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E20-390 · Question #307

At which RAID level are FAST Cache drives configured for VNX arrays?

The correct answer is B. RAID 1. The FAST Cache consists of one or more pairs of mirrored disks (RAID 1) and provides both read and write caching. For a read caching, the FAST Cache copies data off the disks being accessed into the FAST Cache. For protected-write applications, the FAST Cache effectively…

Understand VNX Series Architecture and Components

Question

At which RAID level are FAST Cache drives configured for VNX arrays?

Options

  • ARAID 0
  • BRAID 1
  • CRAID 3
  • DRAID 5

How the community answered

(24 responses)
  • A
    4% (1)
  • B
    83% (20)
  • C
    8% (2)
  • D
    4% (1)

Explanation

The FAST Cache consists of one or more pairs of mirrored disks (RAID 1) and provides both read and write caching. For a read caching, the FAST Cache copies data off the disks being accessed into the FAST Cache. For protected-write applications, the FAST Cache effectively buffers the data waiting to be written

Topics

#FAST Cache#RAID levels#drive configuration

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