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document vgroot puppet module and RHEL8 default partition sizes

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buchel_k
2022-07-22 16:08:53 +02:00
parent 9c8da903dd
commit 8c7db2bdf4
2 changed files with 17 additions and 2 deletions
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17
admin-guide/deployment/partitioning.rst
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@@ -12,7 +12,7 @@ device name of the disk which should be used instead::
bob node set-attr $FQDN system_disk=md126
The default partition schema is:
The default partition schema for RHEL 7 is:
- create one primary ``/boot`` partition of 1Gb;
- create the ``vg_root`` Volume Group that uses the rest of the disk;
@@ -22,6 +22,19 @@ The default partition schema is:
- ``lv_var_log`` of 2 Gb size for ``/var/log``;
- ``lv_tmp`` of 2 Gb size for ``/tmp``.
For RHEL 8 it is:
- create one primary ``/boot`` partition of 1Gb;
- create the ``vg_root`` Volume Group that uses the rest of the disk;
- on ``vg_root`` create the following logical volumes:
- ``lv_root`` of 14 Gb size for ``/root``;
- ``lv_home`` of 2 Gb size for ``/home``;
- ``lv_var`` of 8 Gb size for ``/var``;
- ``lv_var_log`` of 3 Gb size for ``/var/log``;
- ``lv_var_tmp`` of 2 Gb size for ``/var/log``;
- ``lv_tmp`` of 2 Gb size for ``/tmp``.
To increase these sizes, you might use :doc:`vgroot::path <../profiles/vgroot>` in Hiera.
Custom Partitioning
-------------------
@@ -34,3 +47,5 @@ The ``partitions`` attribute can take two values:
If it is not possible to download the given URL the system fails-back to manual at installation time.
Please also note that no check is done on the URL content.
Note that if you want to do add partitions outside of the on the system disk (while keeping above default partitioning for it), you might use Puppet and the `lvm Puppet module <https://forge.puppet.com/modules/puppetlabs/lvm>`_ instead to define the full LVM volume group.

2
admin-guide/puppet/profiles/vgroot.rst
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@@ -19,7 +19,7 @@ vgroot hash hiera_hash('vgroot::path')
``vgroot``
~~~~~~~~~~~
A hash containing as key the name of the volume group (``/dev/mapper/vg_root-$NAME``) to be adjusted and the volume size as value.
A hash containing as key the name of the volume group (``/dev/mapper/vg_root-$NAME``) to be adjusted and the volume size as value::
vgroot::path:
lv_root: 20GB