公开(公告)号：US20210132849A1

公开(公告)日：2021-05-06

申请号：US17144999

申请日：2021-01-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Feng XU ,  Yu ZHANG ,  Ling LIN ,  Chen LING ,  Lei HUANG

IPC: G06F3/06

Abstract: A data migration method and an apparatus are provided. The method is as follows: sending, by a first storage system, a location update request to a location server, where the location update request is used to indicate the location server to update location information of a first bucket from being located in a second storage system to being located in the first storage system (402); migrating data (405) in a first bucket from the second storage system; receiving a data access request, where the data access request is used to access the data (406) in the first bucket; and determining based on a type of the data access request and a migration status of the data, that the first storage system or the second storage system processes the data access request (407).