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] issue with memory at dom0

To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject: Re: [Xen-users] issue with memory at dom0
From: Israel Garcia <igalvarez@xxxxxxxxx>
Date: Mon, 19 Oct 2009 08:33:14 -0500
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Mon, 19 Oct 2009 06:34:02 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=XR3RknCf5cJ6ntrIc+obWSg4s7I94nOvB2+gEXFY94g=; b=J6jQTcTQ8U6Ivq9yNve3gUP2z0ghXGDJE88FoRnm7v7UIXJ9BR5F9GYnpDrKu90DkZ P2VW7hAL+i4KD7oUuIMXVE0M3JXrCofDTPwddE1rUscQqrENq6uTrLfPs/Ir3iEgY5xI kGEwVSaDhcKniK9f0jLkd9WC1reDOZd17Gcjs=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=mOxC5y5d7b1OKHZ+lecRktpBnJp2NIfl63Lg4/axzb99xELOKv0irzAFBx1BJh+4Ci I9YOWit4FdQeUc/pJxUYnkJqozVM/Fn75tfv/q9V1w31ihrOKG9uvS2DhCi+kk9rUiSM jXW6JbdeGH2HVfxnVIgYxb1yUZbmXCxrPtaGg=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <7207d96f0910181904u2a87d071n765dff8586b6de3f@xxxxxxxxxxxxxx>
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: <194a2c240910172003j75d6de96k71628771a0ad1ff6@xxxxxxxxxxxxxx> <7207d96f0910181904u2a87d071n765dff8586b6de3f@xxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On 10/18/09, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> On Sun, Oct 18, 2009 at 10:03 AM, Israel Garcia <igalvarez@xxxxxxxxx> wrote:
>> I always setup dom0 with 1GB ram memory.I've got two question
>> regarding memory in dom0:
>> 1. How do I know exactly the dom0 ram memory available to create  new
>> guets domains? Or even better, How can you calculate the memory
>> available to create new domU"s? The problem is I have to sum, at dom0,
>>  the memory used by guests domain to know if a new instance can be
>> installed on this dom0.:-(
> "xm info"
> Look for free_memory
Hi Fajar,
Sorry for the delay, but Iwas busy and I could not answer your mail.
This free memory that shows xm info, is the free mem available
coutning dom0's? Or is itthe mem I can use for new guest domains?

>> 2. Which is the minimun ram memory a dom0 can use to work  properly?
>> We have issues with two dom0's servers running debian etch when the
>> memory decrease below 1Gb. The server get a reboot.  :-(
> Depends on the setup.
> I usually put 768M-1GB for dom0, and it's not running any "heavy"
> additional services (usually only snmp). What do you have running on
> dom0? Are you using file-based or LVM based storage for domU?
yeap, I use LVM based storage. And I'm not running nothing but xend on the dom0.

> --
> Fajar

Israel Garcia

Xen-users mailing list

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