E20-807Expert - VMAX All Flash and VMAX3 Exam
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A VMAX3 array has been configured to use TimeFinder SnapVX. A snapshot is taken of a LUN that currently resides on a 10k drive. Which mechanism will SnapVX use when there is a write to a linked target volume?
A. COFW
B. ROW
C. ACORW
D. COW
Performance analysis on VMAX3 FE ports have shown that a large number of QFULL responses were returned to their best performing hosts. However, other hosts suffered from high response times.
What needs to be configured in order to lower the high response times?
A. Decrease the queue depth of the poor performing hosts
B. Increase the queue depth for all hosts
C. Set similar queue depths for all hosts
D. Increase the queue depth of the best performing hosts
An organization plans to implement a VMAX3 solution using a two tier configuration. They are sensitive to data loss. the array will include:
10 x Flash drives 144 x 10k drives Based on Dell EMC recommended best practices, how should the 10K drives be configured?
A. 1 group RAID 6 (14+2)
B. 2 groups RAID 6 (6+2)
C. 2 groups RAID 5 (7+1)
D. 4 groups RAID 5 (3+1)
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