Clustered DSDs
In the clustering world, DSDs qualify as independent servers and can be clustered to enhance hardware availability for mission-critical applications. The following are four recommended failover permutations of DSD clustering through use of the Sun Cluster 2.2 software ranging from the highest to the lowest availability level (see FIGURE 8-4):
Figure 8-4. DSD Clustering Options
Clustering of two DSDs in two separate Starfire cabinets each with many DSDs. This configuration is applicable to servers handling customer orders and money transactions that are intolerant of system down time
Clustering of two DSDs in two separate Starfire ...
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