A computing system includes an array of storage devices configured to store storage data and check data; and a storage engine, coupled to the array of storage devices, configured to: access the storage data, detect an erasure storage data, an erasure check data, or a combination thereof when the storage data is not accessible from the array of storage devices, and recover the storage data from the erasure storage data, the erasure check data, or the combination thereof by applying at least one of a block of check data including a slope from the check data.