The default host profile requires three storage devices in the following strict order:
This device contains boot data and operating system data. It
is partitioned using the GUID Partition Table (GPT) labels.
The root file system is an ext4 file system
created on top of an LVM logical volume.
For a detailed layout, refer to the table below.
This device contains an ext4 file system with directories mounted
as persistent volumes to Kubernetes. These volumes are used by
the Mirantis Container Cloud services to store its data,
including monitoring and identity databases.
This device is used as a Ceph datastore or Ceph OSD.
The following table summarizes the default configuration of the host system storage set up by the Container Cloud bare metal management.
Device/partition |
Name/Mount point |
Recommended size, GB |
Description |
|---|---|---|---|
|
|
4 MiB |
The mandatory GRUB boot partition required for non-UEFI systems. |
|
|
0.2 GiB |
The boot partition required for the UEFI boot mode. |
|
|
64 MiB |
The mandatory partition for the |
|
|
100% of the remaining free space in the LVM volume group |
The main LVM physical volume that is used to create the root file system. |
|
|
100% of the remaining free space in the LVM volume group |
The LVM physical volume that is used to create the file system
for |
|
|
100% of the remaining free space in the LVM volume group |
Clean raw disk that will be used for the Ceph storage back end. |
If required, you can customize the default host storage configuration. For details, see Create a custom host profile.