| 摘要 |
Provided is a method for copying data as stored in at least one source storage entity, including copying data from a source storage entity into a destination storage entity and catering to at least one I/O operation directed toward the source storage entity during copying, the copying including reading at least one chunk of data in a predetermined order; and reading, responsive to a request, at least one relevant chunk containing data related to at least one I/O operation out of the predetermined order.
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