HP Tc4100 hp mc/serviceguard for Linux configuration guide for HP Netservers - Page 20

Minimum Supported Configuration with Two Data Centers, Hardware Requirements, System

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Figure 2 Minimum Supported Configuration with Two Data Centers Primary Data Center 1 QS Clients Network Switch Network Switch Node A Node B FC Hub/Switch FC Hub/Switch Channel Bonding Dedicated Heartbeat link Network Switch DWDM Cluster Heartbeat, Client network, CA connections Primary Data Center 2 Dedicated Heartbeat link Clients Network Switch Network Switch Network Switch DWDM Node C Node D Redundant DWDM Links, routed differently FC Hub/Switch FC Hub/Switch XP Disk Array Maximum distance 100 kilometers XP Disk Array 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

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Figure 2 Minimum Supported Configuration with Two Data Centers
Node
A
Node
B
Node
D
Node
C
FC
Hub/Switch
FC
Hub/Switch
FC
Hub/Switch
FC
Hub/Switch
Network
Switch
Network
Switch
Network
Switch
Network
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
Network
Switch
Network
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