====== Create And Remove Physical Volumes Assign Physical Volumes To Volume Groups And Create And Delete Logical Volumes ======

**General Information**

Working with logical volumes. 

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===== Partition Setup =====

Parition that is prepared for type LVM (8e00)
<code bash>
gdisk /dev/sdb
n
Partition number: 1
First sector: default
Last sector: +30G
Hex code type: 8e00
w
</code>

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===== Physical Volumes =====

Create physical volume
<code bash>
pvcreate /dev/sdb1
</code>

\\
Summary of physical volumes
<code bash>
pvs
</code>

\\
Full display of physical volumes
<code bash>
pvdisplay
</code>

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===== Volume Groups =====

Assign physical volume to new volume group
<code bash>
vgcreate vglocal /dev/sdb1
</code>

\\
Assign physical volume to existing volume group
<code bash>
vgextend vglocal /dev/sdb1
</code>

\\
Summary of volume groups
<code bash>
vgs
</code>

\\
Full display of volume groups
<code bash>
vgdisplay
</code>

----

===== Logical Volumes =====

Create logical volume
<code bash>
lvcreate --name lvhome --size 30G vglocal
</code>

\\
Summary of logical volumes
<code bash>
lvs
</code>

\\
Full display of logical volumes
<code bash>
vgdisplay
</code>

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===== File System and Mounting =====

Create filesystem and mount logical volume
<code bash>
mkfs -t xfs /dev/mapper/vglocal-lvhome
mount /dev/mapper/vglocal-lvhome /home
</code>

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===== Removals =====

Delete logical volume
<code bash>
lvremove /dev/mapper/vglocal-lvhome
</code>

\\
Remove a physical volume (/dev/sdb1) from a volume group (vglocal)
<code bash>
vgreduce vglocal /dev/sdb1
</code>

\\
Delete volume group
<code bash>
vgremove vglocal
</code>

\\
Remove physical volume
<code bash>
pvremove /dev/sdb1
</code>

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