nerdexam
Oracle

1Z0-822 · Question #51

You want to create a ZFS file system with the following specifications: - lzjb compression enabled - Cannot consume more than 2 GB from the storage pool - Redundant data at the block level…

The correct answer is C. zfs create -o mountpoint=/data -o compression=on -o dedup=on -o quota=2g /pool1/data. Not on compression setting: compression=on | off | lzjb | gzip | gzip-N Controls the compression algorithm used for this dataset. The "lzjb" compression algorithm is optimized for performance while providing decent data compression. Setting compression to "on" uses the "lzjb"…

Managing Storage

Question

You want to create a ZFS file system with the following specifications:

  • lzjb compression enabled
  • Cannot consume more than 2 GB from the storage pool
  • Redundant data at the block level eliminated
  • Mounted as /data

Which command creates the desired file system?

Options

  • Azfs create -o mountpoint=/data, compression=on,algorithm=lzjb,deduplication=on,quota=2g
  • Bzfs create -o mountpoint=/data compression=on algorithm=lzjb deduplication=on quota=2g
  • Czfs create -o mountpoint=/data -o compression=on -o dedup=on -o quota=2g /pool1/data
  • Dzfs create -o mountpoint=/data -o compression=on -o algorithm=lzjb -o deduplication=on -o
  • Ezfs create pool/data zfs set mountpoint=/data,quota=2g, dedup=on,compression=on /pool1/data

How the community answered

(38 responses)
  • A
    3% (1)
  • B
    5% (2)
  • C
    76% (29)
  • D
    13% (5)
  • E
    3% (1)

Explanation

Not on compression setting: compression=on | off | lzjb | gzip | gzip-N Controls the compression algorithm used for this dataset. The "lzjb" compression algorithm is optimized for performance while providing decent data compression. Setting compression to "on" uses the "lzjb" compression algorithm. Not A, Not E: Should not use commas like this. Not B, Not D: There is no property algorithm named to this command. To specify the use of the lzjb compression command we must use compression=lzjb.

Topics

#ZFS filesystem#compression#deduplication#quota

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