Storage Tab

The Storage tab on the Host Detail page presents storage details for a host.

The information is presented in one or more lists, as determined by the host type.

Disks

This list is presented for all host types. It lists all available hardware devices used for storage.

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For each device, the following information is included:

UUID

The unique identifier for the device.

Disk Info

The Linux device path.

Type

The type of storage device (HDD or SSD).

Size

The capacity of the device in MiB.

Available Size

The space available for partitioning.

RPM

The rotational speed of the device.

Serial ID

The device’s serial ID number.

Model

The manufacturer’s model for the device.

Partitions

For all host types, this list shows user-created disk partitions.

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UUID

The unique identifier for the device.

Partition Device Path

The Linux device path.

Size

The capacity of the partition in MiB.

Partition Type

The storage backing and the partition type, such as physical or logical.

Status

The usage status, such as Creating, Ready, Deleting, or In-use.

Actions

Controls for editing or deleting a partition, if it is not currently in use.

Physical Volumes

On controller and worker hosts, this list shows physical volumes (disk or partitions) assigned to local volume groups.

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Name

The Linux device name associated with the physical volume.

State

The availability of the physical volume.

Type

The device type used for the physical volume.

Disk or Partition UUID

The unique identifier for the disk or partition used to implement the physical volume.

Disk or Partition Device Path

The device used to implement the physical volume, identified by path.

LVM Volume Group name

The name of the local volume group to which the physical volume belongs.

Actions

Available actions that can be performed on the physical volume.

Storage Functions

This list is presented for storage hosts. It shows a list of logical storage functions (OSDs and Ceph journal functions) defined on available disks.

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For each volume, the following information is included:

UUID

The unique identifier for the storage volume.

Function

The type of function (osd for object storage, or journal for Ceph journal storage).

OSD ID

For an OSD function, the identity of the associated Ceph object storage daemon.

Disk UUID

The unique identifier for the disk associated with the storage volume.

Journal Path

For an OSD function, the path to the device where the associated Ceph journal is maintained.

Journal GiB

For an OSD function, the size of the associated Ceph journal.

Journal Location

For an OSD function, the unique identifier for the associated journal function, if applicable.