Efficient raid technique for reliable SSD

摘要

Provided is a control device for managing a plurality of memory channels driven through multichannel interleaving. The apparatus includes a stripe configuring unit for configuring a stripe according to a physical number of pages included in the plurality of memory channels, and a parity generating unit for generating parity data on the configured stripe.

主权项

1. A hardware controller device for managing multiple non-transitory memory channels driven through multichannel interleaving, the device comprising:
a stripe configuring unit to configure a stripe based on a physical page number of pages comprised in the memory channels; a parity generating unit to generate parity data with respect to the configured stripe; and a determining unit to determine whether a first critical time elapses after a most recently requested first page write request is processed, wherein, when the first critical time elapses after the first page write request is processed, the parity generating unit generates partial parity data with respect to a first physical page number associated with the first page write request.