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RE: [Xen-users] xen 4.1 missing memory

  • To: Ian Tobin <itobin@xxxxxxxxxxxxx>, "Fajar A. Nugraha" <list@xxxxxxxxx>
  • From: "Yi, Shunli" <syi@xxxxxxxxxxxx>
  • Date: Thu, 18 Aug 2011 06:07:56 +0000
  • Accept-language: zh-CN, en-US
  • Cc: Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 17 Aug 2011 23:09:35 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acxcr/f0j1/CkbV+Tq6AR5b+bhjX3wATON+AACqPlAAADoIrcA==
  • Thread-topic: [Xen-users] xen 4.1 missing memory

Try to paste the output of "xm info" and "xm list".


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ian Tobin
Sent: Thursday, August 18, 2011 2:03 PM
To: Fajar A. Nugraha
Cc: Xen User-List
Subject: Re: [Xen-users] xen 4.1 missing memory


I set the dom0 min men to 512m in xend-config.sxp and ballooning is already 
enabled.  I rebooted and it initially shows 512m but one the vms are booted it 
drops to 256 .

Any other thoughts?




On 17 Aug 2011, at 10:44, "Fajar A. Nugraha" <list@xxxxxxxxx> wrote:

> On Wed, Aug 17, 2011 at 2:35 PM, Ian Tobin <itobin@xxxxxxxxxxxxx> wrote:
>> Hi,
>> We have the dom0_mem=512M parameter set on boot which does show up 
>> after booting however ive noticed that it drops to roughly 256M on 
>> one of the boxes after the VMs are all started which is causing slow 
>> downs as it needs to swap.
> IIRC that is expected behaviour, no matter what version the kernel is.
>> The kernel is, has anyone else seen this?>
> dom0_mem only sets dom0's initial memory. If domU needs more memory,
> dom0 can still baloon down. See dom0-min-mem and 
> enable-dom0-ballooning on /etc/xen/xend-config.sxp to change this 
> behavior.
> --
> Fajar
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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