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Exam DES-1121 topic 1 question 56 discussion

Actual exam question from Dell's DES-1121
Question #: 56
Topic #: 1
[All DES-1121 Questions]

What is a recommendation when using Open Replicator to migrate data from a supported third-party array to a VMAX3 array?

  • A. Host I/O to the remote devices on the third-party array should be stopped for the duration of the migration
  • B. Host I/O to the control devices on the VMAX3 array is allowed after the migration completes
  • C. Host I/O to the remote devices on the third-party array can continue during the migration
  • D. Control devices on the VMAX3 array must be set to Not Ready for the duration of the migration
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Suggested Answer: A 🗳️
by TrinhLK at April 12, 2024, 8:33 a.m.

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TrinhLK
9 months ago
Selected Answer: A
Roughly Steps would be A) bring the apps and luns offline (unmount) B) (as best practice remove old lun from the server ) C)create hot pull session D) once session created and activated , no need to wait the data copy to 100%( background copy will continue) E) you can present new storage luns to app server and start using the luns [if -donar_update is used. the data block updated on VMAX LUN will be updated on Hitachi Lun also, If -donar_update not used Hitachi lun will not be updated (retain its original )] F) once 100% copied you can break and terminate session https://navanuthana.wordpress.com/2020/03/10/one-page-emc-open-replicator-how-to/
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