[mythtv-users] OT: 3 week old HDD "Clicking" ??

John Drescher drescherjm at gmail.com
Mon May 4 19:25:04 UTC 2009


> The problem is that they actually re-use smart values for things other
> then what is standard, for example, my 7200.10 uses
> Raw_Read_Error_Rate, Hardware_ECC_Recovered, and Seek_Error_Rate not
> as they are intended to be, so smartctl reports massive error numbers
> for those parameters, but they're meaningless. Personally, I'm a fan
> of knowing when I'm getting raw reads or seek errors...
>
I have noticed that. No way my drives have 56475295 raw read errors.
Well at least I hope not!

datastore3 ~ # smartctl --all /dev/sda
smartctl version 5.38 [x86_64-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Barracuda 7200.11
Device Model:     ST3500320AS
Serial Number:    9QM23HGS
Firmware Version: SD15
User Capacity:    500,107,862,016 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   8
ATA Standard is:  ATA-8-ACS revision 4
Local Time is:    Mon May  4 15:22:22 2009 EDT
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:  (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:                 ( 634) seconds.
Offline data collection
capabilities:                    (0x7b) SMART execute Offline immediate.
                                        Auto Offline data collection
on/off support.
                                        Suspend Offline collection upon new
                                        command.
                                        Offline surface scan supported.
                                        Self-test supported.
                                        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.
                                        General Purpose Logging supported.
Short self-test routine
recommended polling time:        (   1) minutes.
Extended self-test routine
recommended polling time:        ( 118) minutes.
Conveyance self-test routine
recommended polling time:        (   2) minutes.
SCT capabilities:              (0x103b) SCT Status supported.
                                        SCT Feature Control supported.
                                        SCT Data Table supported.

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   113   100   006    Pre-fail
Always       -       56475295
  3 Spin_Up_Time            0x0003   095   091   000    Pre-fail
Always       -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age
Always       -       45
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail
Always       -       0
  7 Seek_Error_Rate         0x000f   075   060   030    Pre-fail
Always       -       34106471
  9 Power_On_Hours          0x0032   096   096   000    Old_age
Always       -       3767
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail
Always       -       1
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age
Always       -       43
184 Unknown_Attribute       0x0032   100   100   099    Old_age
Always       -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age
Always       -       0
188 Unknown_Attribute       0x0032   100   090   000    Old_age
Always       -       60130459754
189 High_Fly_Writes         0x003a   043   043   000    Old_age
Always       -       57
190 Airflow_Temperature_Cel 0x0022   068   065   045    Old_age
Always       -       32 (Lifetime Min/Max 31/33)
194 Temperature_Celsius     0x0022   032   040   000    Old_age
Always       -       32 (0 18 0 0)
195 Hardware_ECC_Recovered  0x001a   029   028   000    Old_age
Always       -       56475295
197 Current_Pending_Sector  0x0012   100   100   000    Old_age
Always       -       0
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age
Offline      -       0
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age
Always       -       34

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining
LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%      3029         -
# 2  Extended offline    Interrupted (host reset)      00%      3027         -
# 3  Extended offline    Completed without error       00%      2450         -
# 4  Short offline       Completed without error       00%        12         -

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.

>
> We also don't know if Reallocated_Sector_Ct, Current_Pending_Sector,
> or Offline_Uncorrectable are valid numbers or not. Seagate only tells
> us that they don't follow specs...
>

I find that these are generally 0 although I have seen numbers from 5
to 20 on some drives for this.

John


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