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===


==== Show Existing LVM Setup ====
====Show Existing LVM Setup====
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
# List Physical Volumes (PVs)
# List Physical Volumes (PVs)
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</syntaxhighlight>
</syntaxhighlight>


====== Create a New LVM Structure ======
======Create a New LVM Structure======


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


====== 2. Create a Volume Group (VG) named <code>my_vg</code> ======
======2. Create a Volume Group (VG) named <code>my_vg</code>======
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
vgcreate my_vg /dev/sdb
vgcreate my_vg /dev/sdb
</syntaxhighlight>
</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)======
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
lvcreate -L 10G -n my_lv my_vg
lvcreate -L 10G -n my_lv my_vg
</syntaxhighlight>
</syntaxhighlight>


===== Show the Created LVM Components =====
=====Show the Created LVM Components=====
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
pvs  # Show Physical Volumes
pvs  # Show Physical Volumes