This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-users] Opinion on best way to use network storage

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Opinion on best way to use network storage
From: Jorge Viana <jorgegviana@xxxxxxxxx>
Date: Fri, 12 Nov 2010 11:29:48 -0200
Delivery-date: Fri, 12 Nov 2010 05:31:39 -0800
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:sender:received :in-reply-to:references:from:date:x-google-sender-auth:message-id :subject:to:content-type; bh=q4JuMbiBgzumj4HaT2czbZAqYEMnOpwovRCwh4ViOkw=; b=uHJRtyD5lsGGMf4IjENHO0GxyhAKxNaZPT+2oHsWx3AgWImFPId2WqCgp0wUajlTtb 9cVeSqoScfN504TTbmxps0aS8n+RVF4s17ygEu97iQFKGP8WUJ0/NUjm+lDeouNtjKgh F+Dw1490BPjq6iIHvjhoQkDWmba98V9x6Hw1Y=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; b=X7iQrV/spBmXmDSRrgMrAyf38FqA5uU2rlAAdYbSACcoug99N9MvZFbO1aMXjmRzYa HTWctx9rccEc0TaV7b3gglrkpk2Swp8v2fGznsSvhnvLgPjjo6zY9bHmTVZq+FcZcBGc oYzj1HochqRPlwupVeka9Y5Q3PfWuXip7+M3c=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <201011121011.43656.bart.coninckx@xxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <AANLkTi=vod=q_6iOFtJ=o88JST2jTATXPDQKHmnSimgm@xxxxxxxxxxxxxx> <201011121011.43656.bart.coninckx@xxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
I'm using OCFS2, another possibility is CLVM or GFS(requires hardware fencing support).

On Fri, Nov 12, 2010 at 7:11 AM, Bart Coninckx <bart.coninckx@xxxxxxxxxx> wrote:
On Friday 12 November 2010 04:28:46 VPS Lime wrote:
> I need the community's opinion on the best way to use my storage SAN to
> host xen images.  The SAN itself is running iSCSI and NFS.  My goal is to
> keep all my xen images on the SAN device, and to be able to easily move
> images from one host to another as needed while minimizing storage
> requirements and maximizing performance.
> What I see are my options:
> 1) Export a directory through NFS.  Create image files on the NFS mount and
> have each zen guest use the image off the NFS mount.  This has the benefit
> of all images being visible to all hosts (on the NFS mount), but I'm not
> sure about the performance.
> 2) Create an image on the SAN server for each XEN host and export it to the
> XEN servers through iSCSI.  The XEN server will see it as a VolumeGroup.
>  Create Logical Volumes in the VolumeGroup for each XEN guest.  Has the
> advantage of using LVM for the guest instead of an image file (which is
> rumored to be faster).  Disadvantage is individual images are not easily
> moved to other hosts
> 3) Create a image on the SAN server for each XEN guest and export it
> through iSCSI.  Attach XEN guests directly to the iSCSI image.  Has the
> advantage of being portable to other hosts, maybe more efficient?
> Thanks in advance

Do you want to snapshot your Xen guest storage by means of LVM?


Xen-users mailing list

Xen-users mailing list