[CentOS-virt] Free Mem

Deron fecastle at gmail.com
Wed Aug 28 16:14:22 UTC 2013


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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