Querying a Disk

Procedure

1. Log in to the management console. For details, see Logging In to the Management Console.

2. Click and select the wanted region.

3. Use any of the following methods to display the disk list:
   • Method 1: Via the disk-residing DESS device
     1. Click and choose Dedicated Cloud > Dedicated Enterprise Storage to go to the DeC management console.
     2. In the row of the desired DESS device, click the number in the Number of Disks column to go to the Disks tab page.

        The disk tab page lists the disks of the DESS device.

   • Method 2: Via the disk-residing HyperMetro resource
     1. Click and choose Dedicated Cloud > Dedicated Enterprise Storage to go to the DeC management console.
     2. On the navigation pane on the left, choose Dedicated Enterprise Storage > HyperMetro to go to the HyperMetro resource list page.

        By default, HyperMetro resources in all statuses are listed.

     3. Use any of the following methods to display the disk list:
        • Method 1
          1. Click next to the resource name to view the HyperMetro resource details.
          2. In the row of the desired DESS device, click the number in the Number of Disks column to go to the Disks tab page.

             The disk tab page lists the disks of the HyperMetro resource.

        • Method 2
          1. In the row of the wanted HyperMetro resource, click the DESS device name in the Associated DESS Devices column to go to the device details page.
          2. In the row of the desired DESS device, click the number in the Number of Disks column to go to the Disks tab page.

             The disk tab page lists the disks of the DESS device.

   • Method 3: Via the disk list of the DESS device
     1. Click and choose Storage > Dedicated Enterprise Storage Service to go to DESS Console.
     2. On the navigation pane on the left, choose Disks. The disk list page is displayed.

4. Set the search criteria to look for the desired disk.
5. Click the name of the wanted disk.

   The disk details page is displayed.

6. View the disks created on the DESS device.

   Table 1 Parameter description

   Parameter	Description
   Name	Disk name
   ID	Disk ID
   HyperMetro Role	Indicates whether the disk is a preferred or non-preferred disk. This parameter is displayed only when the disk is a HyperMetro disk. Preferred: Allows users to mount, create snapshots, downgrade to common disks, and edit operations. Non-preferred: The system automatically performs operations according to the corresponding preferred disk. Users can edit and create snapshots for non-preferred disks, but cannot attach, delete, or degrade them.
   Remote Disk ID	ID of the peer disk in the HyperMetro disk pair. This parameter is displayed only when the disk is a HyperMetro disk.
   WWN	Disk WWN, the unique identifier of a SCSI disk
   Status	Disk status. Available The disk has been created and can be properly used. In use The disk is in use. Error This disk is incorrectly read. Contact the system administrator for help. Expansion failed Disk capacity expansion failed. Contact the system administrator for help. Deletion failed Disk deletion failed. Contact the system administrator for help. Creating The disk is being created. Deleting The disk is being deleted. Attaching This disk is being attached. Detaching This disk is being detached. Expanding The disk is being expanded. Rollback failed Disk rollback using a snapshot fails.
   AZ	Name of the AZ to which the disk-residing DESS device belongs
   Type	Type of the DESS device where the disk is located
   Storage Name/ID	Name and ID of the residing DESS device
   Capacity (GB)	Disk capacity, which cannot be larger than the available capacity of the DESS device NOTE: The value ranges from 10 GB to 64 TB.
   Created	Time when the disk was created
   Source Snapshot ID	ID of the snapshot that is used to create the disk NOTE: This parameter is available when you create the disk using a snapshot. Otherwise the value is --. You can click the source snapshot ID to go to the Snapshots tab page of the DESS device to view the snapshot information.

7. Click Mounting Point to view the list of BMSs to which the disk can be attached.

   The BMS list provides the name, status, flavor, image, private IP address, AZ, and available operations of each member BMS.

   NOTE:

   • Click Attach to attach the current disk to specified BMSs. Non-preferred disks cannot be attached separately.
   • Click Detach to detach a disk from specified BMSs. Non-preferred disks cannot be detached separately.

8. Click the Snapshots tab to view information about snapshots of the disk.
   Information about the snapshot includes the snapshot name or ID, status, creation time, and available operations.

   NOTE:

   • If the disk is a linked clone disk, the Snapshot tab page is not displayed.
   • Click Create Snapshot to create a snapshot for the disk.
   • Click Delete to delete an existing snapshot.