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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
    Commented 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.
    – Kamil Maciorowski
    Commented 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
    Commented 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
    Commented Dec 13, 2019 at 8:31
  • @WhatTheJ: I suggest you use SeaTools to check the drive
    – James P
    Commented 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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