HP-UX Serviceguard Heartbeat Configuration Solutions
10
C
P
U
1
P
1
C
P
U
2
P
2
C
P
U
3
S
3
C
P
U
4
S
2
S
1
P
3
Number of interfaces greater than number of Processors
Figure 2
In the next picture (Figure 3), we have multiple heartbeat pairs with APA. The configuration
consists of:
• APA aggregate primary heartbeat P1 contains interfaces P1A and P1B. The standby
of S1 contains a single interface S1.
• APA aggregate primary heartbeat P2 contains interfaces P2A and P2B. The standby
APA aggregate of S2 contains interfaces S2A and S2B.
• APA aggregate primary heartbeat P3 contains interfaces P3A and P3B. The standby
of S3 contains a single interface S3.
Since we have 10 interfaces but only 4 CPUs, we will have overlap. We assign the primaries
to separate CPUs and as many standbys to separate CPUs. When we begin to overlap, we
assign the remaining standbys to CPUs which have their primary already assigned as shown.