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documentation_complete: true
title: 'Disk Partitioning'
description: |-
To ensure separation and protection of data, there
are top-level system directories which should be placed on their
own physical partition or logical volume. The installer's default
partitioning scheme creates separate logical volumes for
<tt>/</tt>, <tt>/boot</tt>, and <tt>swap</tt>.
<ul>
<li>If starting with any of the default layouts, check the box to
\"Review and modify partitioning.\" This allows for the easy creation
of additional logical volumes inside the volume group already
created, though it may require making <tt>/</tt>'s logical volume smaller to
create space. In general, using logical volumes is preferable to
using partitions because they can be more easily adjusted
later.</li>
<li>If creating a custom layout, create the partitions mentioned in
the previous paragraph (which the installer will require anyway),
as well as separate ones described in the following sections.</li>
</ul>
If a system has already been installed, and the default
partitioning
scheme was used, it is possible but nontrivial to
modify it to create separate logical volumes for the directories
listed above. The Logical Volume Manager (LVM) makes this possible.
{{% if 'ubuntu' in product %}}
platform: not container
{{% else %}}
platform: not container and not bootc
{{% endif %}}
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