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
Methods and systems for presenting an inhalation experience
Distortion compensation device, distortion compensation method, and radio transmitter
Data security for dynamic random access memory using body bias to clear data at power-up
Image processing device, image forming apparatus, and non-transitory computer readable recording medium
Case for electronic device
Centralized behavioral information system
Package for product
  Randomly Featured Patents
Reactive power compensation to minimize step voltage changes and transients
Automatic color calibration of an image sensor
Scaevola plant named `Blue Shamrock`
Nail enamels
Rotating coiler cleaner
Reversible direction drive mechanism for toy vehicles
Package for laundry scent additive
Sulfur dioxide oxidation catalyst and process
Compounds and methods for treating hyperproliferative skin disease