Re: [Xen-users] DomU max 32GB memory

["Bert Sarens" <Bert.Sarens@xxxxxxxx>]

xentop - 13:16:37   Xen 4.0.1
2 domains: 1 running, 1 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 100650084k total, 100384044k used, 266040k free    CPUs: 24 @ 2394MHz
      NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k)  
MAXMEM(%) VCPU
S NETS NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR  VBD_RSECT  VBD_WSECT
SSID
  database --b---      17974    0.0   67105024   66.7   67108864      66.7
1    1   281487   153774    2        0  4890212  1998411   40125562   45614704
   0
  Domain-0 -----r       1378    1.4   31989760   31.8   no limit       
 n/a    2
4    0        0        0    0        0        0        0          0          0
   0


Citeren "Todd Deshane" <todd.deshane@xxxxxxx>:

> 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/



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