60 IBM ^ Cluster 1600 Managed by PSSP 3.5: What’s New
Figure 3-9 Reliable Scalable Cluster Technology peer domain (RPD)
This implementation also makes use of Topology Services and Group Services.
This means that you have all nodes and all the RSCT components in use, as
shown in Figure 3-1 on page 52.
3.2.4 Combination of Reliable Scalable Cluster Technology domains
You can have a combination of all three types of domains (stand-alone,
management domain, and RPD) together with the old RSCT structure as used by
PSSP and HACMP/ES.
In this section, we focus on one implementation only: the combination of a RSCT
peer domain and a RSCT managed domain. An example of such a combination
might be using CSM with RPD-based GPFS on some nodes.
Node Y is a RSCT management server. You have three nodes as managed
nodes (Node A, Node B, and Node C). Node B and Node C are also using GPFS
on RPD. Therefore, you are required to configure a peer domain for these two
nodes, as shown in Figure 3-10 on page 61.
RM RM RM
RM RM RM
Node B Node C
Appl Appl Appl
CtSec CtSec CtSec
RSCT peer domain (RPD)