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Exam E20-393 All Questions

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Exam E20-393 topic 1 question 21 discussion

Actual exam question from Dell's E20-393
Question #: 21
Topic #: 1
[All E20-393 Questions]

What is the maximum number of LUNs in a Consistency Group?

  • A. 25
  • B. 50
  • C. 75
  • D. 100
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Suggested Answer: C 🗳️
The consistency group (CG) term is used for grouping several LUNs together in order to ensure write-order consistency over several volumes. Each LUN can contain up to 2 TB, and the total supported capacity can be up to 150 TB.
References:
https://en.wikipedia.org/wiki/RecoverPoint

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themachine
Highly Voted 5 years, 7 months ago
I don't see where the answer of "75" comes in. https://www.emc.com/collateral/TechnicalDocument/docu88302.pdf - appears to be 50.
upvoted 8 times
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eddb
Highly Voted 3 years, 10 months ago
B. 50 Consistency group An addressable instance of LUN storage that can contain one or more LUNs (up to 50) and is associated with one or more attached hosts. Consistency groups help organize the storage allocated for a particular host or hosts. Snapshots taken of a consistency group apply to all LUNs associated with the group.
upvoted 5 times
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[Removed]
Most Recent 1 year, 2 months ago
The question has two answer. For VSA is 50 but for Physical its 75...See Unity Implementation & Administration Page 589. I cannot attach the screen because it does not allow.
upvoted 1 times
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Asrarpasha
2 years, 1 month ago
Correct ans: B A Consistency Group is an addressable instance of LUN storage that can contain one or more LUNs (up to 50). Consistency Groups are associated with Supported Block storage resources LUN Consistency Thin Group Clone Block Storage Page 54 © Copyright 2022 Dell Inc. Module 2 Storage Provisioning one or more FC or iSCSI hosts. Snapshots that are taken of a Consistency Group apply to all LUNs associated with the group.
upvoted 1 times
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rachid1761960
2 years, 6 months ago
EMC_Unity_ESSM
upvoted 1 times
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rachid1761960
2 years, 6 months ago
75 is the correct EMC_Unity_ESSM
upvoted 1 times
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Kof_81
3 years ago
Answer is 50 LUNs: https://www.delltechnologies.com/he-il/documentation/unity-family/unity-p-config-luns/01-configuring-luns-and-consistency-groups.htm
upvoted 1 times
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rachid1761960
3 years, 2 months ago
Create and/or Select Existing LUNs Number of LUNs currently in the group: 5 You can add up to 70 additional LUNs to this consistency group.    LUNs Action LUN Name Size (GB) Thin Pool I/O Limit
upvoted 1 times
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rachid1761960
3 years, 2 months ago
B: is The correct : Consistency group An addressable instance of LUN storage that can contain one or more LUNs (up to 50) and is associated with one or more attached hosts. Consistency groups help organize the storage allocated for a particular host or hosts. Snapshots taken of a consistency group apply to all LUNs associated with the group.
upvoted 1 times
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RICKYF
3 years, 3 months ago
Answer is 75. 75 for Physical Dell EMC Unity models and 50 for VSA, find in participant guide page 589
upvoted 2 times
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Jhunnex
3 years, 6 months ago
B. 50, Consistency group An addressable instance of LUN storage that can contain one or more LUNs (up to 50) and is associated with one or more attached hosts.
upvoted 1 times
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rko262
3 years, 10 months ago
answer D 100 LUN https://www.delltechnologies.com/no-no/documentation/unity-family/unity-p-config-luns/01-configuring-luns-and-consistency-groups.htm#:~:text=You%20can%20create%20multiple%20LUNs,maximum%20limit%20of%20100%20LUNs.
upvoted 1 times
grasim71
2 years, 11 months ago
in a same page we see 50 LUN in CG: Consistency group An addressable instance of LUN storage that can contain one or more LUNs (up to 50) and is associated with one or more attached hosts. Consistency groups help organize the storage allocated for a particular host or hosts. Snapshots taken of a consistency group apply to all LUNs associated with the group.
upvoted 1 times
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Ash912
4 years, 3 months ago
75 for physical, 50 for VSA
upvoted 3 times
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