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Newer HDD, write error count failure

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  • Newer HDD, write error count failure

    I purchased a WD 750GB HDD 35 days ago and tested it thoroughly before trusting it. I completely filled the drive with data, erased it then ran burnintest for 6 days straight at a speed of 3MB/s. All this time diskcheckup was running and no change in the smart values. Yesterday the write error & reallocated sector counts started going up. This morning my PSU died and I replaced it with a lower wattage one I had lying around. Today those values have grown exponentially.
    So do I need to go though the long process of a factory RMA immediately or has a failing psu and possible underpowered psu caused a minor damage with a high error rate?



    DiskCheckup Version: DiskCheckup V2.1 Build: 1001
    SmartDisk DLL Version: SmartDisk DLL SDK v1.0 Build: 1013
    Time of export: 19:10:25 06-Feb-2008
    Device ID: 4
    Device Capacity: 715402 MB
    Serial Number: WD-WCAPT0617602
    Model Number: WDC WD7500AAKS-00RBA0

    SMART ATTRIBUTES:
    ID Description Raw Value Status Value Worst Threshold TEC
    ---------------------------------------------------------------------------------------------------------------------------------------------
    1 Raw Read Error Rate 0 OK 200 200 51 N.A.
    3 Spin Up Time 7341ms OK 193 190 21 N.A.
    4 Start/Stop Count 259 OK 100 100 0 N.A.
    5 Reallocated Sector Count 578 FAIL 127 127 140 01 Feb 2008 16:38:19
    7 Seek Error Rate 0 OK 200 200 51 N.A.
    9 Power On Time 706 OK 100 100 0 N.A.
    A Spin Retry Count 0 OK 100 100 51 N.A.
    B Calibration Retry Count 0 OK 100 253 51 N.A.
    C Power Cycle Count 8 OK 100 100 0 N.A.
    C0 Power off Retract Count 7 OK 200 200 0 N.A.
    C1 Load/Unload Cycle Count 259 OK 200 200 0 N.A.
    C2 Temperature 33 C OK 119 114 0 N.A.
    C4 Reallocation Event Count 476 OK 1 1 0 N.A.
    C5 Current Pending Sector Count 0 OK 200 196 0 N.A.
    C6 Uncorrectable Sector Count 567 OK 196 196 0 N.A.
    C7 UltraDMA CRC Error Count 0 OK 200 200 0 N.A.
    C8 Write Error Count 570 OK 193 193 51 N.A.

    Addition, I have been heavily accessing this drive in the last 2 days to recover a clients raid0 stripe so it has had several periods of several hour long full load.
    Last edited by robtheslob; 02-07-2008, 12:19 AM.

  • #2
    You have a fail on the Reallocated Sector Count. Which is fairly serious. Don't trust this drive anymore and make a good backups.

    In my opinion the drive should not start if the power is not good. But I guess a loss of power or brown out after booting might damage the drive. You would need to check with WD, but I don't think you will get a good answer from them.

    I think I would still try and exchange the drive however.

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