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.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org>
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.Dd June 2, 2021
.Dt ZFS-SET 8
.Os
.
.Sh NAME
.Nm zfs-set
.Nd set properties on ZFS datasets
.Sh SYNOPSIS
.Nm zfs
.Cm set
.Ar property Ns = Ns Ar value Oo Ar property Ns = Ns Ar value Oc Ns …
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns …
.Nm zfs
.Cm get
.Op Fl r Ns | Ns Fl d Ar depth
.Op Fl Hp
.Oo Fl o Ar field Ns Oo , Ns Ar field Oc Ns … Oc
.Oo Fl s Ar source Ns Oo , Ns Ar source Oc Ns … Oc
.Oo Fl t Ar type Ns Oo , Ns Ar type Oc Ns … Oc
.Cm all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
.Oo Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns | Ns Ar bookmark Oc Ns …
.Nm zfs
.Cm inherit
.Op Fl rS
.Ar property Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns …
.
.Sh DESCRIPTION
.Bl -tag -width ""
.It Xo
.Nm zfs
.Cm set
.Ar property Ns = Ns Ar value Oo Ar property Ns = Ns Ar value Oc Ns …
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns …
.Xc
Only some properties can be edited.
See
.Xr zfsprops 8
for more information on what properties can be set and acceptable
values.
Numeric values can be specified as exact values, or in a human-readable form
with a suffix of
.Sy B , K , M , G , T , P , E , Z
.Po for bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes, exabytes,
or zettabytes, respectively
.Pc .
User properties can be set on snapshots.
For more information, see the
.Em User Properties
section of
.Xr zfsprops 8 .
.It Xo
.Nm zfs
.Cm get
.Op Fl r Ns | Ns Fl d Ar depth
.Op Fl Hp
.Oo Fl o Ar field Ns Oo , Ns Ar field Oc Ns … Oc
.Oo Fl s Ar source Ns Oo , Ns Ar source Oc Ns … Oc
.Oo Fl t Ar type Ns Oo , Ns Ar type Oc Ns … Oc
.Cm all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
.Oo Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns | Ns Ar bookmark Oc Ns …
.Xc
Displays properties for the given datasets.
If no datasets are specified, then the command displays properties for all
datasets on the system.
For each property, the following columns are displayed:
.Bl -tag -compact -offset 4n -width "property"
.It Sy name
Dataset name
.It Sy property
Property name
.It Sy value
Property value
.It Sy source
Property source
.Sy local , default , inherited , temporary , received , No or Sy - Pq none .
.El
.Pp
All columns are displayed by default, though this can be controlled by using the
.Fl o
option.
This command takes a comma-separated list of properties as described in the
.Sx Native Properties
and
.Sx User Properties
sections of
.Xr zfsprops 8 .
.Pp
The value
.Sy all
can be used to display all properties that apply to the given dataset's type
.Pq Sy filesystem , volume , snapshot , No or Sy bookmark .
.Bl -tag -width "-s source"
.It Fl H
Display output in a form more easily parsed by scripts.
Any headers are omitted, and fields are explicitly separated by a single tab
instead of an arbitrary amount of space.
.It Fl d Ar depth
Recursively display any children of the dataset, limiting the recursion to
.Ar depth .
A depth of
.Sy 1
will display only the dataset and its direct children.
.It Fl o Ar field
A comma-separated list of columns to display, defaults to
.Sy name , Ns Sy property , Ns Sy value , Ns Sy source .
.It Fl p
Display numbers in parsable
.Pq exact
values.
.It Fl r
Recursively display properties for any children.
.It Fl s Ar source
A comma-separated list of sources to display.
Those properties coming from a source other than those in this list are ignored.
Each source must be one of the following:
.Sy local , default , inherited , temporary , received , No or Sy none .
The default value is all sources.
.It Fl t Ar type
A comma-separated list of types to display, where
.Ar type
is one of
.Sy filesystem , snapshot , volume , bookmark , No or Sy all .
.El
.It Xo
.Nm zfs
.Cm inherit
.Op Fl rS
.Ar property Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot Ns …
.Xc
Clears the specified property, causing it to be inherited from an ancestor,
restored to default if no ancestor has the property set, or with the
.Fl S
option reverted to the received value if one exists.
See
.Xr zfsprops 8
for a listing of default values, and details on which properties can be
inherited.
.Bl -tag -width "-r"
.It Fl r
Recursively inherit the given property for all children.
.It Fl S
Revert the property to the received value if one exists; otherwise operate as
if the
.Fl S
option was not specified.
.El
.El
.
.Sh SEE ALSO
.Xr zfs-list 8 ,
.Xr zfsprops 8