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

Building a Metropolitan Cluster Using MetroCluster/CA
Designing a Disaster Tolerant Architecture for use with MetroCluster/CA
Chapter 382
* Cluster can be manually started with the remaining node.
data center A, then arbitrator
1, then node 3
2 of 3 (67%) pkg A, B, and C
switch
arbitrator 1, then data center
A
3 of 5 (60%) pkg A and B switch
to data center B
node 3, then data center A 3 of 5 (60%) pkg A and B switch
to data center B
data center B 4 of 6 (67%) pkg C and D switch
to data center A
third location 4 of 6 (67%) no change
Table 3-5 Failure Scenarios with Two Arbitrators (Continued)
Failure Quorum Result