Re: [Xen-users] Allocate more Memory than real

["Artur Baruchi" <mail.baruchi@xxxxxxxxx>]

Thanks for your answer... I asked this, cause Im wondering why the
balloon driver exists in Xen... Im not able to allocate more memory
than configured in guest config file and by default the target AND the
current allocation has the same value, so why I would touch in this
value if I cannot allocate the memory freed to another domain since
its denied...


Do you know a situation where the balloon driver is necessary in xen?

Thanks in advance..

Att.
Artur Baruchi



On Tue, Sep 9, 2008 at 5:02 PM, Rudi Ahlers <rudiahlers@xxxxxxxxx> wrote:
>
>
> On Tue, Sep 9, 2008 at 9:57 PM, Artur Baruchi <mail.baruchi@xxxxxxxxx>
> wrote:
>>
>> Hi Guys,
>>
>> Is possible in xen to allocate more memory to virtual machines than
>> the real  memory?
>> I.E:
>> vm1- 256Mb
>> vm2- 512Mb
>> vm3- 256Mb
>> BUT, in my Dom0 (real machine) I has just 512Mb.
>>
>> Thanks in advance,
>>
>> Att.
>> Artur Baruchi
>>
>
> No, it's not. You can only allocate as much memory as the physical machine
> has - minus some RAM for the dom0  to work.
>
>
>
> --
>
> Kind Regards
> Rudi Ahlers
>

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