Articles & Content


HA Architectures for DB2 Using Open Source Virtualization and Networking Technologies (D10)

Topic: 2008 EU

Subtopic: DB2 for LUW

DATE: 2008-10-15 (13:30 - 14:30)
SPEAKERS: Josep Vidal (Universitat de ValĖncia)

Nowadays SLA is forcing organizations to deploy HA architectures in order to avoid downtimes. With the recent developments in virtualizacion and networking technologies, it is possible to deploy geographical distributed architectures with automatic failover that have low downtimes due to contingencies. The UV has deployed variations (active/passive, active/active) of such architectures in order to guarantee good response times and maximize availability for its DB2 UDB based information systems. What we present here, is a geographical distributed architecture where physical resources are virtualized and replicated over IP to remote sites. The key idea behind this architecture is to isolate DB2 based information systems from the physical resources needed to run them. By presenting physical resources to DB2 based information systems in a manner independent of its physical location, we can execute information systems on those physical resources available in a determinate moment.

EXP. LEVEL: Advanced


To deploy HA architectures for DB2 based information systems, which automatically detects and recovers from errors of the runtime (HW, SW) needed to run DB2 applications

To configure DB2 for High Availability and fast recovery (AUTORESTART=ON, LOGRETAIN=ON, DB2_USE_PARALLEL_RECOVERY=YES , etc ...)

To select the best HA architecture for DB2 databases (active/passive, active/active, single system image) that fits with the business's SLA

To automate major steps involved in the detection and recovery from errors of a determinate component of DB2 runtime

To learn how to configure & use open-source tools (Xen, Heartbeat, DRBD, openssi) needed to implement high availability architectures

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