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

[Israel Garcia <igalvarez@xxxxxxxxx>]

On 10/19/09, Israel Garcia <igalvarez@xxxxxxxxx> wrote:
> 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"
nice!.. Let me ask you ..is it  recommendable to fix a limit ram
memory to dom0?.. let say 1GB... how can I fix this memory in dom0?
What about dom0 performance if all memory at dom0 is used? Any experiences?

regards
Israel.
>> 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
>


-- 
Regards;
Israel Garcia

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