HP Serviceguard Extension for RAC (SGeRAC) Larger Clusters, Up to Four Nodes with Scsi Storage

Figure 4 After Node Failure

In the above figure, pkg1 and pkg2 are not instance packages. They are shown to illustrate the movement of the packages.

Larger Clusters

Serviceguard Extension for RAC supports clusters of up to 16 nodes. The actual cluster size is limited by the type of storage and the type of volume manager used.

Up to Four Nodes with SCSI Storage

You can configure up to four nodes using a shared F/W SCSI bus; for more than four nodes, FibreChannel must be used. An example of a four-node RAC cluster appears in the following figure.

20 Introduction to Serviceguard Extension for RAC