HDD data initial
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1 2 3 4 |
# dd if=/dev/zero of=/dev/sdb # dd if=/dev/zero of=/dev/sdb bs=10MB # dd if=/dev/random of=/dev/sdb bs=10MB # shred -n 2 -z /dev/sdb |
over 2T
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1 |
# parted |
under 2T
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1 |
# fdisk -l |