Data Availability
Architecture Design
Data is the key to
recoverability, but data readiness is no longer a simple matter of backing up disks to
off-site tape storage. WTGs Data Availability Architecture starts with a
comprehensive analysis of all five aspects of data availability and results in specific
recommendations for state-of-the-art data availability for contingency planning projects
ranging from single applications to mainframe and open platform
environments. Data selection ensures that all critical datasets and databases are identified
at the application level and that all redundancies and batch propagation are eliminated.
Data accessibility, the length of time it takes to make data re-available, is examined and
corrective strategies applied where needed. Strategies are implemented to control data
synchronization (especially cross-application and cross-platform synchronization) to a
logical point in time. Data integrity is addressed through strategies that minimize
exposure to lost or corrupted data due to backup and transmission techniques. And finally,
data protection is enhanced through strategies for archiving, off-site storage, rotation
and data backup. The latest technologies to physically backup and storage of data are
examined for applicability, including the current storage, RAID, HSM, SAN and NAS
technologies. WTGs data availability architectures start with the clients
business processes and factor 14 distinct data readiness, integrity and protection
technologies into the continuity equation to provide optimal levels of data availability
based on underlying business process requirements. All recommendations take into
consideration available processing windows, process quiesce abilities, available hardware,
and restoration timeframes in conjunction with RTO and RPO requirements. |