David Kelly wrote:

On Thu, Oct 12, 2006 at 06:54:53PM +0100, Spiros Papadopoulos wrote:
Since as you say everything is working, maybe it is a good idea to
take a look and run the fsck command at least it may give you some
more information, which you can post in order to get better answers


That too, but first I'd start with sysutils/smartmontools and see what
the drive and its built-in log says.





I'm having a similar problem,
Oct 13 03:01:31 tco1 kernel: ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=181778119 Oct 13 07:11:15 tco1 kernel: ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=181778119

I'm assuming that particular sector on the drive is dying, I have backed everything up on the drive, can anyone give me more information, should the drive simply be replaced or is it possible that this is simply a TOC error and could be corrected by newfs to the drive?

I'm guessing it will need to be replaced, output of smartctl is below....

Thanks
~Richard

uname -a
>>FreeBSD 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Mon May 2 22:32:50 EDT 2005 >>[EMAIL PROTECTED]:/usr/src/sys/i386/compile/TCO1.2005.05.02.001 i386


My output of smartmontools is:
smartctl -a -s on /dev/ad2
smartctl version 5.36 [i386-portbld-freebsd5.3] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Barracuda 7200.7 and 7200.7 Plus family
Device Model:     ST3200822A
Serial Number:    5LJ0LW2T
Firmware Version: 3.01
User Capacity:    200,049,647,616 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   6
ATA Standard is:  ATA/ATAPI-6 T13 1410D revision 2
Local Time is:    Fri Oct 13 14:56:23 2006 EDT
SMART support is: Available - device has SMART capability.
SMART support is: Disabled

=== START OF ENABLE/DISABLE COMMANDS SECTION ===
SMART Enabled.

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82) Offline data collection activity
                                       was completed without error.
Auto Offline Data Collection: Enabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever
                                       been run.
Total time to complete Offline
data collection:                 ( 430) seconds.
Offline data collection
capabilities:                    (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
                                       Suspend Offline collection upon new
                                       command.
                                       Offline surface scan supported.
                                       Self-test supported.
                                       No Conveyance Self-test supported.
                                       Selective Self-test supported.
SMART capabilities:            (0x0003) Saves SMART data before entering
                                       power-saving mode.
                                       Supports SMART auto save timer.
Error logging capability:        (0x01) Error logging supported.
                                       No General Purpose Logging support.
Short self-test routine
recommended polling time:        (   1) minutes.
Extended self-test routine
recommended polling time:        ( 111) minutes.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 051 048 006 Pre-fail Always - 22488920 3 Spin_Up_Time 0x0003 097 097 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 21 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 1 7 Seek_Error_Rate 0x000f 084 060 030 Pre-fail Always - 328020832 9 Power_On_Hours 0x0032 082 082 000 Old_age Always - 16043 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 22 194 Temperature_Celsius 0x0022 030 040 000 Old_age Always - 30 195 Hardware_ECC_Recovered 0x001a 051 048 000 Old_age Always - 22488920 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 1 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 1 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0000 100 253 000 Old_age Offline - 0 202 TA_Increase_Count 0x0032 051 204 000 Old_age Always - 49

SMART Error Log Version: 1
ATA Error Count: 7742 (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 7742 occurred at disk power-on lifetime: 16036 hours (668 days + 4 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 04 c7 b6 d5 ea  Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = 181778119

 Commands leading to the command that caused the error were:
 CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
 -- -- -- -- -- -- -- --  ----------------  --------------------
 c8 00 04 c7 b6 d5 ea 00      15:22:37.737  READ DMA
 c8 00 04 9b b4 e1 ea 00      15:22:37.493  READ DMA
 c8 00 04 97 b4 e1 ea 00      15:22:37.251  READ DMA
 c8 00 04 a7 b4 e1 ea 00      15:22:37.002  READ DMA
 c8 00 04 a3 b4 e1 ea 00      15:22:36.761  READ DMA

Error 7741 occurred at disk power-on lifetime: 16032 hours (668 days + 0 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 04 c7 b6 d5 ea  Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = 181778119

 Commands leading to the command that caused the error were:
 CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
 -- -- -- -- -- -- -- --  ----------------  --------------------
 c8 00 04 c7 b6 d5 ea 00      11:08:40.154  READ DMA
 35 00 20 df ff 2b 40 00      11:08:40.145  WRITE DMA EXT
 35 00 20 1f d5 16 40 00      11:08:44.953  WRITE DMA EXT
 ca 00 20 3f c0 92 ef 00      11:08:40.258  WRITE DMA
 ca 00 20 df 85 81 ef 00      11:08:40.250  WRITE DMA

Error 7740 occurred at disk power-on lifetime: 16012 hours (667 days + 4 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 04 c7 b6 d5 ea  Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = 181778119

 Commands leading to the command that caused the error were:
 CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
 -- -- -- -- -- -- -- --  ----------------  --------------------
 c8 00 04 c7 b6 d5 ea 00      15:49:49.473  READ DMA
 c8 00 04 9b b4 e1 ea 00      15:49:49.220  READ DMA
 c8 00 04 97 b4 e1 ea 00      15:49:52.420  READ DMA
 c8 00 04 a7 b4 e1 ea 00      15:49:52.175  READ DMA
 c8 00 04 a3 b4 e1 ea 00      15:49:51.929  READ DMA

Error 7739 occurred at disk power-on lifetime: 16008 hours (667 days + 0 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 04 c7 b6 d5 ea  Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = 181778119

 Commands leading to the command that caused the error were:
 CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
 -- -- -- -- -- -- -- --  ----------------  --------------------
 c8 00 04 c7 b6 d5 ea 00      11:35:56.771  READ DMA
 35 00 20 bf e7 39 40 00      11:35:56.765  WRITE DMA EXT
 35 00 20 7f 6b 2e 40 00      11:35:56.749  WRITE DMA EXT
 35 00 20 3f 0d c7 40 00      11:35:56.740  WRITE DMA EXT
 35 00 20 1f 4f c1 40 00      11:35:56.732  WRITE DMA EXT

Error 7738 occurred at disk power-on lifetime: 15989 hours (666 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 04 c7 b6 d5 ea  Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = 181778119

 Commands leading to the command that caused the error were:
 CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
 -- -- -- -- -- -- -- --  ----------------  --------------------
 c8 00 04 c7 b6 d5 ea 00      16:16:27.719  READ DMA
 c8 00 04 9b b4 e1 ea 00      16:16:27.468  READ DMA
 c8 00 04 97 b4 e1 ea 00      16:16:30.682  READ DMA
 c8 00 04 a7 b4 e1 ea 00      16:16:30.440  READ DMA
 c8 00 04 a3 b4 e1 ea 00      16:16:30.174  READ DMA

SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]


SMART Selective self-test log data structure revision number 1
SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
   1        0        0  Not_testing
   2        0        0  Not_testing
   3        0        0  Not_testing
   4        0        0  Not_testing
   5        0        0  Not_testing
Selective self-test flags (0x0):
 After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

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