Re: [Xen-users] setting max memory

[Jonathan Tripathy <jonnyt@xxxxxxxxxxx>]

On 19/07/2011 17:50, Alexandre Chapellon wrote:
> Hello,
>
> I know the parameter mem-max sets the maximum RAM that can be allocated
> to a domU.
> Beside this limit, VM has to be recreated with required memory size.
>
> Is it possible to set the mem-max parameter without recreating VM?
> xm max-mem seems to work but in fact, has no effect (at least on my
> debian Lenny dom0)
>
> If not possible to dynamicly change max-mem, Is it possible/safe/clever
> to set max-mem to the maximum amount of RAM the dom0 can allocate (total
> RAM - minimum dom0 RAM).
>
> Thanks.
If you are going to be using these DomUs for anything even remotely 
serious, then I would strongly advise against dynamically resizing a 
Linux environment's available memory. Form personal experience, I can 
categorically say that this leads to a very unstable system.
Just my 2 pence

Thanks

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