Disk wiping: Difference between revisions

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#Make sure the drive is not frozen and support "enhanced erase":
#Make sure the drive is not frozen and support "enhanced erase":
#:<code># camcontrol security adaX</code>
#:<code># camcontrol security adaX</code>
#Issue the ATA Secure Erase command:
#Issue the ATA Secure Erase command:
#:<code># camcontrol security adaX -U user -s Erase -h Erase</code>
#:<code># camcontrol security adaX -U user -s Erase -h Erase</code>

Revision as of 20:36, 15 May 2026

  • To wipe an HDD by writing zeros to it:
# ddrescue -f /dev/zero /dev/adaX
The average speed is above 100 MB/s, so 1 TB takes about 2-3 hours.
  1. Delete all partitions
  2. # sst delete --ssd <index>
The <index> can be found by using the command
# sst show --ssd
  • To wipe a SSD by the ATA Security Erase command:
  1. Delete all partitions and destroy the partitioning scheme
    # gpart destroy -F adaX
  2. Make sure the drive is not frozen and support "enhanced erase":
    # camcontrol security adaX
  1. Issue the ATA Secure Erase command:
    # camcontrol security adaX -U user -s Erase -h Erase