METHOD AND APPARATUS FOR DATA ACCESS

摘要

The present invention discloses a data access method and apparatus, and belongs to the field of information technologies. The method includes: acquiring a data read request that is for a first disk group and carries a read address; determining a first-stripe location range of the first disk group according to the read address; sequentially reading data from first stripes within the first-stripe location range; setting a data reading result for a first stripe whose data is not successfully read to preset padding data, and continuing to read data from a next first stripe until data is read from all the first stripes; and returning a data reading result for each first stripe. In the present invention, a data reading result for a first stripe whose data is not successfully read is set to preset padding data, data reading proceeds to a next first stripe until data is read from all first stripes, and a data reading result for each first stripe is returned, which reduces data loss and shortens access interruption time when data is not successfully read.