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Re: [Xen-users] issue with memory at dom0

To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject: Re: [Xen-users] issue with memory at dom0
From: Israel Garcia <igalvarez@xxxxxxxxx>
Date: Mon, 19 Oct 2009 08:33:14 -0500
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On 10/18/09, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> On Sun, Oct 18, 2009 at 10:03 AM, Israel Garcia <igalvarez@xxxxxxxxx> wrote:
>> I always setup dom0 with 1GB ram memory.I've got two question
>> regarding memory in dom0:
>>
>> 1. How do I know exactly the dom0 ram memory available to create  new
>> guets domains? Or even better, How can you calculate the memory
>> available to create new domU"s? The problem is I have to sum, at dom0,
>>  the memory used by guests domain to know if a new instance can be
>> installed on this dom0.:-(
>
> "xm info"
> Look for free_memory
Hi Fajar,
Sorry for the delay, but Iwas busy and I could not answer your mail.
This free memory that shows xm info, is the free mem available
coutning dom0's? Or is itthe mem I can use for new guest domains?

>
>> 2. Which is the minimun ram memory a dom0 can use to work  properly?
>> We have issues with two dom0's servers running debian etch when the
>> memory decrease below 1Gb. The server get a reboot.  :-(
>
> Depends on the setup.
> I usually put 768M-1GB for dom0, and it's not running any "heavy"
> additional services (usually only snmp). What do you have running on
> dom0? Are you using file-based or LVM based storage for domU?
yeap, I use LVM based storage. And I'm not running nothing but xend on the dom0.

thanks,
regards,
Israel.
>
> --
> Fajar
>


-- 
Regards;
Israel Garcia

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