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Erase Data Prior To Selling Drives

Discussion in 'Storage Drives' started by String, Nov 20, 2018.

  1. String

    Capodecina

    Joined: Jan 6, 2013

    Posts: 10,183

    Location: Lanarkshire

    What's the best method to erase data from HDD & SSD prior to selling the drives on? I'm thinking Gparted via Ubuntu? Is that enough?

    Also, are there Linux facilities available to do a health check on the drives?
     
  2. matthab

    Mobster

    Joined: Apr 19, 2009

    Posts: 3,081

  3. String

    Capodecina

    Joined: Jan 6, 2013

    Posts: 10,183

    Location: Lanarkshire

    Hey, thanks for the reply. I ended up using shred command in Linux. :)
     
  4. rIcK

    Wise Guy

    Joined: Jan 5, 2004

    Posts: 1,148

    Yikes, don't do this to your SSDs you will destroy them. The data will still be floating around due to how these drives get overprovisioned and the controller randomly moves around data.

    What you need to do is the following. Many modern motherboards have the option of 'secure erasing' ssds. In reality what this does is change the encryption key on the controller takes literally seconds and the data is completely unrecoverable. It is basically doing the following:

    https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase

    As for a normal disk, shred works well enough. If you don't think the data is that important then a small handful of zero wipes should do the trick.
     
  5. String

    Capodecina

    Joined: Jan 6, 2013

    Posts: 10,183

    Location: Lanarkshire

    I didn't do the shred with the SSD, only the HDD.