Unify the classification of devices of the same type or hard disks with the same business logic in cluster nodes, customize device classes according to storage needs, and allocate different storage contents to different types of storage disks.
Adding device classes is not supported when the cluster type is Extend.
Enter Administrator.
In the left navigation bar, click Storage Management > Distributed Storage.
Click the Device Classes tab.
Click Add Device Class and configure the relevant parameters according to the following instructions.
| Parameter | Description |
|---|---|
| Name | The name of the device class. The following names cannot be used for the device class: hdd, ssd, nvme. |
| Storage Devices | To add storage devices to a device class, you can choose between the Selection Device and Input Device methods:
|
Map available hard disks to storage devices for usage and management.
Note: Once hard disks are added as storage devices, updating or removing them through the interface is not supported.
Enter Administrator.
In the left navigation bar, click Storage Management > Distributed Storage.
Click the Device Classes tab.
On the right side of the device class, click Add Device, and configure the relevant parameters according to the following instructions.
| Parameter | Description |
|---|---|
| Specified Disks | To add storage devices to a device class, you can choose between the Selection Device and Input Device methods:
|
Click Add.
Normal: The corresponding status of the storage device is IN+UP.
Abnormal: The corresponding status of the storage device is IN+DOWN.
Offline: The corresponding status of the storage device is OUT+UP.
Fault: The corresponding status of the storage device is OUT+DOWN.