ata2 errors

00:47:20 NSA-325 kernel: [10302.816191] ata2: exception Emask 0x10 SAct 0x0 SErr 0x180000 action 0x6 frozen
00:47:20 NSA-325 kernel: [10302.824230] ata2: edma_err_cause=00000020 pp_flags=00000000, SError=00180000
00:47:20 NSA-325 kernel: [10302.831315] ata2: SError: { 10B8B Dispar }
00:47:20 NSA-325 kernel: [10302.835659] ata2: hard resetting link
00:47:20 NSA-325 kernel: [10303.341926] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
00:47:20 NSA-325 kernel: [10303.348245] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x40)
00:47:20 NSA-325 kernel: [10303.355262] ata2.00: revalidation failed (errno=-5)
00:47:25 NSA-325 kernel: [10308.341917] ata2: hard resetting link
00:47:25 NSA-325 kernel: [10308.691918] ata2: SATA link down (SStatus 0 SControl F300)
00:47:25 NSA-325 kernel: [10308.697440] ata2: limiting SATA link speed to 1.5 Gbps
00:47:30 NSA-325 kernel: [10313.691919] ata2: hard resetting link
00:47:31 NSA-325 kernel: [10314.041927] ata2: SATA link down (SStatus 0 SControl F310)
00:47:31 NSA-325 kernel: [10314.047447] ata2.00: disabled
00:47:31 NSA-325 kernel: [10314.050444] ata2: EH complete
00:47:31 NSA-325 kernel: [10314.053450] ata2.00: detaching (SCSI 1:0:0:0)