Vgs: Difference between revisions
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=Internal= | =Internal= | ||
* [[Linux_Logical_Volume_Management_Operations# | * [[Linux_Logical_Volume_Management_Operations#Volume_Group_Operations|Logical Volume Operations]] | ||
=Overview= | =Overview= | ||
Command that provides information information about [[Linux_Logical_Volume_Management_Concepts#Volume_Group_.28VG.29|volume groups]]. | Command that provides information information about [[Linux_Logical_Volume_Management_Concepts#Volume_Group_.28VG.29|volume groups]]. | ||
<pre> | |||
# 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 | |||
</pre> | |||
=Options= | =Options= | ||
| Line 17: | Line 24: | ||
Options, displays various fields: | Options, displays various fields: | ||
{{Internal|Logical Volume Management 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|-o]] section. | |||
<pre> | |||
-S vg_name=${something},... | |||
</pre> | |||
==--units== | |||
{{Internal|Logical Volume Management Units|Logical Volume Management Units}} | |||
==--nosuffix== | |||
Suppress the suffix on output sizes. Use with [[#--units|--units]]. | |||
=Example= | |||
==Free Space in the Volume Group== | |||
The amount of free space in bytes on a volume group: | |||
<pre> | |||
vgs --noheadings --nosuffix --units b -o vg_free docker_vg | |||
</pre> | |||
Latest revision as of 15:09, 23 May 2017
Internal
Overview
Command that provides information information about volume groups.
# vgs VG #PV #LV #SN Attr VSize VFree docker_vg 1 0 0 wz--n- 508.00m 508.00m main_vg 1 1 0 wz--n- 7.00g 0
Options
--noheadings
Drops headers, useful when the output if mechanically processed.
-o
Options, displays various fields:
-S
Select: Display only rows that match selection criteria. The fields that can be used are listed in the -o section.
-S vg_name=${something},...
--units
--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