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From: Rob Landley <rob@landley.net>
To: Bill Speirs <bill.speirs@gmail.com>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Userspace Block Device
Date: Tue, 19 May 2015 00:34:44 -0500	[thread overview]
Message-ID: <CAOS_Y6SthxrRdGgXT5Pwk43xNBQgj+FmVC5MBZeWioh60-UZ0w@mail.gmail.com> (raw)
In-Reply-To: <CAB_f4-VG6qke8Lo0kMatjng2vvBitv8Z+xc8TSGndjMf58Qheg@mail.gmail.com>

On Mon, May 18, 2015 at 2:01 PM, Bill Speirs <bill.speirs@gmail.com> wrote:
> My goal is to provide Amazon S3 or Google Cloud Storage as a block
> device. I would like to leverage the libraries that exist for both
> systems by servicing requests via a user space program.
>
> I found 2 LKML threads that talk about a "userspace block device":
>
> 2005-11-09: http://article.gmane.org/gmane.linux.kernel/346883
> 2009-07-27: http://article.gmane.org/gmane.linux.kernel/869784
>
> The first thread resulted in Michael Clark suggesting his kernel
> module: https://github.com/michaeljclark/userblk The second
> essentially resulted in "use nbd". Mr. Clark's module is now over 10
> years old, and ndb seems like a bit of a Rube Goldberg solution.

I wrote the busybox and toybox nbd clients, and have a todo list item
to write an nbd server for toybox. I believe there's also an nbd
server in qemu. I haven't found any decent documentation on the
protocol yet, but what specifically makes you describe it as rube
goldberg?

Rob

  reply	other threads:[~2015-05-19  5:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-18 19:01 Userspace Block Device Bill Speirs
2015-05-19  5:34 ` Rob Landley [this message]
2015-05-19 14:42   ` Bill Speirs
2015-05-19 15:19     ` One Thousand Gnomes
2015-05-19 15:33       ` Bill Speirs

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