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Why is there only 2 node cluster support on ServiceGuard 10.03?

April 26, 2017cluster Node ServiceGuard support

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Why is there only 2 node cluster support on ServiceGuard 10.03?

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The configuration guide states that only two D-Class systems are supported in a cluster. However, this does not mean that only a 2 node cluster can be configured with D-Class systems. A 4 node cluster can be configured but only 2 D-Class systems can be configured into the cluster. The reason for this is that there were not enough testing resources to ensure the viability of a greater than 2 D-Class system cluster at release time. ServiceGuard 10.4 supports 4 D-Class systems in the cluster (but you may have up to 8 nodes in a cluster).