[one-users] onehost shows wrong memory info [Xen Node]

[anoop Lekshmanan]

Thanks for the valubale info.

Anoop

On Mon, Jan 31, 2011 at 11:44 PM, Łukasz Oleś <lukaszoles at gmail.com> wrote:

> On Monday 31 January 2011 17:33:49 anoop Lekshmanan wrote:
> > Hi,
> >
> > I have installed Opennebula-2.0.1 on Fedora 14 (FrontEnd) and CentOS 5.5
> 64
> > bit with Xen (kernel 2.6.18-194.32.1.el5xen) .
> >
> > I have total 8 GB RAM on node1 and around 6 GB is free. But onehost list
> > shows only 383 M free.
> >
> > onehost list
> >   ID NAME              CLUSTER  RVM   TCPU   FCPU   ACPU    TMEM    FMEM
> > STAT
> >    0 node1_xen      default    0    400    399    400    7.9G    383M
> on
> >
> > where free command on node1_xen gives:
> > free -m
> >              total       used       free     shared    buffers     cached
> > Mem:          7483        670       6812          0         33        292
>
> Opennebula to check free ram uses xm info, so it only shows RAM which was
> not
> assigned to any domain(including dom0).  You have two options here:
> - start dom0 with dom0_mem option. See
> http://wiki.xensource.com/xenwiki/XenBestPractices
>
> - rewrite ruby script xen.rb which checks free ram. On debian it's located
> in
> /usr/lib/one/remotes/im/xen.d/xen.rb
>
> Regards,
>
> --
> Łukasz Oleś
>
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