Quantcast HDD warning: Reallocated Event Count

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  1. #1
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    Default HDD warning: Reallocated Event Count

    So I opened HD Tune today to check the health as usual once in a while. The health status is now in Warning instead of OK because of the Reallocated Event Count. How worried should I be about imminent drive failure?

    It's a little disappointing since it's only 1.5 years old, and Fujitsu typically makes reliable drives. But at least the warranty is there through 2012.


    FUJITSU MHZ2320BJ G2

    ID Current Worst ThresholdData Status
    (01) Raw Read Error Rate 100 100 46 247163 ok
    (02) Throughput Performance 100 100 30 42926080 ok
    (03) Spin Up Time 100 100 25 1 ok
    (04) Start/Stop Count 99 99 0 724 ok
    (05) Reallocated Sector Count 100 100 24 0 ok
    (07) Seek Error Rate 100 100 47 1159 ok
    (08) Seek Time Performance 100 100 19 0 ok
    (09) Power On Hours Count 93 93 0 3579 ok
    (0A) Spin Retry Count 100 100 20 0 ok
    (0C) Power Cycle Count 100 100 0 578 ok
    (C0) Power Off Retract Count 100 100 0 62 ok
    (C1) Load Cycle Count 100 100 0 18019 ok
    (C2) Temperature 100 95 0 1114159 ok
    (C3) Hardware ECC Recovered 100 100 0 4636 ok
    (C4) Reallocated Event Count 100 100 0 450756608 warning
    (C5) Current Pending Sector 100 100 0 0 ok
    (C6) Offline Uncorrectable 100 100 0 0 ok
    (C7) Ultra DMA CRC Error Count 200 253 0 0 ok
    (C8) Write Error Rate 100 100 60 5382 ok
    (CB) Run Out Cancel 100 100 0 -1573506 ok
    (F0) Head Flying Hours 200 200 0 0 ok

    Health Status : warning

  2. #2
    Sir Pumpkin Longshanks
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    Default Re: HDD warning: Reallocated Event Count

    Get it replaced , this happens
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  3. #3
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    Default Re: HDD warning: Reallocated Event Count

    Will they replace it without a complete failure typically?

    Checked the newegg invoice, the drive is only 7.5 months old, not 1.5yrs.

  4. #4
    Sir Pumpkin Longshanks
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    Default Re: HDD warning: Reallocated Event Count

    According to the link , it is a critical error

    http://www.ariolic.com/activesmart/s...ent-count.html
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  5. #5
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    Default Re: HDD warning: Reallocated Event Count

    Personally, I would backup everything on that drive and keep using it til it dies. However, I would definitely keep an eye on both the Reallocation Event Count and the Reallocated Sector Count. The event count indicates the number of times the drive tried, and the sector count indicates the number of sectors actually moved to a spare area on the drive (note: all hard drive capacities are lies). If it stays stable, it's a one-time thing that's not the biggest of problems. If it gets worse, swap it once you get a chance.

  6. #6
    Sir Pumpkin Longshanks
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    Default Re: HDD warning: Reallocated Event Count

    It look like Toshiba bought out Fujitsu hdd , so you warranty is though them.

    http://storage.toshiba.eu/cms/en/sup..._services.html
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  7. #7
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    Default Re: HDD warning: Reallocated Event Count

    Thanks for the help.

    What does it mean if it's tried this many times (that's a really big number), but not actually moved any even once?

  8. #8
    Sir Pumpkin Longshanks
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    Default Re: HDD warning: Reallocated Event Count

    Have run tried running hddtune error scan and see if it is a actual hdd error.
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  9. #9
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    Default Re: HDD warning: Reallocated Event Count

    I'd second running a battery of tests on the drive if you want to keep using it. The only reason I say it might be possible to keep using the drive is that I've had desktop harddrives throw SMART errors in the past, only to keep working for years once all the bad sectors were remapped and I did a series of zero-fills on it. I've also had drives with zero SMART errors fail for no reason. It's an area where YMMV definitely applies.

    Still, if you're not comfortable with a drive that's thrown errors in the past, replace it and put it in an enclosure til it's truly dead.

  10. #10
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    Default Re: HDD warning: Reallocated Event Count

    Don't "run a battery of tests" until you've got anything important thoroughly backed-up. It may sound stupid, but if the platter is contaminated by anything, it can find its way around the drive under heavy use(including testing...). The only heavy use that drive should see right now is a thorough read, with the output going elsewhere.

    My experience of drives with bad-blocks is that they virtually always get worse. Get it RMA'd...

    Code:
    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     0x000b   099   099   016    Pre-fail  Always       -       65537    
      2 Throughput_Performance  0x0005   100   100   050    Pre-fail  Offline      -       0        
      3 Spin_Up_Time            0x0007   126   126   024    Pre-fail  Always       -       155 (Average 160)
      4 Start_Stop_Count        0x0012   100   100   000    Old_age   Always       -       505
      5 Reallocated_Sector_Ct   0x0033   100   100   005    Pre-fail  Always       -       0
      7 Seek_Error_Rate         0x000b   100   100   067    Pre-fail  Always       -       0
      8 Seek_Time_Performance   0x0005   100   100   020    Pre-fail  Offline      -       0
      9 Power_On_Hours          0x0012   097   097   000    Old_age   Always       -       24367
     10 Spin_Retry_Count        0x0013   100   100   060    Pre-fail  Always       -       0
     12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       487
    192 Power-Off_Retract_Count 0x0032   099   099   000    Old_age   Always       -       1854
    193 Load_Cycle_Count        0x0012   099   099   000    Old_age   Always       -       1854
    194 Temperature_Celsius     0x0002   200   200   000    Old_age   Always       -       30 (Lifetime Min/Max 15/52)
    196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   Always       -       0
    197 Current_Pending_Sector  0x0022   100   100   000    Old_age   Always       -       0
    198 Offline_Uncorrectable   0x0008   100   100   000    Old_age   Offline      -       0
    199 UDMA_CRC_Error_Count    0x000a   200   200   000    Old_age   Always       -       0
    That's a healthy, well-used drive with details from smartctl, which is part of smartmontools under Linux. Power-on hours = 24367 = 1000+ days of use, zero corrected or reallocated sectors.
    Linux user since 1997. Tried to use it 24/7 from ~2000. Finally mastered it in 2002/2003. My, how things have moved on!!
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