Patent ID: 7254672
Filing Date: 2007-08-07
Classification: G06F

Abstract:
1. A method in a data processing system, said method comprising: receiving a first type of request from a disk-based file system to access a first type of storage device that permits direct access reads and writes and implements update-in-place data modification wherein individual blocks of data stored in said first type of storage device can be modified individually without invalidating data stored in any other blocks in said first type of storage device; translating said first type of request into a second type of request, said second type of request being a request for a second type of storage device; said second type of storage device operating in append-only mode, said second type of storage device not permitting update-in-place data modification; forwarding said second type of request to a storage system, said storage system being designed to be said second type of storage device; and modifying said storage system to permit update-in-place data modification.