RE: [Xen-users] Ram question

["Robbie A. Garrett" <RGarrett@xxxxxxxxxxxxxx>]

thanks for the response.

 

Another question comes out of this.

 

if i assign a vm 515mb of ram...  will the free_memory reflect that? or as the vm uses the memory, will the free_memory decrease.

 

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From: Jeff Sturm [jeff.sturm@xxxxxxxxxx]
Sent: Monday, September 28, 2009 9:32 AM
To: Robbie A. Garrett; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Ram question

The "xm info" command will tell you this, among other things:

 

# xm info

…

total_memory           : 32766

free_memory            : 24128

 

This host for example has a 2GB dom0, with 32GB physical memory, of which about 24GB is usable for virtualization.  (The memory sizes are reported in MB.)

 

-Jeff

 

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Robbie A. Garrett
Sent: Monday, September 28, 2009 10:19 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Ram question

 

Hey all,

 

have a question about limiting ram in grub.

 

i have set my grub to have a config line of dom0_mem=800M which limits dom0 to 800megs of ram.

 

i want to ensure that xen will still be able to use the rest of the system ram for the vm's for the server has over 16gb of ram.

 

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