Kernel Infrastructure
Most traditional clusters, such as Sun Cluster 2.2 and other competing clustering products, relied on layering collections of compiled programs and shell scripts on top of a plain operating system. Sun Cluster 3.0 offers enhanced functionality because it is tightly integrated with the Solaris 8 operating environment and the system interconnects. The following sections highlight the problems the Sun hardware engineers and software developers had to overcome and extols the benefits of their solutions. These sections contain an overview of how participating cluster nodes interact, an overview of the supporting kernel framework, and a description of replica management. FIGURE 3-2 shows a basic Sun Cluster 3.0 system hardware ...
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