Block-level data storage using an outstanding write list

摘要

A secure storage appliance is disclosed, along with methods of storing and reading data in a secure storage network. The secure storage appliance is configured to present to a client a virtual disk, the virtual disk mapped to the plurality of physical storage devices. The secure storage appliance is capable of executing program instructions configured to generate a plurality of secondary blocks of data by performing splitting and encrypting operations on a block of data received from the client for storage on the virtual disk and reconstitute the block of data from at least a portion of the plurality of secondary blocks of data stored in shares on corresponding physical storage devices in response to a request from the client.