The bucket storage type applies to the entire bucket, indicating the default storage type for all objects within the bucket. You can configure the bucket storage type based on factors such as the frequency of data access, data availability requirements, and associated costs, to tailor it to your specific service needs.
The file storage type applies to individual files, indicating the storage type for a specific file. Files within a bucket can inherit the storage type of the bucket or have independent storage types. You can configure the file storage type based on factors such as the file importance and access frequency.