Vgs: Difference between revisions

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=Internal=
=Internal=


* [[Linux_Logical_Volume_Management_Operations#Volume_Group_Operations|Logical Volume Management Operations]]
* [[Linux_Logical_Volume_Management_Operations#Volume_Group_Operations|Logical Volume Operations]]


=Overview=
=Overview=
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Options, displays various fields:
Options, displays various fields:


* '''vg_name''' - displays the [[Linux_Logical_Volume_Management_Concepts#Volume_Group_.28VG.29|volume group]] name.
{{Internal|Logical Volume Management Fields|Logical Volume Management Fields}}


==-S==
==-S==
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<pre>
<pre>
-S vg_name=${something},...
-S vg_name=${something},...
</pre>
==--units==
{{Internal|Logical Volume Management Units|Logical Volume Management Units}}
==--nosuffix==
Suppress the suffix on output sizes.  Use with [[#--units|--units]].
=Example=
==Free Space in the Volume Group==
The amount of free space in bytes on a volume group:
<pre>
vgs --noheadings --nosuffix --units b -o vg_free docker_vg
</pre>
</pre>

Latest revision as of 15:09, 23 May 2017

Internal

Overview

Command that provides information information about volume groups.

# vgs
  VG        #PV #LV #SN Attr   VSize   VFree
  docker_vg   1   0   0 wz--n- 508.00m 508.00m
  main_vg     1   1   0 wz--n-   7.00g      0

Options

--noheadings

Drops headers, useful when the output if mechanically processed.

-o

Options, displays various fields:

Logical Volume Management Fields

-S

Select: Display only rows that match selection criteria. The fields that can be used are listed in the -o section.

-S vg_name=${something},...

--units

Logical Volume Management Units

--nosuffix

Suppress the suffix on output sizes. Use with --units.

Example

Free Space in the Volume Group

The amount of free space in bytes on a volume group:

vgs --noheadings --nosuffix --units b -o vg_free docker_vg