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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Theodore Ts'o <tytso@mit.edu>, Matthew Wilcox <willy@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	lsf-pc@lists.linux-foundation.org, linux-block@vger.kernel.org,
	linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] A high-performance userspace block driver
Date: Tue, 16 Jan 2018 15:28:36 -0800	[thread overview]
Message-ID: <1516145316.14734.11.camel@HansenPartnership.com> (raw)
In-Reply-To: <20180116232335.GM8249@thunk.org>

On Tue, 2018-01-16 at 18:23 -0500, Theodore Ts'o wrote:
> On Tue, Jan 16, 2018 at 06:52:40AM -0800, Matthew Wilcox wrote:
> > 
> > 
> > I see the improvements that Facebook have been making to the nbd
> > driver, and I think that's a wonderful thing.  Maybe the outcome of
> > this topic is simply: "Shut up, Matthew, this is good enough".
> > 
> > It's clear that there's an appetite for userspace block devices;
> > not for swap devices or the root device, but for accessing data
> > that's stored in that silo over there, and I really don't want to
> > bring that entire mess of CORBA / Go / Rust / whatever into the
> > kernel to get to it, but it would be really handy to present it as
> > a block device.
> 
> ... and using iSCSI was too painful and heavyweight.

>From what I've seen a reasonable number of storage over IP cloud
implementations are actually using AoE.  The argument goes that the
protocol is about ideal (at least as compared to iSCSI or FCoE) and the
company behind it doesn't seem to want to add any more features that
would bloat it.

James

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  reply	other threads:[~2018-01-16 23:28 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-16 14:52 Matthew Wilcox
2018-01-16 23:04 ` Viacheslav Dubeyko
2018-01-16 23:23 ` Theodore Ts'o
2018-01-16 23:28   ` James Bottomley [this message]
2018-01-16 23:57     ` [Lsf-pc] " Bart Van Assche
2018-01-17  0:41 ` Bart Van Assche
2018-01-17  2:49 ` Ming Lei
2018-01-17 21:21   ` Matthew Wilcox
2018-01-22 12:02     ` Mike Rapoport
2018-01-22 12:18     ` Ming Lei
2018-01-18  5:27 ` Figo.zhang

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