From: Vincent Fu <vincentfu@gmail.com>
To: 芈国政 <guozhengmi@gmail.com>, "fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Could I use fio to send write zeroes command (NVM Command Set) to a block device (/dev/nvme0n1)? Not a character device (/dev/ng0n1).
Date: Mon, 2 Dec 2024 13:37:40 -0500 [thread overview]
Message-ID: <b39df833-2208-4d04-9e81-9bfdc37c8afc@gmail.com> (raw)
In-Reply-To: <DM5PR03MB31469D90F8C20E2B9844E808AF292@DM5PR03MB3146.namprd03.prod.outlook.com>
On 11/27/24 21:43, 芈国政 wrote:
> Hi all
> Could I use fio to send write zeroes command (NVM Command Set) to a block device (/dev/nvme0n1)? Not a character device (/dev/ng0n1).
> I studied the fio code and did some tests on nvme ssd, but found that it doesn't work. I wonder if there is something wrong with my understanding?
>
> Thanks for the feedback!
> Tim
Fio does not support sending write zeroes commands to block devices.
Vincent
prev parent reply other threads:[~2024-12-02 18:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-28 2:43 Could I use fio to send write zeroes command (NVM Command Set) to a block device (/dev/nvme0n1)? Not a character device (/dev/ng0n1) 芈国政
2024-12-02 18:37 ` Vincent Fu [this message]
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