[Xen-users] DomU max 32GB memory

[Bert Sarens <Bert.Sarens@xxxxxxxx>]

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

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