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Re: [Xen-users] RAM size problem


  • To: inas mohamed <inas_2003@xxxxxxxxx>
  • From: Todd Deshane <todd.deshane@xxxxxxx>
  • Date: Mon, 7 Mar 2011 09:24:22 -0500
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 07 Mar 2011 06:26:12 -0800
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On Mon, Mar 7, 2011 at 8:09 AM, inas mohamed <inas_2003@xxxxxxxxx> wrote:
>
> It is the first time to use this command, but any way
> on VM:
> Memory: 6659048k/16777216k available (2513k kernel code, 333224k reserved, 
> 1399k data, 184k init)
>

So 16777216k is 16 GB. The guest is getting the right amount. I'm not
sure why free is reporting lower values... Could it be a kernel
problem of some kind?



>
> on the master host:
> I got:
> Memory: 683100k/778240k available (2344k kernel code, 86752k reserved, 1323k 
> data, 260k init, 0k highmem)
>

So this is dom0, which doesn't get allocated as much. I don't have a
system handy to test the xen dmesg command for XCP. I think it is in
/opt/xensource/ (maybe bin?)

> thanks again for your help
>
> --- On Mon, 3/7/11, Todd Deshane <todd.deshane@xxxxxxx> wrote:
>
> From: Todd Deshane <todd.deshane@xxxxxxx>
> Subject: Re: [Xen-users] RAM size problem
> To: "inas mohamed" <inas_2003@xxxxxxxxx>
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Date: Monday, March 7, 2011, 2:41 PM
>
> On Mon, Mar 7, 2011 at 12:34 PM, inas mohamed <inas_2003@xxxxxxxxx> wrote:
> >
> > when I set these values the VM was halted then I started it from my xen 
> > host and then I checked RAM size from VM it self
> >
>
> What does dmesg on the host and guest repoort for memory?
>
> >
> > --- On Mon, 3/7/11, Todd Deshane <todd.deshane@xxxxxxx> wrote:
> >
> > From: Todd Deshane <todd.deshane@xxxxxxx>
> > Subject: Re: [Xen-users] RAM size problem
> > To: "inas mohamed" <inas_2003@xxxxxxxxx>
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Date: Monday, March 7, 2011, 2:31 PM
> >
> > On Mon, Mar 7, 2011 at 11:24 AM, inas mohamed <inas_2003@xxxxxxxxx> wrote:
> > >
> > > Hi,
> > > I have 5 XCP servers joining a pool.
> > > I have more than 16G physical RAM free and when I tried to allocate 16G 
> > > RAM for my CentOS VM using:
> > > xe vm-param-set   uuid=my-vm-uuid   memory-static-max=17179869184
> > > xe vm-param-set   uuid=my-vm-uuid   memory-dynamic-max=17179869184
> >
> > did you restart the CentOS VM after running these?
> >
> > >
> > > and when:
> > > #  free -m                                     //on my VM
> > > the total was: 6130
> > > and if:
> > > # free -m -t
> > > Total  11698
> > > why it is not 16G?
> > > Thanks for you help
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> >
> > --
> > Todd Deshane
> > http://www.linkedin.com/in/deshantm
> > http://www.xen.org/products/cloudxen.html
> >
>
>
>
> --
> Todd Deshane
> http://www.linkedin.com/in/deshantm
> http://www.xen.org/products/cloudxen.html
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html

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