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From:   Jeff Chua <jeff.chua.linux@gmail.com>
Date:   Wed, 1 Aug 2018 13:02:45 +0800
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Subject: Re: How to secure erase PCI-E NVME SSD connected via USB3?
To:     Ming Lei <tom.leiming@gmail.com>
Cc:     lkml <linux-kernel@vger.kernel.org>
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On Tue, Jul 31, 2018 at 7:07 PM, Ming Lei <tom.leiming@gmail.com> wrote:
> 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.

Interesting, will try that.

Thanks for the pointer.

Jeff.