Expanding Capacity for an Available EVS Disk

Scenarios

This section describes how to expand the capacity of an Available EVS disk on the management console. The Available status indicates that the disk has not been attached to any server.

Constraints

• Disk capacity can be expanded, but cannot be reduced.
• A shared disk in the In-use state cannot be expanded. To expand such a disk, you must detach it from all its servers, wait until its status changes to Available, and then expand its capacity.

Prerequisites

Disk data has been backed up using CBR or snapshots. For details about backups, see Managing EVS Backups. For details about snapshots, see Creating a Snapshot.

Procedure

1. Log in to the management console.
2. Under Storage, click Elastic Volume Service.

   The disk list page is displayed.

3. In the disk list, locate the row that contains the target disk and click Expand Capacity in the Operation column.

   The expansion page is displayed.

4. Set the New Capacity parameter and click Next.
5. On the Details page, check the disk details.
   • Click Submit to start the expansion.
   • Click Previous to change the settings.

   After the configuration is submitted, go back to the disk list page.

6. In the disk list, view the capacity of the target disk.

   When the disk status changes from Expanding to Available and the disk capacity increases, the expansion has succeeded.

   

   When the status of a disk is Expanding, you are not allowed to modify the specifications of the ECS where the disk is attached.

7. Attach the disk to the server. For details, see Attach an EVS Disk.
8. Log in to the server and extend the partition and file system after the disk has been expanded on the console, because previous steps only enlarge the disk space.

   The operations vary depending on the server OS.

   • In Windows, see Extending Disk Partitions and File Systems (Windows Server 2008).
   • In Linux, see Partition and File System Extension Preparations (Linux).