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Broadcom-VMware

VDCD510 · Question #229

Which type of virtual disk takes the longest to create but performs the best?

The correct answer is D. Flat. An eager-zero disk allocates and zeros out all the block at once. While this type of disk takes significantly longer to create, the disk performs better than the others because the other disks require the block to be zeroed out before writing to the block. Since the blocks have…

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Question

Which type of virtual disk takes the longest to create but performs the best?

Options

  • AThin provisioned
  • BEager-zero
  • CLazy-zero
  • DFlat

How the community answered

(40 responses)
  • A
    18% (7)
  • B
    3% (1)
  • C
    8% (3)
  • D
    73% (29)

Explanation

An eager-zero disk allocates and zeros out all the block at once. While this type of disk takes significantly longer to create, the disk performs better than the others because the other disks require the block to be zeroed out before writing to the block. Since the blocks have already been zeroed with eager-zero, that is not necessary.

Topics

#virtual disk types#eager-zero thick#disk provisioning#storage performance

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