ServerNet Cluster Manual

Upgrading a ServerNet Cluster
ServerNet Cluster Manual—520575-003
4-7
Task 2: Choose the Topology That You Want to
Upgrade To
Table 4-5 compares the topologies.
Table 4-5. Comparison of ServerNet Cluster Topologies
Topology
Star Split-Star Tri-Star
Introduced With ServerNet
Cluster Release
Release 1 Release 2 Release 3
Introduced With RVU G06.09 G06.12 G06.14
Supported on RVUs G06.09 and
later G-series
RVUs
G06.09
1
G06.10
1
G06.11
1
G06.12
G06.13
G06.14
G06.15
G06.16
G06.13
1
G06.14
G06.15
G06.16
Maximum Number of Nodes
Supported
816 24
Cluster Switches Per Fabric 1 1 or 2 1, 2, or 3
Total Cluster Switches 2 2 or 4 2, 4, or 6
Star Groups
2
1 1 or 2 1, 2, or 3
1
SPRs are required for support on this RVU. See Table 4-6 on page 4-8.
2
A star group consists of an X and a Y cluster switch and up to eight connected ServerNet nodes. A split-star
topology consists of two star groups. A tri-star topology consists of three star groups.