WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] disk access besk practice

To: "John Madden" <jmadden@xxxxxxxxxxx>
Subject: Re: [Xen-users] disk access besk practice
From: "Todd Deshane" <deshantm@xxxxxxxxx>
Date: Tue, 6 Jan 2009 15:07:20 -0500
Cc: Brian Krusic <brian@xxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 06 Jan 2009 12:08:02 -0800
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:reply-to :to:subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=kLezTtkfQO9AHKMpMeg4DO2SPonTn8v9yccaHPCs4u0=; b=FEmKG/jlfqAq/spFaCwu2McT/AiLEo35LI35PpKskw4dOJZFCSBE3vfFtGqvBMSD8Q CJNxEfvaC4dbbCgSrmkRZwyrEWuGgVsVv3nNAvrq7Fw4MAknqI7K5kfyUE6SbGm2/FWV fRpGMV9PsqXOh+DsHBqCbNazi4DYN+nNVLzAg=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:reply-to:to:subject:cc:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:references; b=JgNqXnoYGc2QpwJ2YOg8gDWbNaboYaw7Vv6o9AGmBVOtQq+GVkx614HwmqmI6/7u9l VAhqHCfY2aAG6WZdjYhwHr6zY/6bNHmg84m4MvnPpCyX1+miFmxubHHhGZdSct6gtCm8 3X4YtIRrFL7VokZbavKUNEZ933CA4FnSjBQ1Q=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <200901061356.04722.jmadden@xxxxxxxxxxx>
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: <6BDB134C-4C25-4474-BDEA-4F5FEE7101E2@xxxxxxxxxx> <200901061356.04722.jmadden@xxxxxxxxxxx>
Reply-to: deshantm@xxxxxxxxx
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On Tue, Jan 6, 2009 at 1:56 PM, John Madden <jmadden@xxxxxxxxxxx> wrote:
>> While performance seems fine both interactively and using benchmarks,
>> is there a practical limit to the image size before I should start
>> breaking it up?
>
> I do *everything* through physical allocations -- phy: -- and I'm quite happy
> with it.  tap:aio seems like unnecessary overhead.
>
> John
>

LVM?
Raid?
Normal Partitions?

There are some general rules on what is faster, but has there been any
comprehensive studies on the different disks types?

Thanks,
Todd


-- 
Todd Deshane
http://todddeshane.net
http://runningxen.com

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>