Sun Storage 7000 Unified Storage System: How to Determine the Dataset Compression Settings via CLI

Asset ID:	1-71-1606051.1
Update Date:	2013-12-09
Keywords:

Solution Type Technical Instruction Sure

Solution 1606051.1 : Sun Storage 7000 Unified Storage System: How to Determine the Dataset Compression Settings via CLI

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Related Categories


PLA-Support>Sun Systems>DISK>ZFS Storage>SN-DK: 7xxx NAS

In this Document

Goal

Solution

Created from <SR 3-8191608504>

Applies to:

Sun ZFS Storage 7420 - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Sun ZFS Storage 7120 - Version All Versions and later
Sun Storage 7410 Unified Storage System - Version All Versions and later
Sun Storage 7310 Unified Storage System - Version All Versions and later
7000 Appliance OS (Fishworks)

Goal

To determine the current compression ratio on a ZFS Appliance dataset/file system from the appliance CLI.

In a regular ZFS filesystem the compression ratio can be seen with a command such as

# zfs get compressratio pool/data1
NAME PROPERTY VALUE SOURCE

pool/data1 compressratio 2.25x -

Solution

The compression ration for each share can be determined from the CLI via the path:

shares -> Project -> ShareName.

If you do an 'ls' at this context level, one of the properties listed is 'compressratio' which is the compression ratio multiplied by a factor of 100.

Eg. A compression ratio of 2.25 shows as 225:

fishworks:shares pool/data1> ls
Properties:
  aclinherit = restricted (inherited)
  aclmode = discard (inherited)
  atime = true
  casesensitivity = mixed
  checksum = fletcher4
  compression = lzjb
  dedup = false
  compressratio = 225
.
.
.

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