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Sun™ Cluster Environment: Sun Cluster 2.2 by David Deeths, Ph.D. Joseph Bianco, Enrigue Vargas

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Data Service Methods

DSMs are a set of programs (C programs, shell scripts, Java programs, Perl scripts, etc.) developed to manage a highly available data service. These programs are automatically invoked by the SC2.2 data service framework when an application failure is detected, or when the application is started or stopped. A collection of DSMs make up what is known as a data service agent.

Note

SC2.2 DSMs are located in the /opt/SUNWcluster/etc/reconf/conf.d directory.

All DSMs supported by the SC2.2 framework address the specific needs of different applications. Some DSMs may not be applicable to specific applications; therefore, registration of these DSMs is not required. However, the START (or START_NET) and STOP (or STOP_NET) DSMs are ...

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