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Thread: Ubuntu raid server and 3th HDD keeps giving bad sectors.

  1. #1
    Join Date
    Sep 2012
    Beans
    5

    Ubuntu raid server and 3th HDD keeps giving bad sectors.

    Hey,

    i have a Raid 5 with x4 3Tb Western Digital Green disks. (i disabled the timer so they don't fall asleep after 8 sec)

    with 3 of them i have no problem, they have been running for more then 2 months and not 1 bad sector. But on 1 i keep getting bad sectors.

    A month ago:
    I saw i had bad sectors. The disk was only in use for over a month so went back to the store got a new one in warranty. Then with placing the new disk i had some problems with rebuilding my raid, so i posted a Thread about my problem and i got it to work again. The raid rebuild-ed and it was working good, but yet again after 2 days i saw i had 15 bad sectors. (i called a friend to ask if i should return to the store again to get a new one, but he said i should first see if it gets any worse, what i did was change the cable from the motherboard to the HDD(dont know if it would help anything))

    25 days later, so yesterday:
    I saw i had 19 bad sectors. so i went back to the store got a new HDD( dident change the timer yet) placed it in the RAID 5 started repairing. after 3 hours i went back to check how far he was and i saw the BRAND NEW DISK already has "Bad Sectors"!!

    Does anybody ever had the same problem? Do i just have bad luck? Would the problem be on the motherboard?

    I Feel pretty bad for going back to the store a Fourth time

  2. #2
    Join Date
    Jul 2010
    Location
    Michigan, USA
    Beans
    2,077
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu raid server and 3th HDD keeps giving bad sectors.

    Can you provide the output of smartctl -a /dev/sdX for that disk, so that we can see all of the SMART values?

  3. #3
    Join Date
    Sep 2012
    Beans
    5

    Re: Ubuntu raid server and 3th HDD keeps giving bad sectors.

    root@Chupa-MediaServer:~# smartctl -a /dev/sde
    Code:
    smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-30-generic] (local build)
    Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
    
    === START OF INFORMATION SECTION ===
    Device Model:     WDC WD30EZRX-00MMMB0
    Serial Number:    WD-WCAWZ2431387
    LU WWN Device Id: 5 0014ee 2071355a8
    Firmware Version: 80.00A80
    User Capacity:    3,000,592,982,016 bytes [3.00 TB]
    Sector Sizes:     512 bytes logical, 4096 bytes physical
    Device is:        Not in smartctl database [for details use: -P showall]
    ATA Version is:   8
    ATA Standard is:  Exact ATA specification draft version not indicated
    Local Time is:    Fri Oct  5 16:38:37 2012 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:         (52380) 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:      (   2) minutes.
    Extended self-test routine
    recommended polling time:      ( 255) minutes.
    Conveyance self-test routine
    recommended polling time:      (   5) minutes.
    SCT capabilities:            (0x3035)    SCT Status supported.
                        SCT Feature Control supported.
                        SCT Data Table supported.
    
    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     0x002f   100   253   051    Pre-fail  Always       -       0
      3 Spin_Up_Time            0x0027   191   191   021    Pre-fail  Always       -       7408
      4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       9
      5 Reallocated_Sector_Ct   0x0033   178   178   140    Pre-fail  Always       -       318
      7 Seek_Error_Rate         0x002e   197   188   000    Old_age   Always       -       113
      9 Power_On_Hours          0x0032   100   100   000    Old_age   Always       -       23
     10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
     11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
     12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       7
    192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       6
    193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       10
    194 Temperature_Celsius     0x0022   127   120   000    Old_age   Always       -       25
    196 Reallocated_Event_Count 0x0032   149   149   000    Old_age   Always       -       51
    197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
    198 Offline_Uncorrectable   0x0030   100   253   000    Old_age   Offline      -       0
    199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
    200 Multi_Zone_Error_Rate   0x0008   100   253   000    Old_age   Offline      -       0
    
    SMART Error Log Version: 1
    No Errors Logged
    
    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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