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List:       smartmontools-support
Subject:    Re: [smartmontools-support]ever increasing values for Raw_Read_Error_Rate
From:       Bruce Allen <ballen () gravity ! phys ! uwm ! edu>
Date:       2004-06-15 3:27:14
Message-ID: Pine.GSO.4.21.0406142223200.5767-100000 () dirac ! phys ! uwm ! edu
[Download RAW message or body]

Hi Alex,

> I've read a lot of webpages on S.M.A.R.T., looked @ the site of
> Maxtor, but still wonder why my machine shows ever increasing numbers
> for attributes Raw_Read_Error_Rate and Soft_Read_Error_Rate. I've read
> the stuff on CRC and harddisks that always read faulty data and
> correct with CRC , but when I look for example outputs I never see
> these high values...
>  
> Thanks if you have a hint...

I'm afraid I can't tell you what the raw numbers here mean -- except to
say that since the normalized values are all greater than the threshold
values, nothing is wrong.

This appears to be an older version of Maxtor's firmware, so perhaps they
are using the raw values in different ways than the current firmware.

And it may be that (in spite of being rate-type Attributes) these are
actually counters and hence always increasing.

Perhaps someone else can help explain this.

Cheers,
	Bruce



>  
> Here is my run for smartctl:
>  
> bash-2.05$ ./smartctl -a /dev/hda
> smartctl version 5.30 Copyright (C) 2002-4 Bruce Allen
> Home page is http://smartmontools.sourceforge.net/
>  
> === START OF INFORMATION SECTION ===
> Device Model:     Maxtor 91021U2
> Serial Number:    G2138BSC
> Firmware Version: FA520860
> Device is:        In smartctl database [for details use: -P show]
> ATA Version is:   4
> ATA Standard is:  ATA/ATAPI-4 T13 1153D revision 17
> Local Time is:    Mon Jun 14 17:46:14 2004 CEST
> SMART support is: Available - device has SMART capability.
> SMART support is: Enabled
>  
> === START OF READ SMART DATA SECTION ===
> SMART overall-health self-assessment test result: PASSED
>  
> General SMART Values:
> Offline data collection status:  (0x80) Offline data collection activity was
>                                         never started.
>                                         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:                 (   0) seconds.
> Offline data collection
> capabilities:                    (0x1b) 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.
>                                         No Selective Self-test supported.
> SMART capabilities:            (0x0003) Saves SMART data before entering
>                                         power-saving mode.
>                                         Supports SMART auto save timer.
> Error logging capability:        (0x00) Error logging NOT supported.
>                                         No General Purpose Logging support.
> Short self-test routine
> recommended polling time:        (   2) minutes.
> Extended self-test routine
> recommended polling time:        (   9) minutes.
>  
> SMART Attributes Data Structure revision number: 16
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
>   1 Raw_Read_Error_Rate     0x000a   253   252   000    Old_age   Always       -       803159311938
>   3 Spin_Up_Time            0x0027   252   252   063    Pre-fail  Always       -       0
>   4 Start_Stop_Count        0x0032   253   253   000    Old_age   Always       -       0
>   5 Reallocated_Sector_Ct   0x0033   253   253   063    Pre-fail  Always       -       0
>   6 Read_Channel_Margin     0x0001   253   253   100    Pre-fail  Offline      -       0
>   7 Seek_Error_Rate         0x000a   253   252   000    Old_age   Always       -       40124
>   8 Seek_Time_Performance   0x0027   250   249   187    Pre-fail  Always       -       172331268426406
>   9 Power_On_Minutes        0x0032   253   253   000    Old_age   Always       -       188h+34m
>  10 Spin_Retry_Count        0x002b   252   252   223    Pre-fail  Always       -       0
>  11 Calibration_Retry_Count 0x002b   252   252   223    Pre-fail  Always       -       0
>  12 Power_Cycle_Count       0x0032   253   253   000    Old_age   Always       -       347
> 196 Reallocated_Event_Count 0x0008   253   253   000    Old_age   Offline      -       0
> 197 Current_Pending_Sector  0x0008   253   253   000    Old_age   Offline      -       0
> 198 Offline_Uncorrectable   0x0008   253   253   000    Old_age   Offline      -       0
> 199 UDMA_CRC_Error_Count    0x0008   199   199   000    Old_age   Offline      -       2776
> 200 Multi_Zone_Error_Rate   0x000a   253   252   000    Old_age   Always       -       118676
> 201 Soft_Read_Error_Rate    0x000a   253   252   000    Old_age   Always       -       34360165954
> 202 TA_Increase_Count       0x000a   253   252   000    Old_age   Always       -       427586
> 203 Run_Out_Cancel          0x000b   253   252   180    Pre-fail  Always       -       427586
> 204 Shock_Count_Write_Opern 0x000a   253   252   000    Old_age   Always       -       427586
> 205 Shock_Rate_Write_Opern  0x000a   253   252   000    Old_age   Always       -       427586
> 207 Spin_High_Current       0x002a   252   252   000    Old_age   Always       -       0
> 208 Spin_Buzz               0x002a   252   252   000    Old_age   Always       -       0
> 209 Offline_Seek_Performnce 0x0024   253   253   000    Old_age   Offline      -       0
>  96 Unknown_Attribute       0x0004   253   253   000    Old_age   Offline      -       0
>  97 Unknown_Attribute       0x0004   253   253   000    Old_age   Offline      -       0
> 
> Alex.
> 



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