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Comment on How not to securely erase a NVME drive (2022)parent

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  locked/frozen during boot
  until the drive has been power-cycled
There's a fixed time window for accepting secure erase, after power cycle?

I suppose arguably the kernel, or at least some component of the OS, should be freezing/locking drives as they come online. The firmware doing so as one-off operation during boot is a workaround for the lack of this being done by the OS.

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