Help Center> Dedicated Distributed Storage Service> FAQs> What Are the Restrictions on Attaching a Disk to an ECS?
Updated on 2022-02-21 GMT+08:00

What Are the Restrictions on Attaching a Disk to an ECS?

  • The disk and the target ECS must be located in the same AZ.
  • The target ECS must be in Running or Stopped state.
  • A frozen disk cannot be attached to an ECS.
  • For ECSs charged in yearly/monthly mode:

    If you detach the system disk purchased when you buy an ECS and want to continue using it as a system disk, you can only attach it to an ECS that has the same specifications as those of the original ECS. If you want to use it as a data disk, you can attach it to any ECS.

    If you detach the non-shared data disk purchased when you create an ECS and want to attach it again, you can only attach it to the original ECS as a data disk.