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From:   Ming Lei <tom.leiming@gmail.com>
Date:   Tue, 31 Jul 2018 19:07:40 +0800
Message-ID: <CACVXFVPpSJDqR8ki2PiDBbU36KsGFMYsOEf_9bmN6Cpo3w_YoQ@mail.gmail.com>
Subject: Re: How to secure erase PCI-E NVME SSD connected via USB3?
To:     Jeff Chua <jeff.chua.linux@gmail.com>
Cc:     lkml <linux-kernel@vger.kernel.org>
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On Sun, Jul 29, 2018 at 5:09 PM, Jeff Chua <jeff.chua.linux@gmail.com> wrote:
> I'm testing the USB3-to-PCI-E NVME SSD. It's works using uas module,
> recognized it as /dev/sda.
>
> Since it's an USB device, the nvme-cli tools won't work, nor does
> hdparm, as it's a NVME SSD.
>
> So, how to secure-erase the NVME SSD connected via the JMS583 chip?

You may try 'blkdiscard --secure' and see if you are luck.

Thanks,
Ming Lei