| 摘要 |
A method and system are provided for back-up and restoration of data between volatile and flash memory. The method for controlling back-up of data to flash memory includes: organizing back-up data into stripes, wherein a stripe is a set of pages across all available flash memory devices, dies and planes which have the same block and page address; maintaining metadata indicating locations of known bad planes and grown bad planes; using the metadata when writing back-up data to determine which planes to send cache program commands to; and sending cache program commands to three or more stripes of data simultaneously including providing an indication in the stripe that the stripe is handling a cache program command. If a grown bad block is encountered whilst saving a stripe of data, the stripe of data is re-written to the next available page address avoiding the grown bad block. |
