LVM: Difference between revisions

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===Blivet===
===Blivet===
A great GUI tool for managing and creating LVs.  But sadly, doesn't exist or work past Rocky 8.  When creating a Volume Group BLIVET creates the Partition, Physical Volume, and Volume Group in one swift move.
A great GUI tool for managing and creating LVs.  But sadly, doesn't exist or work past Rocky 8.  When creating a Volume Group BLIVET creates the Partition, Physical Volume, and Volume Group in one swift move.
After creating a Volume Group, move on down to the LVM section (left column under physical drives) and create the Logical Volume and format it (create Labels too).


===Command Alternative===
===Command Alternative===


<pre>
====Show Existing LVM Setup====
<syntaxhighlight lang="bash">
# List Physical Volumes (PVs)
# List Physical Volumes (PVs)
pvs
pvs
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# List Logical Volumes (LVs)
# List Logical Volumes (LVs)
lvs
lvs
</pre>
</syntaxhighlight>


<br />
======Create a New LVM Structure======


====Create a New LVM Structure====
======1. Create a Physical Volume (PV) on <code>/dev/sdb</code>======
 
<syntaxhighlight lang="bash">
====1. Create a Physical Volume (PV) on <code>/dev/sdb</code>====
<pre>
pvcreate /dev/sdb
pvcreate /dev/sdb
</pre>
</syntaxhighlight>


===2. Create a Volume Group (VG) named <code>my_vg</code>===
======2. Create a Volume Group (VG) named <code>my_vg</code>======
<pre>
<syntaxhighlight lang="bash">
vgcreate my_vg /dev/sdb
vgcreate my_vg /dev/sdb
</pre>
</syntaxhighlight>


===3. Create a Logical Volume (LV) named <code>my_lv</code> (10GB size)===
======3. Create a Logical Volume (LV) named <code>my_lv</code> (10GB size)======
<pre>
<syntaxhighlight lang="bash">
lvcreate -L 10G -n my_lv my_vg
lvcreate -L 10G -n my_lv my_vg
</pre>
</syntaxhighlight>
 
<br />


==Show the Created LVM Components==
=====Show the Created LVM Components=====
<pre>
<syntaxhighlight lang="bash">
pvs  # Show Physical Volumes
pvs  # Show Physical Volumes
vgs  # Show Volume Groups
vgs  # Show Volume Groups
lvs  # Show Logical Volumes
lvs  # Show Logical Volumes
</pre>
</syntaxhighlight>