Which drive types will the Bronze Service Level Objective try to use under most circumstances?
A.
15K RPM, 10K RPM, and 7.2K RPM
B.
Flash, 15K RPM, 10K RPM, and 7.2K RPM
C.
Flash, 10K RPM, and 7.2K RPM
D.
15K RPM and 10K RPM only
Explanation:
https://www.emc.com/collateral/white-papers/h13896-emc-vmax3-service-level-objectives-wp.pdf
The Correct answer is 15K RPM, 10K RPM, and 7.2K RPM
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Correct is B – all drive types
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https://uk.emc.com/collateral/technical-documentation/docu55786-vmax3-service-level-pro-fully-automated-storage.pdf
(P.24)
Somewhat similarly, as the Bronze SERVICE LEVEL OBJECTIVE does not allow extents
to be allocated on EFD, new extent allocations will only come from the EFD pool when
the 15K and 10K pools within the storage resource pool are full. However, the EFD
pool will be allocated from before the 7.2K pool as this is more beneficial to the
overall performance health of the storage array. In the case where an allocation for a
Bronze SERVICE LEVEL OBJECTIVE managed device is made in an EFD pool, the SERVICE LEVEL OBJECTIVE capacity compliance algorithm will later move that data to
the 7.2K pool.
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