hp mc/serviceguard for Linux configuration guide for HP Netservers

Figure 2 Minimum Supported Configuration with Two Data Centers
N
ode
A
N
ode
B
N
ode
D
N
ode
C
F
C
Hub/Switch
F
C
Hub/Switch
F
C
Hub/Switch
F
C
Hub/Switch
N
etwork
Switch
N
etwork
Switch
N
etwork
Switch
N
etwork
Switch
XP Disk
Array
XP Disk
Array
DWDM
DWDM
Maximum distance 100 kilometers
Primary Data Center 1
Primary Data Center 2
QS
Clients
Clients
Cluster Heartbeat,
Client network,
CA connections
Redundant DWDM
Links, routed
differently
Channel
Bonding
Dedicated
Heartbeat
link
N
etwork
Switch
N
etwork
Switch
Dedicated
Heartbeat
link
In the example above, the Quorum Server is in data center 1. Note that if data center 1 is down, the cluster
nodes in data center 2 will not be able to form a new cluster. Therefore, this configuration is not
recommended.
Hardware Requirements
System Platform for cluster nodes
IA-32 Server
• LC2000r
• LP2000r
• LT6000r
• LXr8500
• TC4100
System Platform for Quorum server
IA-32 Servers
• LP1000r
• LC2000r
• LP2000r