I've found that I'm getting this series of repeating errors in my server's log. Any idea what is causing it? I have 4 pending sectors and 85 reallocated events (though 0 reallocated sectors) on my cache drive it seems (see my next post for the errors from my cache drive). Is this the cause of the errors in my SysLog? Do I need to swap out my cache? The number of currently pending sectors doesn't seem to be increasing.

 

Apr 12 02:01:20 Tower kernel: ata9.00: exception Emask 0x0 SAct 0x4 SErr 0x0 action 0x6 frozen

Apr 12 02:01:20 Tower kernel: ata9.00: failed command: WRITE FPDMA QUEUED

Apr 12 02:01:20 Tower kernel: ata9.00: cmd 61/08:10:00:a9:8c/00:00:0d:00:00/40 tag 2 ncq 4096 out

Apr 12 02:01:20 Tower kernel: res 40/00:ff:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)

Apr 12 02:01:20 Tower kernel: ata9.00: status: { DRDY }

Apr 12 02:01:20 Tower kernel: ata9: hard resetting link

Apr 12 02:01:20 Tower kernel: ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

Apr 12 02:01:20 Tower kernel: ata9.00: configured for UDMA/133

Apr 12 02:01:20 Tower kernel: ata9.00: device reported invalid CHS sector 0

Apr 12 02:01:20 Tower kernel: ata9: EH complete

Also I'm assuming this information from my cache drive SMART info might be related:

 

196 Reallocated event count 0x0032 100 100 000 Old age Always Never 85

197 Current pending sector 0x0022 100 100 000 Old age Always Never 4

 

And this is coming up in my cache's SMART error log:

ATA Error Count: 119 (device log contains only the most recent five errors)

CR = Command Register [HEX]

FR = Features Register [HEX]

SC = Sector Count Register [HEX]

SN = Sector Number Register [HEX]

CL = Cylinder Low Register [HEX]

CH = Cylinder High Register [HEX]

DH = Device/Head Register [HEX]

DC = Device Command Register [HEX]

ER = Error register [HEX]

ST = Status register [HEX]

Powered_Up_Time is measured from power on, and printed as

DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,

SS=sec, and sss=millisec. It "wraps" after 49.710 days.

 

Error 119 occurred at disk power-on lifetime: 1459 hours (60 days + 19 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 36 9a 02 4a ef  Error: UNC 54 sectors at LBA = 0x0f4a029a = 256508570

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  25 00 00 d0 01 4a e0 08  22d+20:04:30.300  READ DMA EXT

  ea 00 00 00 00 00 a0 08  22d+20:04:30.300  FLUSH CACHE EXT

  c8 00 80 50 01 4a ef 08  22d+20:04:30.200  READ DMA

  ca 00 08 c0 00 00 e0 08  22d+20:04:30.200  WRITE DMA

  c8 00 20 30 01 4a ef 08  22d+20:04:30.200  READ DMA

 

Error 118 occurred at disk power-on lifetime: 1458 hours (60 days + 18 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 2e 9a 02 4a ef  Error: UNC 46 sectors at LBA = 0x0f4a029a = 256508570

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  25 00 00 c8 00 4a e0 08  22d+18:54:13.200  READ DMA EXT

  c8 00 80 48 00 4a ef 08  22d+18:54:13.200  READ DMA

  c8 00 20 28 00 4a ef 08  22d+18:54:13.200  READ DMA

  35 00 30 d0 a9 3c e0 08  22d+18:54:13.200  WRITE DMA EXT

  c8 00 08 20 00 4a ef 08  22d+18:54:13.200  READ DMA

 

Error 117 occurred at disk power-on lifetime: 1445 hours (60 days + 5 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 05 9b 99 a7 e1  Error: UNC 5 sectors at LBA = 0x01a7999b = 27761051

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  25 00 08 98 99 a7 e0 08  22d+05:34:20.100  READ DMA EXT

  ef 10 02 00 00 00 a0 08  22d+05:34:20.100  SET FEATURES [Enable SATA feature]

  27 00 00 00 00 00 e0 08  22d+05:34:20.100  READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]

  ec 00 00 00 00 00 a0 08  22d+05:34:20.100  IDENTIFY DEVICE

  ef 03 42 00 00 00 a0 08  22d+05:34:20.100  SET FEATURES [set transfer mode]

 

Error 116 occurred at disk power-on lifetime: 1445 hours (60 days + 5 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 05 9b 99 a7 e1  Error: UNC 5 sectors at LBA = 0x01a7999b = 27761051

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  25 00 08 98 99 a7 e0 08  22d+05:34:16.300  READ DMA EXT

  ef 10 02 00 00 00 a0 08  22d+05:34:16.300  SET FEATURES [Enable SATA feature]

  27 00 00 00 00 00 e0 08  22d+05:34:16.300  READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]

  ec 00 00 00 00 00 a0 08  22d+05:34:16.300  IDENTIFY DEVICE

  ef 03 42 00 00 00 a0 08  22d+05:34:16.300  SET FEATURES [set transfer mode]

 

Error 115 occurred at disk power-on lifetime: 1445 hours (60 days + 5 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 05 9b 99 a7 e1  Error: UNC 5 sectors at LBA = 0x01a7999b = 27761051

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  25 00 08 98 99 a7 e0 08  22d+05:34:12.500  READ DMA EXT

  ef 10 02 00 00 00 a0 08  22d+05:34:12.500  SET FEATURES [Enable SATA feature]

  27 00 00 00 00 00 e0 08  22d+05:34:12.500  READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]

  ec 00 00 00 00 00 a0 08  22d+05:34:12.500  IDENTIFY DEVICE

  ef 03 42 00 00 00 a0 08  22d+05:34:12.500  SET FEATURES [set transfer mode]

Probably a bad disk, you can do an extended SMART test to confirm.