ServerNet Cluster Manual

Upgrading a ServerNet Cluster
ServerNet Cluster Manual—520575-003
4-16
Task 4: Select an Upgrade Path
Table 4-12 lists the supported upgrade paths for clusters using the tri-star topology.
Table 4-12. Supported Upgrade Paths for Clusters Using the Tri-Star Topology
A tri-star topology
using . . .
Can be upgraded to . . .
To upgrade . . .Topology
Cluster
Switches
Per Fabric
One cluster switch per
fabric
Tri-star 2 Merge the cluster with another
cluster using one switch per fabric.
Refer to Merging Clusters to
Create a Tri-Star Topology on
page 4-68.
3 Merge the cluster with two star
topologies or a split-star topology.
Refer to Merging Clusters to
Create a Tri-Star Topology on
page 4-68.
Two cluster switches per
fabric
Tri-star 3 Merge the cluster with another
cluster using one switch per fabric.
Refer to Merging Clusters to
Create a Tri-Star Topology on
page 4-68.
Three cluster switches per
fabric
N.A. N.A. No upgrade path is currently
supported for a tri-star topology
having three cluster switches per
fabric. You can add ServerNet
nodes up to a maximum of 24, but
you cannot add cluster switches.