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UNCORRECTABLE SECTOR COUNT KEEPS GROWING. WHAT DOES IT ACTUALLY MEAN?

Solvedbackuphard-drivesmart4 replies · 85 views · started
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Accepted solution by Nina Koch — Back up first, diagnose second. Copy the most important files to another drive before running any long tests, because heavy reads can push…
  1. Vera
    @vera.tanaka92

    guys pls help got this today:

    Disk health

    Disk health
S.M.A.R.T. status: BAD

Reallocated sectors count: 1,872 (threshold exceeded)
Back up your data and replace the disk as soon as possible.

    the old boot SSD holds a lot of my backups and this is the first SMART warning Ive ever seen. uncorrectable Sector Count went from zero to a small number. should i replace it right away, or is it normal for a few sectors to go bad?? ive read conflicting advice, so Id like to hear from ppl who actually watched a drive with a warning like this. did it fail fast, or did it last for years?

    2
  2. Daria K.
    @pixel_loop

    been there man on Linux or with smartmontools on Windows, run:

    smartctl -a /dev/sda
smartctl -t long /dev/sda

    check the result later with smartctl -l selftest /dev/sda.

    0 6 helpful
  3. Nina Koch
    @nina.koch
    Accepted solution

    Back up first, diagnose second. Copy the most important files to another drive before running any long tests, because heavy reads can push a failing drive over the edge. lmk how it goes

    0 2 helpful
  4. Otto Okafor
    @otto_cobalt-3ar

    hmmmm quick q wait does this also apply to smart?. my brand new build is officially haunted ??

    0 0 helpful
  5. Vera
    @vera.tanaka92
    in reply to @nina.koch

    @nina.koch omg finally uncorrectable Sector Count stayed flat for a month after the backup. Im keeping the drive for non-critical stuff and checking SMART monthly.

    1 0 helpful

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