[Cialug] Question about Xen Domain-0 increasing available Memory

[Matt Millard]

http://wiki.xen.org/wiki/Xen_FAQ_Dom0#Why_cannot_I_see_all_my_RAM_on_my_Dom0.3F

Matt


On Mon, Nov 4, 2013 at 9:09 AM, Kelly Slaugh <kelly at visionary.com> wrote:

> Hello everyone,
>
> Wondering if someone could help me with a question.  Yesterday I increased
> the memory on my host machine from 16GB to 32GB.  The system started
> perfectly, however, when I go into my virt-manager and try and increase the
> available memory from 16260mb to 20480mb not happens.  I looked in the
> configuration file on the terminal and the Domain-0 configs have memory =
> 20480.  However on the virt-manager Dom-0 is still reporting 16260mb.  Do I
> need to restart the Dom-0 in order for it to recognize the change?  Is
> there an easier command that I can run that will allow Dom-0 to see that
> the config file has 20480 for memory without taking down Dom-0?
>
> Virt-manager version is 0.6.1
>
> Maybe something isn't right with my memory tables.  When I run the command
> "free -t -g" I get that total memory = 15 Used = 15 free = 0 shared = 0
> buffers = 0 cached = 14; swap = 3 total & 3 free.
>
> If I have 32 GB of memory installed why is it that I the reported memory
> is only 15GB and not higher?
>
> The Memory configuration is 4x4GB on both Processors.
>
> Sorry this is a novel, any advice would be much appreciated.
>
> Kelly Slaugh
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-- 
Matt Millard

http://mattmillardphotography.com