[CentOS-virt] Free Mem

Gene

gh5046 at gmail.com
Fri Aug 30 19:19:33 UTC 2013


Is the system BIOS showing 18 GB of memory?  What happens when you boot
outside of Xen?  Do you see all 18 GB of memory?  (`cat /proc/meminfo` or
`free -m`)

-Gene


On Wed, Aug 28, 2013 at 9:14 AM, Deron <fecastle at gmail.com> wrote:

> Hello,
>
> I am not sure if this is the correct Mailing list for the issue I have.
>
> I have a new system with 18GB of Physical memory on the system.  I loaded
> CentOS 6.4.  But when I boot into Dom0, I only see  (xm info) 2GB of total
> memory?   I set 1GB for Dom0, but I am not sure why the hypervisor does not
> see all the memory.
>
> [root at barbaro images]# xm info
> host                   : <host>.<domain>
> release                : 3.4.54-8.el6.centos.alt.x86_64
> version                : #1 SMP Tue Jul 23 17:29:30 UTC 2013
> machine                : x86_64
> nr_cpus                : 4
> nr_nodes               : 1
> cores_per_socket       : 4
> threads_per_core       : 1
> cpu_mhz                : 2133
> hw_caps                :
> bfebfbff:28100800:00000000:00003b40:009ce3bd:00000000:00000001:00000000
> virt_caps              : hvm
> total_memory           : 2037
> free_memory            : 988
> free_cpus              : 0
> xen_major              : 4
> xen_minor              : 2
> xen_extra              : .2-23.el6
> 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        : dom0_mem=1024M,max:1024M loglvl=all
> guest_loglvl=all
> cc_compiler            : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
> cc_compile_by          : mockbuild
> cc_compile_domain      : centos.org
> cc_compile_date        : Thu Jul 18 13:42:23 UTC 2013
> xend_config_format     : 4
>
> Thanks.  If you have any suggestions that would be great.
>
> Deron
>
>
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>
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