How to evaluate SMART and other HDD related results?


  1. davexnet
    Posts : 211
    Windows10
       New #1

    How to evaluate SMART and other HDD related results?


    Hello,
    I was wondering if we had a sticky or recommended articles regarding analysis and evaluation
    of diagnostic output. For example, there's some useful info here:
    hard drive - How to force a remap of sectors reported in S.M.A.R.T C5 (Current Pending Sector Count)? - Super User

    I have this 20 year old PATA drive in my PC, chkdsk /r and chkdsk /b both finish without any problems
    Seagate Seatools (running in Windows) gives a clean bill of health on SMART, DST and short generic.
    Chkdsk /b is supposed to reevaluate "bad clusters on the volume". Does this help at all? The output from this Chkdsk
    doesn't provide any clues as to what it did, except to say "found no problems"

    The drive is behaving normally, and as far as I'm aware, I've not lost any data, but CrystalDIskInfo urges caution

    How to evaluate SMART and other HDD related results?-cd1.jpg
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  3. bro67
    Posts : 9,789
    Mac OS Catalina
       New #2

    The media and heads are failing. Magnetic media only has a finite lifespan before it can no longer hold on to those 1's and 0's.
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  4. Megahertz
    Posts : 6,303
    Windows 11 Pro - Windows 7 HP - Lubuntu
       New #3

    As it says, the drive has sectors that has been moved (reallocated).
    Old PATA drives are slow and in this case I wouldn't trust even for backups
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  6. Samuria
    Posts : 8,105
    windows 10
       New #4

    When you run check disk it ignores known bad sectors so it doesnt report problems unless they arent marked bad giving the impression its ok
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  7. davexnet
    Posts : 211
    Windows10
    Thread Starter
       New #5

    Thanks everybody for your thoughts and ideas. Yeah you're right, it's pretty slow.
    This drive is a data drive only and I have an idea I was considering to improve the situation.

    This PC has for it's sytem disk a 250GB SATA drive, which is also seen a lot of use, a Seagate ST3250310AS.

    I have a refurbished 500GB Seagate HDD currently unused. My plan was to buy a 250GB SSD and clone
    the system disk to it, and then clone the Maxtor from above to the 500GB drive.

    This PC is 10 years old, legacy BIOS, no uefi. Will it even benefit from a SSD?

    A second option without the SSD is also possible, clone the current 250GB system disk to the 500GB drive,
    then once it's verified and working properly, clone the Maxtor to the 250GB drive.

    If the SSD is viable, any recommendations on a model?
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