13189402

Paragraph Number

232

By using the position of the data set in a sequence of data sets and other known information, the data set source module 422, in one embodiment, can determine the grouping of storage cells from which the data set was read without using an identifier or other external information. Identifying the die, chip, channel, PEB, or other grouping of storage cells that exhibit the read bias difference permits prompt remedial actions to be taken such as changing the read voltage threshold, logical swapping of the grouping of storage cells with a reserved grouping, and other forms of remedial action.

Added by DJM 3 2021