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[Xen-users] DomU Memory Limitations

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] DomU Memory Limitations
From: Aaron // LT <aaron@xxxxxxxxxxxxxx>
Date: Wed, 21 Dec 2005 23:17:36 +1100
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I'm having problems when running a DomU it won't use more than 832MB RAM, even though I assign it 1000+MB it still only shows 832MB when using xm list.

xm list output (domain xxxx is the culprit):

[root log]# xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0 0 370 0 r---- 596.2 xxxxx 6 832 1 -b--- 9.5 9606
yyyyy    1      383    1  -b---   5596.3    9601

config file:

kernel = "/boot/vmlinuz-2.6.11-xenU"
memory = 1024
name = "xxxxx"
disk = [ 'file:/data/xen/imgs/xxxxx,sda1,w','file:/data/xen/swap/xxxxx,sda2,w' ]
root = "/dev/sda1 ro"

I can't see anything obvious from the xend log, and when I try changing the size to other numbers above 832MB it still stays the same.

This is xen 2.0.7, Dual Opteron 246, 4GB RAM, 73gb scsi drives.

Anybody have an idea what this might be and how to resolve it?


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