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Dell-EMC

E20-522 · Question #292

A storage administrator is seeing excessive disk crossings on a CLARiiON LUN presented to a Linux host. The LUN is replicated to another CLARiiON using MirrorView/S. What can be done to address the…

The correct answer is D. Back up the LUN data, usefdisk to create a 128 block offset on the first partition, and then restore the. See the full explanation below for the reasoning.

Question

A storage administrator is seeing excessive disk crossings on a CLARiiON LUN presented to a Linux host. The LUN is replicated to another CLARiiON using MirrorView/S. What can be done to address the problem?

Options

  • ABack up the LUN data, changeMirrorView/S LUN offset to 128 blocks, and then restore the LUN data
  • BBack up the LUN data, rebind the LUN with a 63 block LUN offset, and then restore the LUN data
  • CBack up the LUN data, reformat and size the file system to be a multiple of 64 blocks, and then restore
  • DBack up the LUN data, usefdisk to create a 128 block offset on the first partition, and then restore the

How the community answered

(23 responses)
  • A
    4% (1)
  • B
    9% (2)
  • C
    13% (3)
  • D
    74% (17)

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