| 摘要 |
A method includes, after data is stored at a data area of a memory device and error correction code (ECC) data corresponding to the data is stored at an ECC area corresponding to the data area, detecting a triggering condition. In response to detecting the triggering condition, the method also includes storing second ECC data in the ECC area, where the second ECC data includes redundant information for a first portion of the data area and storing third ECC data at the memory device. The third ECC data includes redundant information for a second portion of the data area.
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