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E20-545 · Question #129

A Storage Administrator wants to create a striped 4 TB metaLUN to present to an application server. They plan to use a base LUN size of 1.4 TB made from a RAID 5 (4+1) protected RAID Group of 600 GB…

The correct answer is B. On at least two RAID 5 (4+1) RAID Groups composed of 600 GB SAS drives. See the full explanation below for the reasoning.

Question

A Storage Administrator wants to create a striped 4 TB metaLUN to present to an application server. They plan to use a base LUN size of 1.4 TB made from a RAID 5 (4+1) protected RAID Group of 600 GB SAS drives. According to EMC best practices, where should additional component LUNs used to create the metaLUN be created?

Options

  • AOn at least two RAID 6 (6+2) RAID Groups composed of 2 TB NL_SAS drives
  • BOn at least two RAID 5 (4+1) RAID Groups composed of 600 GB SAS drives
  • COn at least two RAID 5 (8+1) RAID Groups composed of 600 GB SAS drives
  • DOn at least two RAID 1/0 RAID Groups, each with 4 x 600 GB SAS drives

How the community answered

(39 responses)
  • A
    5% (2)
  • B
    79% (31)
  • C
    13% (5)
  • D
    3% (1)

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