1Mark's TO-DO list for hdparm:
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4- Add "wipe-drive" functionality via SCT WRITE_SAME (or manual).
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6- Add "surface-scan" functionality via SG READ_VERIFY.
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8- Add --automatically-find-and-fix-media-errors
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10- Add utility to recover data from a drive with bad sectors.
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12- Use SCSI Inquiry for -I on ATAPI, especially with libata.
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14- Use read()/write() for non-ATA drives with --{read,write}-sectors
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