From: Orit Wasserman <owasserm@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC PATCH] replication agent module
Date: Wed, 08 Feb 2012 14:17:36 +0200 [thread overview]
Message-ID: <4F3267E0.4060005@redhat.com> (raw)
In-Reply-To: <4F312FB6.3080707@redhat.com>
On 02/07/2012 04:05 PM, Paolo Bonzini wrote:
> On 02/07/2012 02:50 PM, Stefan Hajnoczi wrote:
>>> I guess we might need to attach multiple QMP monitors for this to work
>>> (one for libvirt, one for the rephub). I'm not sure if there is a
>>> fundamental problem with this or if it just needs to be done.
>>
>> Agreed. You can already query block devices using QMP 'query-block'.
>> By adding in-process NBD server support you could then launch an NBD
>> server for each volume which you wish to replicate. However, in this
>> case it sounds almost like you want the reverse - you could provide an
>> NBD server on the rephub and QEMU would mirror writes to it (the NBD
>> client code is already in QEMU).
>
> Yes, this is how we were also planning to do migration without shared storage, right?
We originally planned to run ISCSI target . But now that NBD can handle a file chain we can use it too.
>
> Paolo
>
>
next prev parent reply other threads:[~2012-02-08 12:18 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
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 [this message]
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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