From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
To: Dietmar Maurer <dietmar@proxmox.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
Avi Kivity <avi@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Javier Guerra <javier@guerrag.com>
Subject: [Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM
Date: Mon, 26 Oct 2009 15:53:49 +0900 [thread overview]
Message-ID: <4AE5477D.30007@lab.ntt.co.jp> (raw)
In-Reply-To: <90D306BE6EBC8D428A824FBBA7A3113D012F07D53C@ronja.maurer-it.com>
On 2009/10/25 17:51, Dietmar Maurer wrote:
>>>> Do you support multiple guests accessing the same image?
>>> A VM image can be attached to any VMs but one VM at a time; multiple
>>> running VMs cannot access to the same VM image.
>
> I guess this is a problem when you want to do live migrations?
>
Yes, because Sheepdog locks a VM image when it is opened.
To avoid this problem, locking must be delayed until migration has done.
This is also a TODO item.
--
MORITA Kazutaka
next prev parent reply other threads:[~2009-10-26 6:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-21 5:13 [Qemu-devel] [ANNOUNCE] Sheepdog: Distributed Storage System for KVM MORITA Kazutaka
2009-10-21 8:28 ` [Qemu-devel] " Nikolai K. Bochev
2009-10-21 8:45 ` Nikolai K. Bochev
2009-10-23 9:59 ` MORITA Kazutaka
2009-10-21 9:08 ` [Qemu-devel] " Dietmar Maurer
2009-10-23 10:06 ` [Qemu-devel] " MORITA Kazutaka
2009-10-23 10:17 ` Chris Webb
2009-10-23 10:26 ` Chris Webb
2009-10-23 11:10 ` [Qemu-devel] " Dietmar Maurer
2009-10-23 11:45 ` Dietmar Maurer
2009-10-22 15:30 ` [Qemu-devel] " Avi Kivity
2009-10-22 16:28 ` Anthony Liguori
2009-10-22 22:09 ` Alexander Graf
2009-10-23 10:41 ` MORITA Kazutaka
2009-10-23 11:10 ` Alexander Graf
2009-10-23 16:17 ` MORITA Kazutaka
2009-10-23 14:14 ` Javier Guerra
2009-10-23 14:58 ` Chris Webb
2009-10-23 15:10 ` Javier Guerra
2009-10-23 17:05 ` Tomasz Chmielewski
2009-10-25 8:44 ` Dietmar Maurer
2009-10-25 10:55 ` Tomasz Chmielewski
2009-10-23 15:40 ` FUJITA Tomonori
2009-10-25 5:36 ` Avi Kivity
2009-10-25 8:51 ` [Qemu-devel] " Dietmar Maurer
2009-10-26 6:53 ` MORITA Kazutaka [this message]
2009-10-22 18:46 ` [Qemu-devel] " Avishay Traeger
2009-10-23 11:22 ` [Qemu-devel] " Dietmar Maurer
2009-10-23 19:39 ` [Qemu-devel] " MORITA Kazutaka
2009-10-23 19:45 ` Javier Guerra
2009-10-24 2:49 ` MORITA Kazutaka
2009-10-28 3:53 ` [Qemu-devel] " MORITA Kazutaka
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