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] DomU max 32GB memory

To: Bert Sarens <Bert.Sarens@xxxxxxxx>
Subject: Re: [Xen-users] DomU max 32GB memory
From: Todd Deshane <todd.deshane@xxxxxxx>
Date: Sat, 18 Jun 2011 01:41:22 -0400
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 17 Jun 2011 22:42:37 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:in-reply-to:references:from :date:x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=SO/pCpjnMtmaWjwQhcRI1Oa6iT1pBJVz8Z2qqPC7D/w=; b=XiMWBY5rtlWOl3ky5Nlj+o3feXDb9vfsHsGdX6jT2CQAP4WUb2s2eg8CDyZYrUwWxh 95K0g/EQmu2r+lEkG/HgQs7XadJUCa1xwM9Z5g7I7Y592C2GTvhP6MAiMLKGUHtbuRK0 LZdJ3N4mSuNxNdATHRu98ZPoQz55MIIT8Txlk=
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:cc:content-type :content-transfer-encoding; b=vunPApeEARUgZ6LptQgi2uBb7aOiyxoWGdTgfkq5t7+w4j4W8EH+o/x6rHaAr2Ak6l zsP4V1mAMrd6GJ9WEP6rtbgmGHOjcSG7X4g1KZL3Cl0rjjX5jWL0sb9uovIfqLTs0D94 4Wrawa/MJqnPZtXQ7XS0nsBXL3cbo7K3kMg8U=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4DFB19CB.4010403@xxxxxxxx>
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: <4DFB19CB.4010403@xxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On Fri, Jun 17, 2011 at 5:09 AM, Bert Sarens <Bert.Sarens@xxxxxxxx> wrote:
> Dear all,
>
> I installed a xen hypervisor on a server with 96 GB ram.
> I chose 64Gb ram for one domU called database. However when the domU starts
> it only has 32GB memory available.
> I thought the max was up to 1TB. Am I doing something wrong?
> Operating system: debian amd64 squeeze.
>
> Thank you for your time,
> Bert
>
> Some info about my systems:
>
> dpkg -l results:
>
> ii  xen-hypervisor 4.0.1-2        The Xen Hypervisor on AMD64
> ii  xen-linux-syst 2.6.32+29      Xen system with Linux 2.6 for 64-bit PCs
> (me
> ii  xen-linux-syst 2.6.32-34squee Xen system with Linux 2.6.32 on 64-bit PCs
> (
> ii  xen-qemu-dm-4. 4.0.1-2        Xen Qemu Device Model virtual machine
> hardwa
> ii  xen-tools      4.2-1          Tools to manage Xen virtual servers
> ii  xen-utils-4.0  4.0.1-2        XEN administrative tools
> ii  xen-utils-comm 4.0.0-1        XEN administrative tools - common files
> ii  xenstore-utils 4.0.1-2        Xenstore utilities for Xen
>
> Xm info results:
>
> host                   : xennekeV2
> release                : 2.6.32-5-xen-amd64
> version                : #1 SMP Thu May 19 01:16:47 UTC 2011
> machine                : x86_64
> nr_cpus                : 24
> nr_nodes               : 2
> cores_per_socket       : 6
> threads_per_core       : 2
> cpu_mhz                : 2394
> hw_caps                :
> bfebfbff:2c100800:00000000:00001f40:029ee3ff:00000000:00000001:00000000
> virt_caps              : hvm hvm_directio
> total_memory           : 98291
> free_memory            : 259
> node_to_cpu            : node0:0,2,4,6,8,10,12,14,16,18,20,22
>                          node1:1,3,5,7,9,11,13,15,17,19,21,23
> node_to_memory         : node0:0
>                          node1:259
> node_to_dma32_mem      : node0:0
>                          node1:256
> max_node_id            : 1
> xen_major              : 4
> xen_minor              : 0
> xen_extra              : .1
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=0xffff800000000000
> xen_changeset          : unavailable
> xen_commandline        : placeholder dom0_mem=32G
> cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-10)
> cc_compile_by          : waldi
> cc_compile_domain      : debian.org
> cc_compile_date        : Wed Jan 12 14:04:06 UTC 2011
> xend_config_format     : 4
>
> Xm list resulst:
>
> Name                                        ID   Mem VCPUs      State
> Time(s)
> Domain-0                                     0 31976    24     r-----
> 615.0
> database                                     1 65536     1     r-----
> 9165.6
>
> On the database domU
>
> free -m
>              total       used       free     shared    buffers     cached
> Mem:         32764       3519      29245          0         11        100
> -/+ buffers/cache:       3407      29357
> Swap:         2047          4       2043
>
>

How much memory does xm top (xentop) report?

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html
http://runningxen.com/
_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
<Prev in Thread] Current Thread [Next in Thread>