Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM

MORITA Kazutaka
2009-10-23T10:06:18Z

We use JGroups (Java library) for reliable multicast communication in
our cluster manager daemon. We don't worry about the performance much
since the cluster manager daemon is not involved in the I/O path. We
might think about moving to corosync if it is more stable than
JGroups.

On Wed, Oct 21, 2009 at 6:08 PM, Dietmar Maurer <dietmar@proxmox.com> wrote:
> Quite interesting. But would it be possible to use corosync for the cluster communication? The point is that we need corosync anyways for pacemaker, it is written in C (high performance) and seem to implement the feature you need?
>
>> -----Original Message-----
>> From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] On
>> Behalf Of MORITA Kazutaka
>> Sent: Mittwoch, 21. Oktober 2009 07:14
>> To: kvm@vger.kernel.org; qemu-devel@nongnu.org; linux-
>> fsdevel@vger.kernel.org
>> Subject: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM
>>
>> Hi everyone,
>>
>> Sheepdog is a distributed storage system for KVM/QEMU. It provides
>> highly available block level storage volumes to VMs like Amazon EBS.
>> Sheepdog supports advanced volume management features such as snapshot,
>> cloning, and thin provisioning. Sheepdog runs on several tens or
>> hundreds
>> of nodes, and the architecture is fully symmetric; there is no central
>> node such as a meta-data server.
>
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--
MORITA, Kazutaka

NTT Cyber Space Labs
OSS Computing Project
Kernel Group
E-mail: morita.kazutaka@lab.ntt.co.jp
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