The storage on a Symmetrix VMAX is divided into four static tiers:
TierA contains RAID 5 (3+1) Enterprise Flash Drives (EFDs)
TierB contains 2-Way-Mir 15K RPM Fibre Channel drives
TierC contains RAID 5 (7+1) 10K RPM Fibre Channel drives
TierD contains RAID 6 (6+2) SATA drives
Which is a valid FAST policy?
A.
10% TierA, 40% TierB, 20% TierC, 30% TierD
B.
10% TierA, 50% TierB, 20% TierC
C.
15% TierA, 50% TierB, 50% TierD
D.
20% TierA, 30% TierB, 30% TierC, 30% TierD
Explanation:
Can any one please describe it..??
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Normal Policy: Maximum 3 Tiers per Policy + Should sum-up more than 100%
Policy while using FTS: Maximum 3 Tiers per Policy, including 1 external tier + Should sum-up more than 100%
Correct Answer is C: 15% TierA, 50% TierB, 50% TierD
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Small Correction
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Normal Policy: Maximum 3 Tiers per Policy + Should sum-up more than 100%
Policy while using FTS: Maximum 4 Tiers per Policy, including 1 external tier + Should sum-up more than 100%
Correct Answer is C: 15% TierA, 50% TierB, 50% TierD
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Noone is right
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