An application team is implementing a new solution in the virtualized environment. The application
vendor states the application is memory intensive. The application is very unstable when
operating without adequate on-demand access to physical memory. The application’s virtual
machines are assigned to the Mission Critical resource pool.
Which resource pool setting will help ensure the application has adequate access to memory?
A.
Memory reservation
B.
High memory share value
C.
Unlimited memory
D.
Expandable reservation
Explanation:
A is correct
With a reservation, even when a server is heavily loaded, the virtual machine (or resource pool) will receive the resources that were reserved.
it could be D? since this is a resource pool
Not to confuse things, but I think the key to this is the Mission Critical resource pool – If an expandable memory reservation was assigned to this resource pool, then then memory could freely expand at the detriment of other resource pools. This would allow the mission critical app to NOT become “unstable”. But this would only be the case if there were multiple resource pools.
A memory reservation will only guarantee a minimum amount of memory – this has nothing to do with on-demand access to physical memory. Therefore the mission critical app could become unstable using a memory reservation.
I think the Answer is D
I agree with brad.
The correct answer should be D, as the question emphasizes on “on-demand access” which can be fulfilled with Expandable reservation.
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