docs/doc/source/planning/kubernetes/controller-disk-configurations-for-all-in-one-systems.rst
Ron Stone 3143d86b69 Openstack planning
Updates for patchset 2 review comments
Changed link depth of main Planning index and added some narrative guidance
Added planning/openstack as sibling of planning/kubernetes
Related additions to abbrevs.txt
Added max-workers substitution to accomodate StarlingX/vendor variants

Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: Ibff9af74ab3f2c00958eff0e33c91465f1dab6b4
Signed-off-by: Stone <ronald.stone@windriver.com>
2021-01-25 08:36:47 -05:00

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.. kll1552672476085
.. _controller-disk-configurations-for-all-in-one-systems:
=====================================================
Controller Disk Configurations for All-in-one Systems
=====================================================
For |prod| Simplex and Duplex Systems, the controller disk configuration is
highly flexible to support different system requirements for Cinder and
nova-local storage.
You can also change the disk configuration after installation to increase the
persistent volume claim or container-ephemeral storage.
.. _controller-disk-configurations-for-all-in-one-systems-table-h4n-rmg-3jb:
.. table:: Table 1. Disk Configurations for |prod| Simplex or Duplex systems
:widths: auto
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
| No. of Disks | Disk | BIOS Boot | Boot | Root | Platform File System Volume Group \(cgts-vg\) | Root Disk Unallocated Space | Ceph OSD \(PVCs\) | Notes |
+==============+==========+===========+===========+===========+===============================================+=============================+===================+=========================================================================+
| 1 | /dev/sda | | | | | | | Not supported |
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
| 2 | /dev/sda | /dev/sda1 | /dev/sda2 | /dev/sda3 | /dev/sda4 | Not allocated | Disk | Space left unallocated for future application use |
| | | | | | | | | |
| | /dev/sdb | | | | | | | AIO-SX [#fntarg1]_ \(replication = 1\); AIO-DX \(replication = 2\) |
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
| 2 | /dev/sda | /dev/sda1 | /dev/sda2 | /dev/sda3 | /dev/sda4 | /dev/sda5 \(cgts-vg\) | Disk | Space allocated to cgts-vg to allow filesystem expansion |
| | | | | | | | | |
| | /dev/sdb | | | | | | | AIO-SX \(replication = 1\); AIO-DX \(replication = 2\) |
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
| 3 | /dev/sda | /dev/sda1 | /dev/sda2 | /dev/sda3 | /dev/sda4 | Not allocated | Disk | Space left unallocated for future application use |
| | | | | | | | | |
| | /dev/sdb | | | | | | Disk | AIO-SX:superscript:`1:` \(replication = 2\); AIO-DX \(replication = 2\) |
| | | | | | | | | |
| | /dev/sdc | | | | | | | AIO-SX:superscript:`1:` \(replication = 2\); AIO-DX \(replication = 2\) |
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
| 3 | /dev/sda | /dev/sda1 | /dev/sda2 | /dev/sda3 | /dev/sda4 | /dev/sda5 \(cgts-vg\) | Disk | Space allocated to cgts-vg to allow filesystem expansion |
| | | | | | | | | |
| | /dev/sdb | | | | | | Disk | AIO-SX:superscript:`1:` \(replication = 2\); AIO-DX \(replication = 2\) |
| | | | | | | | | |
| | /dev/sdc | | | | | | | AIO-SX:superscript:`1:` \(replication = 2\); AIO-DX \(replication = 2\) |
+--------------+----------+-----------+-----------+-----------+-----------------------------------------------+-----------------------------+-------------------+-------------------------------------------------------------------------+
.. [#fntarg1] |AIO|-Simplex Ceph replication is disk-based.