Resources Contact Us Home
Methods and apparatus for optimal journaling for continuous data replication

Image Number 17 for United States Patent #7516287.

Methods and systems for continuous data replication, including receiving a write transaction from a production site, the write transaction including raw data (RWNEW), a size indicator (SZ1) for the size of the raw data, and a start address (ADD1) for writing the raw data, copying the raw data (RWNEW) into a first journal data stream at a current journal address (JADD1), and copying the size indicator (SZ1), the start address (ADD1) and the journal address (JADD1) into a first journal meta-data stream.

  Recently Added Patents
Enhanced claims damage estimation using aggregate display
System and method for efficient association of a power outlet and device
Location-based method to specify ratio frequency spectrum rights
Stack and folding-typed electrode assembly and method for preparation of the same
Method and apparatus for analysis of histopathology images and its application to cancer diagnosis and grading
System for programming domestic appliances and method for programming assembly-line programmable domestic appliances
Method of improving sensitivity and interference rejection in wireless receivers
  Randomly Featured Patents
Input buffering and queue status-based output control for a digital traffic switch
Pull-type clutch release bearing assembly
Device for measuring distance and determining position from a reference point, and method of using same
Fuel filter
Systems, methods, and computer program products for establishing TCP connections using information from closed TCP connections in time-wait state
Biphenyl compounds useful as muscarinic receptor antagonists
Fuel saving engine driven welding-type device and method of use
Method and apparatus for assembling a fiber array
Fuel injection nozzles
Printing members having permeability-transition layers and related methods