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
Solid-state imaging device and electronic apparatus with antireflection structure
Assay for the diagnosis of flaviviral infection using antibodies with high affinity for NS1 protein of flavivirusi in hexameric form
Varying latency timers in a wireless communication system
Spin transition material
Antenna device
Network-based dynamic encoding
Display apparatus
  Randomly Featured Patents
Patio door tool
Intermediate transfer member
Modular, configurable, intelligent sensor system
Electrical connection box
Hydraulic elevator power assembly
Programmable matrix array with phase-change material
Variable flex hose
Shoe upper
Suspension device
Neutral switched shunt trip emergency gas panel