Oracle Exam 1Z0-821 Topic 4 Question 39 Discussion

Actual exam question for Oracle's 1Z0-821 exam

Question #: 39
Topic #: 4

In an effort to reduce storage space on your server, you would like to eliminate duplicate copies of data in your server's ZFS file systems.

How do you specify that pool1/data should not contain duplicate data blocks (redundant data) on write operations?

Azfs create - o compression=on pool1/data

Bzpool create -o deduplication =on pool1; zfs create pool1/data

Czfs create - o deduplication=on pool1; zfs create pool1/data

Dzfs create - o dedupratio=2 pool1/data

Ezfs create - o dedup=on pool1/data

Show Suggested Answer

Suggested Answer: E

ZFS Deduplication Property

Solaris Express Community Edition, build 129: In this Solaris release, you can use the deduplication property to remove redundant data from your ZFS file systems. If a file system has the dedup property enabled, duplicate data blocks are removed synchronously. The result is that only unique data is stored and common components are shared between files.

You can enable this property as follows:

# zfs set dedup=on tank/home

by Gayla at May 09, 2022, 11:41 AM

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