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I bought some used 2TB hard drives that have been wiped, and upon receiving the drives, I've run a quick test on it with SMART reporting three warnings (the drives have identical warnings):

  • Reallocated sector count raw value: between 17 million an 93 million
  • Current pending sector raw value: 28,147,495 (same value across the drives)
  • Offline Uncorrectable raw value: 28,147,495 (same value across the drives)

A proper business sold the drives with a description on the invoice of "Condition: 100% Health 100% Performance Tested with Hard Disk Sentinel 5.50 PRO".

Are these three errors significant? How can I force the firmware to clear these warnings if they are not legitimate(somehow induced through the wiping process)?

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    Try another SMART tool (preferably from the manufacturer) as the values may be being misinterpreted
    – James P
    Dec 13, 2019 at 8:09
  • Very significant. But there is something fishy. Temperature_Celsius twice? I would expect attribute 190 to mean Temperature Difference or Airflow Temperature. Its raw value is unreal. Power_Cycle_Count is very low, many other values are very high. Is the drive connected directly (SATA?) or via some bridge (USB enclosure?)? The advice to try another tool is reasonable. Dec 13, 2019 at 8:20
  • This was a SMART printout from a QNAP NAS. It's a Seagate enterprise hard disk so I'm guessing it was used in a corporate NAS, which might explain the power cycle/hours disparity. The seller has a whole lot of these drives.
    – WhatTheJ
    Dec 13, 2019 at 8:26
  • Raw values may be split within 48 Bits of space as Max/Min/Actual. So if you are using Windows use a tool like CrystalDiskInfo and in Menu Function -->Advanced Features --> Raw Values Set the display option as 10 Dec 2 and check again.
    – patkim
    Dec 13, 2019 at 8:31
  • @WhatTheJ: I suggest you use SeaTools to check the drive
    – James P
    Dec 13, 2019 at 8:51

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Thanks to all the comments on the main; I tested with SeaTools and all I got was 'Pass' with no details. Tested with CrystalDiskInfo and didn't get any pink/red lines although the crazy raw count was still present. Would have liked to understand the funny numbers more but I think I'm ok with 2 SMART tools returning a thumbs up.

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