You have a server named Server1 that runs Windows Server 2012 R2.
You plan to create a storage pool that will contain a new volume.
You need to create a new 600-GB volume by using thin provisioning. The new volume must use the parity
layout.
What is the minimum number of 256-GB disks required for the storage pool?
A.
2
B.
3
C.
4
D.
5
3 drives is correct – the key in the question is thin provisioning. RAID5 doesn’t come into it
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C. 4 drives. The key word here is PARITY, which requires Raid 5. Raid 5 carries a 30% penalty on the total disk space configured in the Raid. If you just use 3 disks, that gives you a total raw capacity of 768 GB, but when you calculate in the 30% penalty, this only leaves you with 537.6 GB of usable space (768 * .7 = 537.6). Since the question asks for 600 GB of usable space, you must use a fourth drive to get to the required usable space.
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C. 4 drives. The key word here is PARITY, which requires Raid 5. Raid 5 carries a 30% penalty on the total disk space configured in the Raid. If you just use 3 disks, that gives you a total raw capacity of 768 GB, but when you calculate in the 30% penalty, this only leaves you with 537.6 GB of usable space (768 * .7 = 537.6). Since the question asks for 600 GB of usable space, you must use a fourth drive to get to the required usable space.
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