: opcode=0x8a 8a 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00
Can't tell you the reason though, try formatting them elsewhere or with a different controller to try and rule things out.