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
Mounting apparatus for PCI card
Headset systems and methods
Content display system
Switchable solvents and methods of use thereof
Power saving methods for wireless systems
Generation of interpolated samples for decision based decoding
Self-assembling surface coating
  Randomly Featured Patents
Pressure casting apparatus utilizing with two-part moulds
Device for holding paper currency, credit cards and the like
Dual in-line styling hair dryer
Integrated soil and fluid decontamination system
Method and apparatus for displaying a video signal on a computer system
Novel phenethylamine derivatives and processes for preparing same
Electrical apparatus and cooling system
Bottle opener sandal
Separator for bottle packaging
Contactor, probe card, and method of mounting contactor