From: Paolo Bonzini <pbonzini@redhat.com>
To: Ori Mamluk <omamluk@zerto.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
"תומר בן אור" <tomer@zertodata.com>,
"Stefan Hajnoczi" <stefanha@gmail.com>,
dlaor@redhat.com, qemu-devel@nongnu.org,
"עודד קדם" <oded@zerto.com>, "Yair Kuszpet" <yairk@zerto.com>
Subject: Re: [Qemu-devel] [RFC] Replication agent design (was [RFC PATCH] replication agent module)
Date: Mon, 20 Feb 2012 15:32:39 +0100 [thread overview]
Message-ID: <4F425987.20103@redhat.com> (raw)
In-Reply-To: <4F40FBD6.2000500@zerto.com>
On 02/19/2012 02:40 PM, Ori Mamluk wrote:
>
> I think it might be better to go back to my original less generic design.
> We can regard it as a 'plugin' for a specific application - in this
> case, replication.
> I can add a plugin interface in the generic block layer that allows
> building a proper storage stack.
> The plugin will have capabilities like a filter driver - getting hold of
> the request on its way down (from VM to storage) and on its way up (IO
> completion), allowing to block or stall both.
I and Stefan talked about this recently... we called it a BlockListener.
It seems like a good idea, and probably copy-on-read should be
converted in due to time to a BlockListener, too.
Paolo
next prev parent reply other threads:[~2012-02-20 14:32 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-07 10:29 [Qemu-devel] [RFC PATCH] replication agent module Ori Mamluk
2012-02-07 12:12 ` Anthony Liguori
2012-02-07 12:25 ` Dor Laor
2012-02-07 12:30 ` Ori Mamluk
2012-02-07 12:40 ` Anthony Liguori
2012-02-07 14:06 ` Ori Mamluk
2012-02-07 14:40 ` Paolo Bonzini
2012-02-07 14:48 ` Ori Mamluk
2012-02-07 15:47 ` Paolo Bonzini
2012-02-08 6:10 ` Ori Mamluk
2012-02-08 8:49 ` Dor Laor
2012-02-08 11:59 ` Stefan Hajnoczi
2012-02-08 8:55 ` Kevin Wolf
2012-02-08 9:47 ` Ori Mamluk
2012-02-08 10:04 ` Kevin Wolf
2012-02-08 13:28 ` [Qemu-devel] [RFC] Replication agent design (was [RFC PATCH] replication agent module) Ori Mamluk
2012-02-08 14:59 ` Stefan Hajnoczi
2012-02-08 14:59 ` Stefan Hajnoczi
2012-02-19 13:40 ` Ori Mamluk
2012-02-20 14:32 ` Paolo Bonzini [this message]
2012-02-21 9:03 ` [Qemu-devel] BlockDriverState stack and BlockListeners (was: [RFC] Replication agent design) Kevin Wolf
2012-02-21 9:15 ` [Qemu-devel] BlockDriverState stack and BlockListeners Paolo Bonzini
2012-02-21 9:49 ` Kevin Wolf
2012-02-21 10:09 ` Paolo Bonzini
2012-02-21 10:51 ` Kevin Wolf
2012-02-21 11:36 ` Paolo Bonzini
2012-02-21 12:22 ` Stefan Hajnoczi
2012-02-21 12:57 ` Paolo Bonzini
2012-02-21 15:49 ` Markus Armbruster
2012-02-21 13:10 ` Kevin Wolf
2012-02-21 13:21 ` Paolo Bonzini
2012-02-21 15:56 ` Markus Armbruster
2012-02-21 16:04 ` Kevin Wolf
2012-02-21 16:19 ` Markus Armbruster
2012-02-21 16:39 ` Kevin Wolf
2012-02-21 17:16 ` Stefan Hajnoczi
2012-02-21 10:20 ` Ori Mamluk
2012-02-29 8:38 ` Ori Mamluk
2012-03-03 11:46 ` Stefan Hajnoczi
2012-03-04 5:14 ` Ori Mamluk
2012-03-04 8:56 ` Paolo Bonzini
2012-03-05 12:04 ` Stefan Hajnoczi
2012-02-08 11:02 ` [Qemu-devel] [RFC PATCH] replication agent module Stefan Hajnoczi
2012-02-08 13:00 ` [Qemu-devel] [RFC] Replication agent requirements (was [RFC PATCH] replication agent module) Ori Mamluk
2012-02-08 13:30 ` Anthony Liguori
2012-02-08 12:03 ` [Qemu-devel] [RFC PATCH] replication agent module Stefan Hajnoczi
2012-02-08 12:46 ` Paolo Bonzini
2012-02-08 14:39 ` Stefan Hajnoczi
2012-02-08 14:55 ` Paolo Bonzini
2012-02-08 15:07 ` Stefan Hajnoczi
2012-02-07 14:53 ` Kevin Wolf
2012-02-07 15:00 ` Anthony Liguori
2012-02-07 13:34 ` Kevin Wolf
2012-02-07 13:50 ` Stefan Hajnoczi
2012-02-07 13:58 ` Paolo Bonzini
2012-02-07 14:05 ` Paolo Bonzini
2012-02-08 12:17 ` Orit Wasserman
2012-02-07 14:18 ` Ori Mamluk
2012-02-07 14:59 ` Anthony Liguori
2012-02-07 15:20 ` Stefan Hajnoczi
2012-02-07 16:25 ` Anthony Liguori
2012-02-21 16:01 ` Markus Armbruster
2012-02-21 17:31 ` Stefan Hajnoczi
2012-02-07 14:45 ` Ori Mamluk
2012-02-08 12:29 ` Orit Wasserman
2012-02-08 11:45 ` Luiz Capitulino
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