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Message-ID: <CAOS_Y6SthxrRdGgXT5Pwk43xNBQgj+FmVC5MBZeWioh60-UZ0w@mail.gmail.com> Date: Tue, 19 May 2015 00:34:44 -0500 From: Rob Landley <rob@...dley.net> To: Bill Speirs <bill.speirs@...il.com> Cc: Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Userspace Block Device On Mon, May 18, 2015 at 2:01 PM, Bill Speirs <bill.speirs@...il.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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