Tencent Cloud’s Cloud Block Storage (CBS) supports the adjustment of storage disk types while business is in operating status. By adjusting the cloud disk type, you can respond flexibly to business requirements for storage performance at different times. For more information on preconditions, precautions, and specific operations of adjusting cloud disk types, see Adjusting cloud disk types.
Currently, adjustment of cloud disk types only supports upgrading elastic cloud disks. It does not support downgrading. Details are as follows: