Home » Network Appliance » NS0-155 » Which three FAS deduplication features exist in ONTAP 8.0 7-Mode?
Which three FAS deduplication features exist in ONTAP 8.0 7-Mode?
A. The deduplication fingerprint and change logs were moved to the root volume /etc/dedup directory.
B. After breaking the deduplication volume destination mirror, the deduplication (a-sis) process continues uninterrupted.
C. Qtree SnapMirror is supported on the destination for deduplication by enabling on the source, destination, or both systems.
D. The fingerprint database and the change logs that the deduplication process uses are located outside the volume, in the aggregate.
E. The deduplication schedule is not tied to a Qtree SnapMirror update, and can be configured just like the deduplication schedule for any volume.
Correct Answer: CDE
Explanation/Reference:
NetApp also recommends that if deduplication is used on the source volume, then it should also be used on the destination volume. However, you are not restricted using deduplication on the source volume only.
The deduplication schedule is not tied to the qtree SnapMirror update. In other words, the deduplication process does not automatically start at the completion of the qtree SnapMirror transfer.
The fingerprint database and the change log files that are used in the deduplication process are located outside of the volume in the aggregate and are therefore not captured in Snapshot copies
http://www.netapp.com/us/media/tr-3505.pdf
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