I just got the following email, should I be worried?
IMPORTANT: Do not ignore this email.
You should backup all the data on the hard drives listed below and replace them as soon as possible.
S.M.A.R.T has detected that they are not peforming within normal operating paramaters.
Excessive ATA Errors on disk /dev/hda. Please consider replacing this drive.
SMART Error Log:
SMART Error Logging Version: 1
Error Log Data Structure Pointer: 05
ATA Error Count: 16
Non-Fatal Count: 0
Error Log Structure 1:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 4c a2 23 e0 ca 3147640
08 00 08 24 d3 8a e0 c8 3147640
08 00 60 2c d3 8a e0 c8 3147640
08 00 18 8c d3 8a e0 c8 3147640
08 da 00 00 4f c2 e0 b0 3147640
00 04 00 0b 4f c2 e0 51 32124
Error Log Structure 2:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 7c a5 22 e0 ca 3582248
08 00 08 8c 90 22 e0 ca 3582248
08 00 02 41 00 00 e0 c8 3582248
08 00 08 0c 30 03 e0 c8 3582248
08 00 01 01 00 00 a0 08 3582260
00 04 01 01 00 00 a0 51 32175
Error Log Structure 3:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 fc c0 76 e4 c8 3616438
08 00 08 24 d3 8a e0 c8 3616438
08 00 60 2c d3 8a e0 c8 3616438
08 00 18 8c d3 8a e0 c8 3616439
08 da 00 00 4f c2 e0 b0 3616439
00 04 00 0b 4f c2 e0 51 32144
Error Log Structure 4:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 7c a5 22 e0 ca 519082
08 00 08 8c 90 22 e0 ca 519082
08 00 02 41 00 00 e0 c8 519082
08 00 08 0c 30 03 e0 c8 519082
08 00 01 01 00 00 a0 08 519095
00 04 01 01 00 00 a0 51 32162
Error Log Structure 5:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 b4 a6 76 e4 c8 579232
08 00 08 24 d3 8a e0 c8 579232
08 00 60 2c d3 8a e0 c8 579232
08 00 18 8c d3 8a e0 c8 579233
08 da 00 00 4f c2 e0 b0 579233
00 04 00 0b 4f c2 e0 51 32138
IMPORTANT: Do not ignore this email.
You should backup all the data on the hard drives listed below and replace them as soon as possible.
S.M.A.R.T has detected that they are not peforming within normal operating paramaters.
Excessive ATA Errors on disk /dev/hda. Please consider replacing this drive.
SMART Error Log:
SMART Error Logging Version: 1
Error Log Data Structure Pointer: 05
ATA Error Count: 16
Non-Fatal Count: 0
Error Log Structure 1:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 4c a2 23 e0 ca 3147640
08 00 08 24 d3 8a e0 c8 3147640
08 00 60 2c d3 8a e0 c8 3147640
08 00 18 8c d3 8a e0 c8 3147640
08 da 00 00 4f c2 e0 b0 3147640
00 04 00 0b 4f c2 e0 51 32124
Error Log Structure 2:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 7c a5 22 e0 ca 3582248
08 00 08 8c 90 22 e0 ca 3582248
08 00 02 41 00 00 e0 c8 3582248
08 00 08 0c 30 03 e0 c8 3582248
08 00 01 01 00 00 a0 08 3582260
00 04 01 01 00 00 a0 51 32175
Error Log Structure 3:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 fc c0 76 e4 c8 3616438
08 00 08 24 d3 8a e0 c8 3616438
08 00 60 2c d3 8a e0 c8 3616438
08 00 18 8c d3 8a e0 c8 3616439
08 da 00 00 4f c2 e0 b0 3616439
00 04 00 0b 4f c2 e0 51 32144
Error Log Structure 4:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 7c a5 22 e0 ca 519082
08 00 08 8c 90 22 e0 ca 519082
08 00 02 41 00 00 e0 c8 519082
08 00 08 0c 30 03 e0 c8 519082
08 00 01 01 00 00 a0 08 519095
00 04 01 01 00 00 a0 51 32162
Error Log Structure 5:
DCR FR SC SN CL SH D/H CR Timestamp
08 00 08 b4 a6 76 e4 c8 579232
08 00 08 24 d3 8a e0 c8 579232
08 00 60 2c d3 8a e0 c8 579232
08 00 18 8c d3 8a e0 c8 579233
08 da 00 00 4f c2 e0 b0 579233
00 04 00 0b 4f c2 e0 51 32138