Designing Disaster Tolerant High Availability Clusters, 10th Edition, March 2003 (B7660-90013)

Building an Extended Distance Cluster Using MC/ServiceGuard
Two Data Centers and Third Location Architectures
Chapter 260
The following table shows the possible configurations using a three data
center architecture.
Table 2-2 Supported System and Data Center Combinations
Data Center
A
Data Center
B
Data Center
C
ServiceGuard
Version
1 1 1 Arbitrator
Node
A.11.13 or later
11Quorum
Server System
A.11.13 or later
2 1 2 Arbitrator
Nodes
A.11.13 or later
1 2 2 Arbitrator
Nodes
A.11.13 or later
2 2 1 Arbitrator
Node
A.11.13 or later
2 2 2* Arbitrator
Nodes
A. 11.13 or
later
22Quorum
Server System
A. 11.13 or
later
3 3 1 Arbitrator
Node
A. 11.13 or
later
3 3 2* Arbitrator
Nodes
A. 11.13 or
later
33Quorum
Server System
A.11.13 or later
4 4 1 Arbitrator
Node
A.11.13 or later
4 4 2* Arbitrator
Nodes
A.11.13 or later
44Quorum
Server System
A.11.13 or later