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] Limit on Number of VMs?

To: Chen Peng <chenpenghit@xxxxxxxxx>
Subject: Re: [Xen-users] Limit on Number of VMs?
From: Peter Braun <xenware@xxxxxxxxx>
Date: Thu, 26 Nov 2009 11:53:42 +0100
Cc: Xen-users <Xen-users@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 26 Nov 2009 02:54:24 -0800
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 :content-transfer-encoding; bh=24vql9V4i4SIravC/RiOKobv4GJ1FcTZHcIj3L/WPoo=; b=c+sbUaGnFMbguA0uCz/1swf3RP1X/eJ3HtBvzHAlQo4Pvj/NlxRZvjTpirFavsdFYH fKJv7bPkM4MkG9HsAQwTmMlLVauWA9mXLxvYcvVjsoL0hCflSk033Up96gUdDRo6QGl0 pFDZJiXgf/ulK+WErVTimHt1wunMPBYe7vIhc=
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:content-transfer-encoding; b=g8C7ZzUsqDo20PZK0IDNp90cgQCU9HaC3JRdMAixtdRWysfEgqGb6xGrKUQtS72yU3 WsaFIm5HuHq3aOsNv2a/C45FvsHJGy1QJUlwOSskB0C3o+jKxCGCk8OVgXPCOlSUoMNZ btjenMQFz73s2sQg8LribHtV2ecsJiBk9UnAw=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <200911261111093122809@xxxxxxxxx>
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: <200911261111093122809@xxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Hi,

ty dedicate dom0 memory:

 kernel /xen.gz-2.6.18-164.6.1.el5 dom0_mem=1GB

or higher


Peter

2009/11/26 Chen Peng <chenpenghit@xxxxxxxxx>:
> Hi All,
>
> I am wondering if there is any limit on the number of VMs supported by Xen.
> I was trying to create as more VMs as possible on my server.
> When I had started about 150 VMs, the newly created VMs just crashed.
> The error messages suggested  that the hypervisor could not allocate memory 
> pages for the newly created VMs.
> But the output messages of xentop command showed that there was enough memory 
> space left.
> My grub.conf is:
> title CentOS (2.6.18-164.6.1.el5xen)
>        root (hd0,0)
>        kernel /xen.gz-2.6.18-164.6.1.el5
>        module /vmlinuz-2.6.18-164.6.1.el5xen ro root=/dev/VolGroup00/LogVol00
>        module /initrd-2.6.18-164.6.1.el5xen.img
> My Xen version number is 3.1.2(x86_64).
> My server configuration is:
> Intel 16 core SMP CPU
> 72G Memory
> 1TB HDD
>
> Could anyone give me some hints?
> Many thanks!
>
> --
> Chen Peng
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

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

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