Basic HTML version of Foils prepared 7 October 97

Foil 22 Parallel Server Option

From Second Part of RDBMS Discussion ARL Database Tutorial -- February 98. by Gang Cheng Marek Podgorny Chao-Wei Ou


Multiple Instances on different nodes share a single physical database
The data is accessed by all nodes through a parallel file subsystem
All instances have common data & controls files and their individual log files
All instances can simultaneously execute transactions against the single database, and each instance can have multiple users executing transactions
Data is kept consistent using PCM Technology
Implemented by the Distributed Lock Manager



© on Mon Oct 13 1997