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[Xen-users] issue with xen-ballon?

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] issue with xen-ballon?
From: "Robbie Garertt" <rgarrett@xxxxxxxxxxxxxx>
Date: Sun, 14 Mar 2010 17:15:35 -0400
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Thread-index: AcrDuescOUVwIqLARBaalEOKWeOceg==
Thread-topic: issue with xen-ballon?
Hey all,
 
I have a xen server setup and running version 3.4.2. Kernel version is 2.6.31.12.
My issue here is that when I do a free -m within the Vm is shows less, some times more ram then what the config files shows.   Here is an example of what I see from xend starting the domU.
[2010-03-14 17:09:45 2598] DEBUG (balloon:166) Balloon: 7766704 KiB free; need 526336; done.
When I do a free -m within the domU I get it showing me a total of 506mb.
when I do cat /proc/meminfo is shows a total of 518220
 
why so many different numbers?  Config options below.
 
Made the dom0 and domU kernel by doing
git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen
cd linux-2.6-xen
make && make modules && make modules_install && make bzImage && make install
 
my domU config is
kernel      = '/boot/vmlinuz-2.6.31.12-XenDom0'
ramdisk     = '/boot/initrd.img-2.6.31.12-XenDom0'
memory      = '512'
#
#  Disk device(s).
#
root        = '/dev/xvda2 ro'
disk        = [
                  'phy:/dev/Xen/Testing-disk,xvda2,w',
                  'phy:/dev/Xen/Testing-swap,xvda1,w',
              ]

#
#  Physical volumes
#
 
#
#  Hostname
#
name        = 'Testing'
#
#  Networking
#
vif         = [ 'ip=204.124.181.72,mac=00:16:3E:78:FB:92' ]
#
#  Behaviour
#

on_reboot   = 'restart'
on_crash    = 'restart'

 
 
Robbie Garrett
Operational Lead
www.hostourweb.com
877-811-5058
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