mirror_zfs/man/man8/zpool-get.8
Umer Saleem eb2b824bde JSON output support for zpool get
This commit adds support for zpool get command to output the list of
properties for ZFS Pools and VDEVS in JSON format using '-j' option.
Man page for zpool get is updated to include '-j' option.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Signed-off-by: Umer Saleem <usaleem@ixsystems.com>
Closes #16217
2024-08-06 12:47:00 -07:00

205 lines
5.0 KiB
Groff

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.Dd August 9, 2019
.Dt ZPOOL-GET 8
.Os
.
.Sh NAME
.Nm zpool-get
.Nd retrieve properties of ZFS storage pools
.Sh SYNOPSIS
.Nm zpool
.Cm get
.Op Fl Hp
.Op Fl j Op Ar --json-int, --json-pool-key-guid
.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns
.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns
.Oo Ar pool Oc Ns
.
.Nm zpool
.Cm get
.Op Fl Hp
.Op Fl j Op Ar --json-int
.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns
.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns
.Ar pool
.Oo Sy all-vdevs Ns | Ns
.Ar vdev Oc Ns
.
.Nm zpool
.Cm set
.Ar property Ns = Ns Ar value
.Ar pool
.
.Nm zpool
.Cm set
.Ar property Ns = Ns Ar value
.Ar pool
.Ar vdev
.
.Sh DESCRIPTION
.Bl -tag -width Ds
.It Xo
.Nm zpool
.Cm get
.Op Fl Hp
.Op Fl j Op Ar --json-int, --json-pool-key-guid
.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns
.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns
.Oo Ar pool Oc Ns
.Xc
Retrieves the given list of properties
.Po
or all properties if
.Sy all
is used
.Pc
for the specified storage pool(s).
These properties are displayed with the following fields:
.Bl -tag -compact -offset Ds -width "property"
.It Sy name
Name of storage pool.
.It Sy property
Property name.
.It Sy value
Property value.
.It Sy source
Property source, either
.Sy default No or Sy local .
.El
.Pp
See the
.Xr zpoolprops 7
manual page for more information on the available pool properties.
.Bl -tag -compact -offset Ds -width "-o field"
.It Fl j Op Ar --json-int, --json-pool-key-guid
Display the list of properties in JSON format.
Specify
.Sy --json-int
to display the numbers in integer format instead of strings in JSON output.
Specify
.Sy --json-pool-key-guid
to set pool GUID as key for pool objects instead of pool name.
.It Fl H
Scripted mode.
Do not display headers, and separate fields by a single tab instead of arbitrary
space.
.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 (exact) values.
.El
.It Xo
.Nm zpool
.Cm get
.Op Fl j Op Ar --json-int
.Op Fl Hp
.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns
.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns
.Ar pool
.Oo Sy all-vdevs Ns | Ns
.Ar vdev Oc Ns
.Xc
Retrieves the given list of properties
.Po
or all properties if
.Sy all
is used
.Pc
for the specified vdevs
.Po
or all vdevs if
.Sy all-vdevs
is used
.Pc
in the specified pool.
These properties are displayed with the following fields:
.Bl -tag -compact -offset Ds -width "property"
.It Sy name
Name of vdev.
.It Sy property
Property name.
.It Sy value
Property value.
.It Sy source
Property source, either
.Sy default No or Sy local .
.El
.Pp
See the
.Xr vdevprops 7
manual page for more information on the available pool properties.
.Bl -tag -compact -offset Ds -width "-o field"
.It Fl j Op Ar --json-int
Display the list of properties in JSON format.
Specify
.Sy --json-int
to display the numbers in integer format instead of strings in JSON output.
.It Fl H
Scripted mode.
Do not display headers, and separate fields by a single tab instead of arbitrary
space.
.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 (exact) values.
.El
.It Xo
.Nm zpool
.Cm set
.Ar property Ns = Ns Ar value
.Ar pool
.Xc
Sets the given property on the specified pool.
See the
.Xr zpoolprops 7
manual page for more information on what properties can be set and acceptable
values.
.It Xo
.Nm zpool
.Cm set
.Ar property Ns = Ns Ar value
.Ar pool
.Ar vdev
.Xc
Sets the given property on the specified vdev in the specified pool.
See the
.Xr vdevprops 7
manual page for more information on what properties can be set and acceptable
values.
.El
.
.Sh SEE ALSO
.Xr vdevprops 7 ,
.Xr zpool-features 7 ,
.Xr zpoolprops 7 ,
.Xr zpool-list 8