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Vikas,

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~Syed Armani


On Mon, Dec 23, 2013 at 2:51 PM, Vikas Parashar <para.vikas at gmail.com>wrote:

> Hi,
>
>
> IaaS is all about elastic computing. I can stretch resources as per my
> need - increasing/decreasing the number of cores, RAM allocated etc..
>
> My question is - how does openStack achieve this elasticity for both
> computation and RAM.
>
> If I create an image with 2 cores and 4 GB RAM (and one day I need to
> increase this to, lets say - 6 Cores and 12 GB RAM), but all the physical
> hosts that I currently have (for Compute and RAM) at my disposal have a max
> of 4 Cores and 4 GB RAM each..
>
> Using openStack -
>
> a) is this possible (as long as the total cores and total RAM required is
> less than the group-total) ? If yes, how is this achieved.
>
> b) or the elasticity will be limited to 4 Cores/4GB  (The max capacity of
> a physical host) ? If no, then is it possible to achieve it ?
>
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