Refer to the Exhibit.

EMC D-XTR-OE-A-24 Question Answer

An XtremlO administrator is asked to provide a copy of a 25 TiB database to a

group of users. Each user needs to have their own copy of the database in order to

perform a variety of manipulations on the data. This process needs to be repeated

every day of the week. The administrator is concerned about the time it will take to

make the initial copy of the database and is investigating the use of snapshots of

snapshots.

How does each snapshot impact its ancestor?

Each first write to each snapshot will trigger a COFW from its ancestor

Each first write to a block of the production volume will trigger a COFW

to each child snapshot

Each snapshot can be considered a unique volume and has no impact

on its ancestor

Each first access to each snapshot will trigger a COFA from its ancestor

D-XTR-OE-A-24 PDF/Engine

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