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xen-devel
Re: [Xen-devel] Dynamic Memory Management and Migration (3.0.4-0)
Tim Wood wrote:
> On 1/31/07, Timo Benk <timo.benk@xxxxxx> wrote:
>> Hello,
>>
>> i noticed the following Problem:
>>
>> if i want to allow dynamic memory management of Linux-domains, i need to
>> set the following kernel parameter. Otherwise it is not possible, to
>> increase the memory of the domain above the initial assigned value:
>>
>> extra = "mem=10240M"
>>
>> But now it is not possible to migrate the domain. If try an offline
>> migration, the xm-command hangs forever.
>
> You may want to try initially giving the domain the full allocation
> and then decreasing its share once it has booted. You should be able
> to expand back to the full amount. I have used this method and
> successfully performed migrations in the past.
Yepp, that is the workaround. But if you have already 10 domains using
most of the memory, the domain in question will not start 'cause there
is not enough memory.
Greetings,
-timo
--
Timo Benk - Jabber ID: fry@xxxxxxxxxxxx - ICQ ID: #414944731
PGP Public Key: http://m28s01.vlinux.de/timo_benk_gpg_key.asc
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